SB-2000 and SB-2000-P Balance Control
Operation Manual
LL-2000

Rev. 1.5a

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Operation and Specification Manualfor SB-2000 and SB-2000-P Manual Balance Controls

SB-2000(Dedicated Installation Version)
andSB-2000-P(Portable Version)

LL- 2000
Manual Revision # 1.5a
© 2020 Accretech SBS, Inc.

Corporate Offices
2451 NW 28th Avenue
Portland OR 97210 USA
sales@accretechSBS.com
Tel: +1 503.595.4270
Fax: +1 503.227.5040

https://accretechsbs.com/

SBS System – SB-2000 Operation

SB-2000 and SB-2000-P
This manual describes the operation and use of the both SB-2000 and SB-2000-P SBS Manual
Balance Control. Operation of both versions of the product is virtually identical, with the two
configurations covering the needs of either dedicated installation on a single machine, or
portable operation on a variety of machines.

Benefits of both SBS SB-2000 and SB-2000-P Balance Control:
Feature Set
Allows single or 2-plane manual balance operation
Enhanced digital electronic design with increased operating lifeand reliability
Easy to install and operate
Increases throughput by saving setup time
Improves part quality
Extends life for grinding wheels, dressing wheels and spindle
bearings
Backed by world-class SBS customer service
Icon based user interface for international operation
Provides for plotting and saving vibration spectrum information
USB port for output of vibration plots and data
Supports dedicated single machine installation
Proximity RPM sensor triggers on rotating feature
Screw mount to machine panel
CNC/PLC connection allows machine integration
Uses standard SBS cables (same as SB-5500)
Supports portable use (move from machine to machine)
Optical RPM sensor for easy portability
Magnetic mount of control to any convenient machine surface
Uses multiple operation cable connections
Available as part of a complete kit, including carry case

SBS System – SB-2000 Operation

SB-2000

SB-2000-P

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Quick Start Guide for Balancing
1)

Calibrate the RPM sensor so the spindle speed is reported on the main screen.

2)

Press
button to setup controller for number of planes and vibration units. Pressagain. Edit the Limit, Tolerance and Critical vibration values, balancing method andscale direction. Each plane has a separate setup screen. Press
after configuring
the first plane to access the second plane setup screen, if needed, or to return to themain screen.

3)

Press

to start a balance cycle. The screens below are for single point balancing.

Stop
SpindlePlace Weights

Start
SpindleMeasure Vibration

InitialPhase(Step 1)

Test
Phase
(Step 2)
Test mass value andunits can be edited.

Solution
Phase(Step 3)
Toggles solution
between Additive (+) and
Absolute (=).

If the resulting vibration is above theBalance Limit, a new solution will be
provided to correct the residual
vibration. If below, the process ends.

Additive Solution (+) leaves all existing weights and adds only what is shown.
Absolute Solution (=) removes all existing weights then adds what is shown.
If the balance gets worse after the solution phase, check that the scale direction setting is correct.

SBS System – SB-2000 Operation

Table of Contents
System Purpose ................................................................................................................................... 1
Operator Safety Summary................................................................................................................... 1
Balance Theory .................................................................................................................................... 2
Manual Balance Overview ................................................................................................................... 2
Environmental Considerations........................................................................................................... 2
Other Sources of Vibration ............................................................................................................................... 2
Machine Condition ............................................................................................................................................ 3

System Installation .............................................................................................................................. 4
Control Unit ....................................................................................................................................................... 4
System Connections, SB-2000 model .............................................................................................................. 4
System Connections, SB-2000-P model .......................................................................................................... 5
Vibration Sensor Location ................................................................................................................................ 6
RPM Sensor ..................................................................................................................................................... 7

Control Unit Operating Instructions .................................................................................................. 8
Front Panel Controls ......................................................................................................................................... 8

Startup ................................................................................................................................................... 9Power-On Display ............................................................................................................................................. 9Main Screen...................................................................................................................................................... 9

Preparing to Set Operating Parameters .......................................................................................... 10
Background Vibration / Manual RPM Entry .................................................................................................... 10
Limit ................................................................................................................................................................ 10
Tolerance ........................................................................................................................................................ 11
Critical Vibration.............................................................................................................................................. 11

Operation Overview ........................................................................................................................... 11
Navigation and Edit Conventions ................................................................................................................... 11
Multiple Machine Operation ............................................................................................................................ 12

Balance Process ................................................................................................................................ 13
Setup .............................................................................................................................................................. 13
Balance Process Overview ............................................................................................................................. 16
Trim Balance................................................................................................................................................... 16
Dual Plane Balance ........................................................................................................................................ 17
Single Point Balance Process ................................................................................................................. 22
2 and 3 Weight Balance Process ..................................................................................................... 26
Fixed Position Balance Process ............................................................................................................. 31

Plot Function ...................................................................................................................................... 34
Plot Selection Screen ..................................................................................................................................... 34
Plot Setup Screen ........................................................................................................................................... 35
Run Plot Screen ............................................................................................................................................. 35
Plot View Screen ............................................................................................................................................ 36
Delete Plot Confirmation ................................................................................................................................. 36

USB Interface...................................................................................................................................... 37
Interfacing ....................................................................................................................................................... 37

Hardwire Interface .............................................................................................................................. 37
Hardwire Interface Overview .......................................................................................................................... 37
Input Pin Names and Functions ..................................................................................................................... 38
Output Pin Names and Functions ................................................................................................................... 39

System Maintenance ......................................................................................................................... 40
RPM Sensor Cable (SB-18xx) ........................................................................................................................ 41
RPM Sensor Extension Cable (SB-19xx and SB-35xx).................................................................................. 41
Vibration Sensor ............................................................................................................................................. 41
SBS Return/Repair Policy............................................................................................................................... 41

Trouble Shooting Guide .................................................................................................................... 42
Error Messages .................................................................................................................................. 43
Appendix A: Specifications .............................................................................................................. 44
Appendix B: Replacement Part List ................................................................................................. 45
Support................................................................................................................................................ 45
Appendix C: System Connection Diagram ..................................................................................... 46
SBS System – SB-2000 Operation

System Purpose
In order for the wheel of a grinding machine to accurately cut, produce smooth surface finishes, and generatecorrect part geometry, it is necessary to prevent vibration in the grinding process. A primary cause ofvibration during grinding is the existence of imbalance in the grinding wheel. This is often due to theheterogeneous nature of the grinding wheel, which contains great numbers of unevenly distributed grains,causing intrinsic imbalance. This imbalance can be compounded by eccentric mounting of the wheel,varying width of the wheel, imbalance in the arbor, and coolant absorption into the wheel. Considering allthese factors, even a carefully established initial balance will not last long. b Furthermore, due to wear anddressing, the rotational dynamics of a grinding wheel are always changing. For these reasons, dynamicbalancing of grinding wheels has long been recognized as an important step in the production process.
The SBS Balance System has been developed to provide dynamic balancing for grinding machine operatorswith the following objectives in mind:• Ease and Usefulness of Operation• Minimal Installation Requirements• Attractive Purchase Price

Operator Safety Summary
This summary contains safety information necessary for operation of the SBS Balance System for grinding
machines. Specific warnings and cautions are found throughout the Operation Manual where they apply, but
may not appear in this summary. Before installing and operating the SBS Balance System, it is necessary toread and understand the entirety of this manual. After reading the Operation Manual, contact Accretech
SBS, Inc. for any additional technical assistance required.
Warning: Observe all safety precautions for operation of your grinding machinery. Do not
operate your equipment beyond safe balance limits.
Warning: Failure to properly attach SBS Balance System components to the grinding
machine spindle, including the proper use of provided adaptor lock screws, will
result in safety hazard during machine operation.
Warning: Never operate a grinding machine without all proper safety guarding in place.
Caution:To avoid equipment damage, make sure the line voltage is within the range
specified for the system (see specification section).

Caution:Only qualified service technicians should attempt to service the SBS Balance
System. To avoid electric shock, do not remove the cover of the Control Unit,or remove cables, with power connected.

SBS System – SB-2000 Operation1

Balance Theory
The SBS Balance System operates on the principle of mass compensation for any given grinding wheel’s
imbalance. The Intrinsic Imbalance of a grinding wheel is equal to its mass multiplied by “e”, the distance
between the wheel’s center of mass and the wheel’s center of rotation.
Intrinsic
Imbalance= e ( Wheel Mass )Measured
Imbalance

Balance= r ( Weight
Mass )= Center Rotation to Balance Mass

= Center Rotation to Wheel Center of Mass

The imbalance of a grinding wheel is determined in practice by use of the Measured Imbalance of the wheel.
The Measured Imbalance is equal to the product of the mass of an attached balance weight, located tobalance the grinding wheel, multiplied by “r” the distance between that weight’s center of mass and thegrinding wheel’s center of rotation. In both cases, the imbalance is given in terms of a mass multiplied by adistance, with (grams)(centimeters) being the default units used for reference by the system.
The SBS system with SB-2000 control can operate in single or 2-plane Manual Balance mode in order tocorrect for wheel imbalance.

Manual Balance Overview
The SB-2000 control can be used as an aid in performing manual balance operations, where the cost of afully automatic system is not warranted. An RPM sensor is used to monitor the RPM and phase position of
the rotating spindle. An RPM signal which is not time synchronized to a specific physical location on thespindle assembly is not adequate to achieve balance (such as from the motor or other source). An RPM
sensor with a fixed position trigger point must be used to allow the phase position of the spindle to me
determined.
Balance weights are either moved or added on the grinder manually by the operator as needed to achievebalance. The SB-2000 assists the operator by analyzing the current balance condition of the grinder andshowing the operator how to position weights to achieve balance.

Environmental Considerations
The SBS Balance System is designed to correct for grinding wheel imbalance and its detrimental effects on
quality of surface finish, part geometry, and wheel and machine bearing life. The system cannot correct forother environmental sources of vibration on the machine. This section is intended as a discussion of somecommon environmental problems which may influence grinding quality.
Other Sources of Vibration
A common source of vibration is adjacent machinery. Grinding machines should be properly isolation
mounted if vibration-producing machinery is operating nearby. Other sources of vibration may also include
components mounted on the machine itself, such as pumps, motors, drives, etc.
The SBS Balance System may not operate efficiently under the influence of some external vibrations. The
system filters the vibration signal it detects from the grinding machine by the frequency of the spindle RPM.
Vibrations occurring at frequencies other than that of the rotating wheel will be ignored by the system.
However if adjacent machinery or auxiliary equipment on the grinder is operating near the same frequency as
2

SBS System – SB-2000 Operation

the spindle rotation, the system will not be able to distinguish between vibrations occurring from wheel
imbalance and those originating elsewhere.
An excellent test for environmental vibration is to monitor the vibration level on the grinding machine while
the spindle is not turning. The vibration level should be checked in various locations on the grinding
machine, but in particular at the location the vibration sensor is to be mounted. All surrounding equipment,
including any auxiliary pumps or attachments on the grinding machine should be operating during this test.
The SBS Balance System can help perform this test but cannot remove these vibrations (see: Background
Vibration section).
Machine Condition

Grinding machine condition is an important factor in determining the minimum balance level that the
SBS Balance System can achieve. The spindle should be balanced, as well as all components in thespindle drive train (i.e. belts, pulleys, motor, etc.). The balance system can be used to readily determine
if any significant imbalance exists in the machine itself. Simply use the same method as describedabove for checking environmental vibration, except test with the spindle running and with no wheel
mounted. The SBS Balance System cannot remove vibration resulting from machine condition
problems.

SBS System – SB-2000 Operation

3

System Installation
Control Unit
The SBS Control Unit should be mounted in a location allowing observation of the display by the machine
operator. A variety of mounting hardware is available for installation on vertical surfaces or for rack
mounting.
System Connections, SB-2000 model
The following figure shows the rear of the control.
2

3

1

6

4

5

The following connections are located on the rear panel of the Control Unit.

4

1)

POWER SUPPLY. Terminal block connection for power input. 22 VDC to 26 VDC, 0.5A max
at 22 VDC. There is no power switch on the SB-2000, as it is designed for constant operation. If
power must be disconnected by the user, a separate switch on the power line may be installed at
installation.
Caution: Before applying power to the Control, make sure the supply voltage is within
specified range.

2)

Earth Ground. Connect this M5 stud to the GND.

3)

Optional CNC Interface. Standard DB-25 connector for connecting to a grinding machine
controller. A complete description of this relay based interface is given in the “Hardwire
Interface” section

4)

Vibration Sensor (x2). Two 5-pin DIN connections to Vibration sensors #1 and #2.

5)

RPM Sensor. 12-pin DIN connection to the SBS RPM Sensor.

6)

USB connection. Allows USB 2.0 connection to host computer for Firmware update of thecontrol, as well as interface capability as described in the USB Interface section of this manual.
Latest firmware for the control and update instructions are available on the SBS website
https://accretechsbs.com/

SBS System – SB-2000 Operation

System Connections, SB-2000-P model
The following figure shows the rear and side of the control.

1

2

3

4

6

5

The following connections are located on the rear panel of the Control Unit.
1)

Vibration sensor 1. 4-pin M12 Male connection.

2)

Vibration sensor 2. 4-pin M12 Male connection.

3)

RPM Sensor. 4-pin M12 female connection to the SBS RPM Sensor.

4)

POWER SUPPLY. 8-Pin M12 Male connection. Use with SB-1875 power supply.

Caution: Before applying power to the Control, make sure the supply voltage is within
specified range of SB-1875 unit.
5)

Corner mounting magnets. Allows the SB-2000-P to be temporarily attached to a metal surface
while in use.

6)

USB connection. Allows USB 2.0 connection to host computer for Firmware update of thecontrol, as well as interface capability as described in the USB Interface section of this manual.
Latest firmware for the control and update instructions are available on the SBS website
https://accretechsbs.com/

SBS System – SB-2000 Operation

5Vibration Sensor Location
The Vibration Sensor can be mounted on the grinding machine using the magnetic mount provided, or
permanent stud mount. The magnetic mount should be used during initial system start up until a good
permanent location is found on the grinding machine for the sensor. The sensor can then be permanently
stud mounted at that location, using an M5 set screw. A machined flat should be supplied at the mounting
location when stud mounting the sensor.
The location and installation of the sensor are critical for successful operation of the SBS Balance System.
Because of differing machine characteristics, Vibration Sensor location is specific to the machine model.
There are two general principles that should assist in finding a proper sensor location for your grinding
machine.
1.
Locate the Sensor in the same direction as the centerline between the grinding wheel and theworkpiece. The best place to start is a
Sensor Mounted inflat machined surface on the spindle
Directionof Workpiece
housing over the bearing closest to theContact
wheel and perpendicular to the spindle’s
centerline. A vertical mounting surface ispreferable on most cylindrical grinding
machines because the sensor is in linewith the grinding wheel and theworkpiece. For this same reason on
surface grinders and creep feed grinders, ahorizontal mounting surface is generally
best. Although the balancer itself may be
mounted either on the wheel or pulley end
Cylindrical or
Surface or Creepof the machine, the Sensor should always
Centerless Grinders
Feed Grinders
Workpiece
be aligned at the wheel end of themachine.
2.
Locate the sensor on a rigid part of the machine structure, where vibration from the spindle will
be accurately transmitted. On some machines the wheel guard can be a good location to mount the sensor,
if it is heavy enough and rigidly attached to the spindle housing. The balance system relies on vibration
signals received from the Vibration Sensor to accurately display the current vibration level and to balance thegrinding wheel. The system employs narrow bandwidth filters that prevent vibration at non-spindle
frequencies from being detected. However, in applications where the motor or other machine components
are running at the same speed or frequency as the spindle, interfering vibrations may result. Careful
experimentation with the sensor’s location minimizes sources of interference.

6

SBS System – SB-2000 Operation

RPM Sensor
An RPM rate alone (from the motor or other source) is not adequate to achieve balance. An RPM sensor
with a fixed position and once per revolution signal must be used so that the phase relationship between thevibration and spindle position may be determined.
Part number:

SB-1800

SB-1802

Installation type:

Permanent

Temporary

Sensor type:

Proximity NPN

Optical NPN

Trigger source:

Surface feature (hole)

Reflective tape

Maximum RPM1:
Recommended
sensing distance:
Notes:

24,000 RPM
2mm maximum
perpendicular to surface

25-100mm
perpendicular to surface

1) Surface feature may also be a protrusionfrom the surface instead of a hole, butmust only occur once per revolution.
2) Recommended minimum hole diameterof 8mm.

1)

2)

Calibration may be required.
a. Align sensor to trigger source.
b. Push Teach Button on sensor for 2-5
seconds until LED turns on constantly.
c. Remove trigger source. Verify LED turns
off.
Instead of reflective tape, a black mark may berequired if the surface is highly reflective. Achange in surface reflectivity is required forproper RPM detection.

1

Sensor Maximum RPM is defined both by the sensor type used, and by the trigger feature used. Alternate sensors are available for higher
RPM applications. Contact SBS for application assistance.

SB-1800 Proximity Sensor NPN

M12 4-pLocknut (2)SB-1802 Optical Sensor NPN

Teach Button

Measure Distance 100mm Max.

LED
Locknut (2)M12 4-p

SBS System – SB-2000 Operation

7

Control Unit Operating Instructions
Front Panel Controls
The following figure illustrates the front panel of the Balance Control Unit.
1

8

2
7
3
4
5

6

Following is a description of these features:
1) LCD Display. This screen is used to display data and show current settings and status information.
Information is displayed using a symbol based interface, which is independent of language. The display
will dim over a period of about 24 minutes when inactive (no user button presses).
2) Setup
button. Press to access the operational settings of the control. Press and hold this button toaccess the screen for selection of single machine or multiple machine operation.
3) Balance

button. Press to start a balance operation.

4) Trim/Edit
button. This button is used to initiate a Trim Balance process. It also is used to change
values at various steps in the manual balance process.
5) Plot

button. Selects plot mode, allowing vibration spectrum plots to be created and saved.

6) Cancel
button. Press to cancel the operation in progress, or cancel the last selection or entry made.
This button also clears any displayed error message.

7) Arrow
buttons. Used to change selected options, or to select and increment digits when
editing. See Navigation and Edit Conventions.
8) OK button. Used to accept current settings.

8

SBS System – SB-2000 Operation

Startup
Power-On Display
Power on display shows only after power is applied, anddisplays for 2 seconds. Press and hold the Cancel button toextend the duration of this display until button is released.
For support reference, the installed Firmware rev. isdisplayed, and below that the FPGA code rev. Following
this startup screen the unit will display the Main screen
when in single machine mode, or will display the Machine
Selection screen when in multiple machine mode.
Main Screen
10

9

8

7

6

1
2

3

4

5

This is the main display screen of the SB-2000. The first screen shows the display in single plane balancemode, and the second shows the display when in 2-plane balance mode. The first 6 screen elements shown
below are specific to a single balance plane, and are duplicated in the 2-plane view.
Display elements specific to a single balance plane
1. Vibration level indication. Vibration values will not display if there is a vibration sensor error (missing
or shorted), or if there is no RPM value displayed. To the right of the vibration display, two Balance
conditions will be indicated when they occur:a.

- Tolerance Level exceeded (yellow color). The symbol will flash in yellow if the vibration level
rises over the user selected Balance Tolerance limit.

b.

- Critical Balance exceeded (yellow color). The symbol will flash in yellow if the vibration level
rises over the user selected Critical Balance level.

2. Vibration bar graph. Shows the current vibration level graphically. The scale is linear between thecurrent settings for Balance Limit and Balance Tolerance. A different linear scale applies between the
Balance Tolerance level and the Critical Balance level.
3. Balance Limit. This fixed position on the graph indicates the current level set for the Balance Limit,
relative to the measured vibration level.
4. Balance Tolerance. This fixed position on the graph indicates the current level set for the Balance
Tolerance, relative to the measured vibration level.
SBS System – SB-2000 Operation

95. Critical Balance Level. This fixed position on the graph indicates the current level set for the Critical
Balance, relative to the measured vibration level.
6. Sensor# assigned. Indicates if sensor 1 or sensor 2 (1 or2 ) is assigned to the plane displayed.

General display elements, not specific to a single balance plane
7. RPM indication. RPM values will not display if there is no incoming signal (spindle is stopped, or RPM
sensor is missing or shorted). A manual RPM value can be set if needed (see Manual RPM Setup)
8. RPM Error indication. Displays one of four icons to indicate RPM error conditions:a.

- (red color) Critical RPM exceeded. The symbol will display and flash if the RPM level is over
the Critical RPM user setting.

b.

- (red color) RPM Minimum not met. The Symbol will display and flash if the RPM level isbelow the Minimum RPM user setting.

c.

- (yellow color) RPM above operation limit. The symbol will display and flash when the RPM
detected is above the maximum operational limit of 102,000 RPM.

d.

- (yellow color) RPM below operation limit. The symbol will display and flash when the RPM
detected is below the minimum operational limit of 25 RPM.

9.

- Front Panel Inhibit (FPI) is active (see FPI under hardwire interface).

10.

- Machine ID number selected (shown only in multiple machine operation).

Preparing to Set Operating Parameters
Ensure you fully understand the function and operation of the Control’s front panel as described inprevious sections, before attempting the following operations.
Background Vibration / Manual RPM Entry
A check of the background vibration level should be performed to correctly set up the system.
Install the Control, and all cables as indicated in the installation section of the manual. Leave the grinding
machine off. Press the button, then on the following screen press the
button to manually enter theoperational RPM of the grinding machine. Note this measured ambient vibration level without the machinerunning.
Turn on all secondary machine systems (such as hydraulics and motors), but leave the machine spindle
turned off. The vibration level displayed without the spindle running is the background vibration level forthe machine. Note this background vibration level for future reference in setting the operating parameters of
the system. Refer to the “Environmental Considerations” section for explanation of possible sources ofbackground vibration.
Limit
The Balance Limit represents the best balance achievable, and is the target vibration level during a balancecycle. It is factory set at 0.4 microns displacement. A balance Limit of 1.0 micron or less is generally
considered adequate for most applications. The Limit should be set at least 0.2 microns higher than thehighest background vibration level noted in the “Background Vibration” section. Some experience may benecessary to determine the appropriate balance Limit for a particular installation.

10 SBS System – SB-2000 Operation

NO BALANCE SYSTEM IS CAPABLE OF BALANCING THE GRINDING WHEEL TO A VALUEBELOW THE BACKGROUND LEVEL. Trying to set the balance Limit below background levels will
result in failed balance cycles. Since the background vibration level is often a product of floor transmitted
vibrations, these levels may change as adjacent machines are put into or out of service. Set the balance
Limit during periods when the system will receive the maximum floor transmitted vibration.
Tolerance
This setting establishes an upper-limit for normal process vibration for the grinder. When vibration reaches
this level, the control will indicate the need to perform a balance cycle. Indications given on the front panel
for balance status are shown, and additional indication is given on the Hardwire Interface. The Tolerance
level is typically it is set at least 1 micron above Limit setting.
Critical Vibration
This setting establishes an operational upper safety limit of vibration for the system. When reached, thissetting will cause an indication of the critical need to perform a re-balance operation. This indication on thefront panel is shown, and additional indication is given on the Hardwire Interface. The Critical level istypically set at least 5 microns above the Tolerance setting.

Operation Overview
Navigation and Edit Conventions
The following screens show the conventions in operation throughout the menu structure of the SB-2000.


A yellow outline is used to indicate which option is currently selected. Most settings are represented bysymbols that indicate the available options for that setting. Some settings require a number to be set.



Current saved settings are shown as either a symbol highlighted with a white background, or by thedisplayed number for the setting.



Use the arrow keys to move from one setting to the next. The yellow outline will indicate the current
selection.

Press the OK button to activate editing of the selected option. Press

Cancel to exit.

When in edit mode:A yellow highlighted background is used to show the current item or number being edited.



The OK symbol will flash in yellow at the left side of the screen whenever the current selection isdifferent than saved settings. This indicates that pressing OK is required to save the new current settings.



The Arrow buttons are used to make selections, and also to make edit numbers. Where a number needs
to be entered, thebuttons are used to select the digit to be changed (move the underline). The
andbuttons increment or decrement the number at the underlined digit. Holding the arrow button
will start an accelerating repetition of the button press.



Pressing OK will save changes made. Pressing
previously saved data.

Cancel will discard changes made and revert to the

SBS System – SB-2000 Operation 11

Multiple Machine Operation
If desired, setup parameters & balance solutions can be
stored for more than one machine. Enabling this feature
requires the activation of multiple machine mode.
When in multiple machine mode, the control saves
independent setup information for up to thirty-fourmachines using a machine ID number of 01-34. This isuseful where the control will be moved between machineswith different setup requirements. It is recommended thatthe grinding machines in such a scenario be labeled with theappropriate machine ID number for reference.
Access the Machine Mode screen by pressing and holding the Setup
button. The first icon in the top
section of the screen selects single machine operation, and the second icon selects multiple machine
operation.
When multiple machine operation is active, the selection
screen is shown every time the unit powers on so the user
can match control to the ID of the machine. The screen
shown indicates that machine 12 is selected. As thisnumber is edited, the graphic next to it indicates if theselected machine ID is currently setup for use with aparticular vibration sensor ( 1 or 2 or both). Where nobalance setup information is saved under a machine ID
number, then this area on screen will be empty ( – ). This
indicates an available or unused ID.

Machine Selection Power Up Screen

Use the arrow buttons to change the machine number
selected. Press OK to accept the current selection and go to the Main screen.

The machine ID is displayed in a box at the top of the screen during normal operation as an indicator of theselection made.
Machine ID

12 SBS System – SB-2000 Operation

Balance Process
Setup
There are a number of user selectable operating settings for the SB-2000, which are found under the Setup
menu. Press the
button to enter this menu and display setup screen 1 shown. This setup screen provides
settings for the machine or job as a whole.
Press thebutton a second time to display setup screen 2, with sensor specific settings. This setup screen
shows the sensor number being edited.
When dual plane1+ 2 operation is selected, the setup screen 2 will be duplicated for each of the two
sensors, allowing separate settings for each.

Setup Screen 1

Setup Screen 2

When the SB-2000 is in the setup menu, thesymbol is displayed on the left side of the screen. Whenin multiple machine mode, the current machine number is displayed in the box at top of the screen. The
Setup menu will time out after 1 minute of inactivity and the unit will return to the Main screen without
saving any changes. The hardwire interface output relays will remain active during setup.
Each of the following settings is presented in order under the setup menu.
Setup Screen 1 – Machine/Job Assigned Settings
Sensor Selection. Select the sensor(s) active for the current job.
Vibration Display Units.
Vibration Type.
P-P = Peak to Peak measurement
P = Peak measurement (0.5*P-P)
RMS = RMS Average measurement (.707*P)
Critical RPM Limit. Setting a value of zero disables this option.
If RPM is measured above the set Critical RPM Limit, then theerror is indicated on the display, and BOT2 relay isactivated on the Hardwire Interface.
Minimum RPM Setting. Setting a value of zero sets thethreshold to the lowest detectable RPM. If RPM is measured
below the Minimum RPM Limit, then theerror is indicatedon the display, and SIR relay is open on the Hardwire Interface.

SBS System – SB-2000 Operation 13

Setup Screen 2 – Sensor Assigned Settings
Balance Limit. The SBS Balance System will attempt to balance
to this user specified lowest possible vibration level. The Limit
represents the best balance achievable, and is the target vibrationlevel during the balance process. It is factory set at 0.4 microns
displacement. A balance Limit of 1.0 micron or less is generally
considered adequate for most applications. The Limit should be
set at least 0.2 microns higher than the highest backgroundvibration level noted in the “Preparing to Set Operating
Parameters” section. Some experience may be necessary to
determine the appropriate balance Limit for a particularinstallation.
Tolerance. This setting establishes an upper limit for normal
process vibration for the grinder. When vibration reaches thislevel, The control will indicate the need to perform a balance
process. Indication is given on the screen and on the Hardwire
Interface. The Tolerance level is typically set at least 1 micron
above Limit setting.
Critical Vibration. This setting establishes an operational safety
limit of vibration for the system. When reached, this setting willcause an indication of the critical need to perform a re-balance
operation. This indication is given on the display and the
Hardwire Interface. The Critical level is typically set at least 5
microns above the Tolerance setting.
Balance Type. Each type describes the method of balancing
weight attachment to be used on the machine to performbalancing.
Circumferential Weight – One weight of variable mass is
positioned at a distance around the circumference of a rotor.
Single Weight – One weight of variable mass is positioned
at an angle.
Two Weights – Two equal, fixed mass weights are
positioned at variable angle positions.
Three Weights – Three equal, fixed mass weights are
positioned at variable angle positions.
Fixed Positions – A specified number of mounting positionsin an equally spaced fixed pattern (such as a bolt circle) areavailable for adding variable mass weights.
If Fixed Position Balance Type is selected, then the right side of
the following selection is displayed. This allows for editing thenumber of fixed positions from 3 to 99, in order to identify theavailable positions during balancing. The positions are assumed
to be evenly spaced in a 360 degree pattern. They must belabeled on the machine from 1 to the highest number available.
14 SBS System – SB-2000 Operation

If Circumferential Weight is selected, then the left side of thisselection is displayed. This allows for editing the circumferenceof the rotor around which the user will measure the distance toplace a balance weight.
Drill mode selection is only available when one of the two single
point balance modes has been selected,
is presented for selecting:or. A sub-menu

Add Weight mode for each balance phase.
Drill (Remove Material) mode for each balance phase.
The middle setting allows the test weight to be added
and the final balance solution to be performed by removing the test
weight and then using the drill method. In this mode the test weightscreen is the same as for the add weight only mode.
Scale Direction. Sets the direction of the scale used to position
the balance weights relative to the wheel’s direction of rotation.
The weight scale direction is the direction in which the angle
references (0°, 90°, 180° etc.) or the weight position location
numbers (1,2,3,4, etc.) increase.

Spindle rotation is in the same direction as theweight scale.
Spindle rotation is in the opposite direction as theweight scale.

SBS System – SB-2000 Operation 15

Balance Process Overview
Press
Balance to start a complete Manual Balance operation. There are a minimum of three phases foreach balancing cycle:
1. Initial Phase. The vibration level is measured and saved.
2. Test Phase. A test weight is placed on the machine so its effect can be measured.
3. Solution Phase. The balancing solution is provided. The correction weight is placed on themachine & the results are measured.
If the resulting vibration is below the Balance Limit
the balance process will complete and exit to themain screen. If the resulting vibration is above the Balance Limit, a new balance solution will be provided tocorrect for the residual unbalance. Every subsequent balance solution is a Trim Phase. A Trim phase is justan iteration of the Solution Phase, performed if more adjustment is needed.
Each Phase has four parts:
a. Stop spindle. The control indicates that the spindle needs to stop.

b. Apply weights. Once stopped the operator must configure the weights as instructed.
c. Start Spindle. The spindle must be started.
d. Measure. The vibration can be measured for calculating the next phase.
Single point weightsolution
Phase number
1 = Initial
2 = Test
3 = Solution
4+ = Trim

Plane number indicator
Next Arrow

Weight placement in format
specific to balance solution
typeThis information is remembered through a power cycle. The hardwire interface output relays will remain
active during the balance operation. Except where noted, theCancel button will stop the balance
operation and return to the main screen.
Trim Balance
The first two phases of the balance cycle (Initial and Test) allow the SB-2000 to determine and save essential
information regarding the condition of the grinder and how changes in balance weights will effect machinebalance. Assuming the conditions on the machine do not change (RPM, wheel size, etc.) then subsequentbalance operations can be successfully performed without re-running these two phases. If machineconditions do change, then performing balance operations based on the saved results of the Initial and Test
phases will produce inaccurate results.

Trim balancing can be performed at any time that vibration levels rise above a satisfactory balance condition.
Press theTrim button to start a Trim Balance operation. This skips the Initial and Test phases of theoperation and starts at the Solution phase. To do this the SB-2000 must have saved results from a previously
completed Initial phase and Test phase. If the
Trim button is pressed when these two phases have notbeen completed, then the
FPI indication will display for 1.5 second, and the Solutions screen will not be
displayed. The
Trim will only operate if the spindle is running within 3% of the RPM of the Test phase.
16 SBS System – SB-2000 Operation

Balancing Problems - If successive Trim balance attempts are unsuccessful, this is an indication that either
machine conditions have changed, or an error has occurred in weight placement (inaccurate position(s) ormass changes). In this case the operator should verify the Scale Direction setting is still accurate, then press
to start a new complete Manual Balance operation.
Important - Performing a Manual Balance will only be successful if the user is very careful in following
each step of the process, and making certain that weight movements and additions are performed accurately.
Both the mass of weight used and the positioning of weights used will determine the accuracy of the balanceachieved.
Dual Plane Balance
Sections follow to describe the operation of the different balancing types. For simplicity, the screens shown
are for single plane balancing. The phases for two-plane balancing are identical, but weight placement
screens and measure vibration screens will show information for each of the two planes, with the top of thescreen indicating plane1 and the bottom of the screen indicating plane 2.

Weight placement

Measure Vibration

The test weight placement phase is broken into two separate steps, with one weight placement for each plane.
The screen will show one plane as active, with the other plane shown greyed out. Complete each of theweight placements in sequence as directed.

SBS System – SB-2000 Operation 17

Circumferential Weight Balance Process
InitialStop Spindle - This screen requests the operator to stop thespindle. The
Stop Spindle icon flashes as a reminder.
This screen stays until the control detects that the spindle
rotation has stopped.

InitialApply Weights - Once the spindle is stopped, this screen
shows the operator how to place the weight. During theInitial Phase there should be no weight placed on themachine.
Press

to indicate that the machine is ready.
InitialStart Spindle - This screen prompts you to start the spindle
so a vibration measurement can be taken. The
icon andthe “RPM” both flash as a reminder. The control stays on
this screen until it senses the spindle is up to constant speed.
Then the screen advances to the Measure screen.
The Back arrow on the screen indicates that pressing will
return you to the Apply Weights screen.
InitialMeasure Vibration - Once the rpm has stabilized, the Next
arrow will appear on the screen and flash. Pressing willstore this measurement into memory.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

Test

Stop Spindle - The
Stop Spindle icon flashes as areminder to stop the spindle.

18 SBS System – SB-2000 Operation

Test

Apply Weights (or drill if
is selected) – The test
weight shown on the screen must be added (or drilled) at
the zero position. The value of the test weight is shown.

Whenmode is active:

During the Test Phase pressing the Edit Button(noteicon) will display this screen,allowing the test weight mass value to be edited.
The weight units can also be selected from g, oz, lb,
kg, and none. Changing units does not convert mass
value.

When done editing press OK to save changes andreturn to the Apply Weights screen.
Whenmode is active, thebutton allows selectionand edit of drill parameters as well as the weight mass
value. Drill parameters are shown at upper left of screen(density, drill angle, drill Ø, and drill depth). Press
to highlight which field to edit.
Press OK to edit the selected parameter, and then use thearrow buttons to change values. Press OK again to savechanges. As changes are made, the other relatedparameters will update on screen. Press Cancel to exit edit
and return to balance process.

Press

to indicate that the machine is ready.
Test

Start Spindle - The
icon and the “RPM” both flash as areminder to start the spindle again.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

SBS System – SB-2000 Operation 19

Test

Measure Vibration - Once the rpm has stabilized, the next
arrow will appear on the screen and flash. Pressing willstore this measurement into memory.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

Solution

Stop Spindle - The
Stop Spindle icon flashes as areminder to stop the spindle.

Solution

Additive Weight Solution (+)

Apply Weights (drill if
is selected) - The weightshould be changed (or drilled) at the position and mass
shown to bring the balance to a minimum.
Place balance weights on same radius as the test weight.
There are two ways to display the solution:
Additive or AbsolutePress
to Toggle between Additive and Absolute Weight
Solution screens. (noteicon on solution screen).
Additive Solution (+)
Leave all existing weights on themachine and add what is shown.

Absolute Weight Solution (=)

Whenmode is active:

Absolute Solution ( = )Remove all test weights first thenplace weights as shown.

Additive Change

Absolute Change

Whenmode is active, thebutton allows selection and edit ofdrill parameters only. Drill parameters are shown at upper leftof screen (drill angle, drill Ø, and drill depth). Press
tohighlight which field to edit.
Press OK to edit the selected parameter, and then use thearrow buttons to change values. Press OK again to savechanges. As changes are made, the other related parameters
will update on screen. Press Cancel to exit edit and return tobalance process.
Press the next button to indicate that the machine is ready.

20 SBS System – SB-2000 Operation

Solution

Start Spindle - The
icon and the “RPM” both flash as areminder to start the spindle again.
The Back arrow on the screen indicates thatyou to the Apply Weights screen.

will return

Solution

Measure Vibration. Once the rpm has stabilized, the rightarrow will appear on the screen and flash. Pressing the next
button will store this measurement into memory.
The Back arrow on the screen indicates thatyou to the Apply Weights screen.

will returnIf the resulting vibration is below the Balance Limitthebalance process will complete and exit to the main screen.
If the resulting vibration is above the Balance Limit, a newbalance solution will be provided to correct for the residual
unbalance.
Every subsequent balance solution is a Trim Balance. A Trim balance is just another iteration of the
Solution Phase, performed if more adjustment is needed.
One of these screens may be displayed instead of the
Solution screen if the Balance Solution is difficult toachieve.
The top screen shown indicates that bigger weights should
be used. Press button to return to Apply Weights screen
for an opportunity to use a larger weight and repeat the Test
phase.
The bottom shown screen indicates that the compensation
numbers are very large or small for accurate display and theweight units in use may need to change. Press
button to
return to the Apply Weights screen without making any
changes.
If changes are made, a new complete balance operation
should be run by pressing .

SBS System – SB-2000 Operation 21

Single Point Balance Process
InitialStop Spindle - This screen requests the operator to stop thespindle. The
Stop Spindle icon flashes as a reminder.
This screen stays until the control detects that the spindle
rotation has stopped.

InitialApply Weights - Once the spindle is stopped, this screen
shows the operator how to place the weight. During theInitial Phase there should be no weight placed on themachine.
Press

to indicate that the machine is ready.
InitialStart Spindle - This screen prompts you to start the spindle
so a vibration measurement can be taken. The
icon andthe “RPM” both flash as a reminder. The control stays on
this screen until it senses the spindle is up to constant speed.
Then the screen advances to the Measure screen.
The Back arrow on the screen indicates that pressing will
return you to the Apply Weights screen.
InitialMeasure Vibration - Once the rpm has stabilized, the Next
arrow will appear on the screen and flash. Pressing willstore this measurement into memory.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

Test

Stop Spindle - The
Stop Spindle icon flashes as areminder to stop the spindle.

22 SBS System – SB-2000 Operation

Test

Apply Weights (or drill if
is selected) – The test
weight shown on the screen must be added (or drilled) at
the zero position. The value of the test weight is shown.

Whenmode is active:

During the Test Phase pressing the Edit Button(noteicon) will display this screen,allowing the test weight mass value to be edited.
The weight units can also be selected from g, oz, lb,
kg, and none. Changing units does not convert mass
value.

When done editing press OK to save changes andreturn to the Apply Weights screen.
Whenmode is active, thebutton allows selectionand edit of drill parameters as well as the weight mass
value. Drill parameters are shown at upper left of screen(density, drill angle, drill Ø, and drill depth). Press
to highlight which field to edit.
Press OK to edit the selected parameter, and then use thearrow buttons to change values. Press OK again to savechanges. As changes are made, the other relatedparameters will update on screen. Press Cancel to exit edit
and return to balance process.

Press

to indicate that the machine is ready.
Test

Start Spindle - The
icon and the “RPM” both flash as areminder to start the spindle again.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

SBS System – SB-2000 Operation 23

Test

Measure Vibration - Once the rpm has stabilized, the next
arrow will appear on the screen and flash. Pressing willstore this measurement into memory.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

Solution

Stop Spindle - The
Stop Spindle icon flashes as areminder to stop the spindle.

Solution

Additive Weight Solution (+)

Apply Weights (drill if
is selected) - The weightshould be changed (or drilled) at the position and mass
shown to bring the balance to a minimum.
Place balance weights on same radius as the test weight.
There are two ways to display the solution:
Additive or AbsolutePress
to Toggle between Additive and Absolute Weight
Solution screens. (noteicon on solution screen).
Additive Solution (+)
Leave all existing weights on themachine and add what is shown.

Absolute Weight Solution (=)

Whenmode is active:

Absolute Solution ( = )Remove all test weights first thenplace weights as shown.

Additive Change

Absolute Change

Whenmode is active, thebutton allows selection and edit ofdrill parameters only. Drill parameters are shown at upper leftof screen (drill angle, drill Ø, and drill depth). Press
tohighlight which field to edit.
Press OK to edit the selected parameter, and then use thearrow buttons to change values. Press OK again to savechanges. As changes are made, the other related parameters
will update on screen. Press Cancel to exit edit and return tobalance process.

Press the next button to indicate that the machine is ready.

24 SBS System – SB-2000 Operation

Solution

Start Spindle - The
icon and the “RPM” both flash as areminder to start the spindle again.
The Back arrow on the screen indicates thatyou to the Apply Weights screen.

will return

Solution

Measure Vibration - Once the rpm has stabilized, the rightarrow will appear on the screen and flash. Pressing the next
button will store this measurement into memory.
The Back arrow on the screen indicates thatyou to the Apply Weights screen.

will returnIf the resulting vibration is below the Balance Limitthebalance process will complete and exit to the main screen.
If the resulting vibration is above the Balance Limit, a newbalance solution will be provided to correct for the residual
unbalance.
Every subsequent balance solution is a Trim Balance. A Trim balance is just another iteration of the
Solution Phase, performed if more adjustment is needed.
One of these screens may be displayed instead of the
Solution screen if the Balance Solution is difficult toachieve.
The top screen shown indicates that bigger weights should
be used. Press button to return to Apply Weights screen
for an opportunity to use a larger weight and repeat the Test
phase.
The bottom shown screen indicates that the compensation
numbers are very large or small for accurate display and theweight units in use may need to change. Press
button to
return to the Apply Weights screen without making any
changes.
If changes are made, a new complete balance operation
should be run by pressing .

SBS System – SB-2000 Operation 25

2 and 3 Weight Balance Process

Screens shown are for 3-weight balance, but the same process applies to 2-weight balance.
InitialStop Spindle - This screen requests the operator to stop thespindle. The
Stop Spindle icon flashes as a reminder.
This screen stays until the control detects that the spindle
rotation has stopped.

InitialApply Weights - Once the spindle is stopped, this screen
shows the operator where to position the weights. During
this phase, the weights should be removed or moved to thenull positions shown.
During the Initial Phase thetoggle icon will
be displayed to indicate that the last weight
positions were saved. Pressing the Toggle
Button will display and use the saved weight
positions for the selected machine number. This
allows a balance cycle to be performed at a low
RPM, and the results of that cycle to become theInitial run start point for another balance cycle at ahigher RPM.

Press
again to toggle back to the default nullweight positions.
Also during the Initial Phase the weight angles canbe manually edited to match the existing positionsof the weights. A rectangle highlights the current
selection. Use the Up and Down arrows to selectthe angle to edit and press OK to edit the angle
value. Once a value is updated, the Toggle icon
will be erased and Toggle will no longer function.
Press

26 SBS System – SB-2000 Operation

to indicate that the machine is ready.

Initial

Start Spindle - This screen prompts you to start the spindle
so a vibration measurement can be taken. The
icon andthe “RPM” both flash as a reminder. The control stays on
this screen until it senses the spindle is up to constant speed.
Then the screen advances to the Measure screen.
The Back arrow on the screen indicates that pressing will
return you to the Apply Weights screen.
InitialMeasure Vibration - Once the rpm has stabilized, the Next
arrow will appear on the screen and flash. Pressing willstore this measurement into memory.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

Test

Stop Spindle - The
Stop Spindle icon flashes as areminder to stop the spindle.

SBS System – SB-2000 Operation 27

Test

Apply Weights - Once the spindle is stopped, this screen
shows the operator where to position the weights. During
this phase, one weight should be placed at the zero positionor all weights moved to the positions shown.
During the Test Phase pressing the Edit
Button (noteicon) displays this screen,allowing editing of the test weight compensation.

Pressing
buttons will edit the highlighted test
weight compensation from the default maximum of
1.0 to a minimum of 0.1, in 0.1 increments. Duringediting the resulting weight positions and correction
vector are displayed.
This allows a smaller
correction vector to be used where the weights arelarge for the application and using the default
positions would produce too large a vibration level.
When done editing press OK to save changes andreturn to the Apply Weights screen.

Press

to indicate that the machine is ready.
Test

Start Spindle - The
icon and the “RPM” both flash as areminder to start the spindle again.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

Test

Measure Vibration - Once the rpm has stabilized, the next
arrow will appear on the screen and flash. Pressing willstore this measurement into memory.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

28 SBS System – SB-2000 OperationwillSolution

Stop Spindle - The
Stop Spindle icon flashes as areminder to stop the spindle.

Solution

Apply Weights - The weight should be changed to thepositions shown to bring the balance to a minimum.

Press the next button to indicate that the machine is ready.

SolutionStart Spindle - The
icon and the “RPM” both flash as areminder to start the spindle again.
The Back arrow on the screen indicates thatyou to the Apply Weights screen.

will return

Solution

Measure Vibration - Once the rpm has stabilized, the rightarrow will appear on the screen and flash. Pressing the next
button will store this measurement into memory.
The Back arrow on the screen indicates thatyou to the Apply Weights screen.

will returnIf the resulting vibration is below the Balance Limitthebalance process will complete and exit to the main screen.
If the resulting vibration is above the Balance Limit, a newbalance solution will be provided to correct for the residual
unbalance.
Every subsequent balance solution is a Trim Balance. A Trim balance is just another iteration of the
Solution Phase, performed if more adjustment is needed.

SBS System – SB-2000 Operation 29

One of these screens may be displayed instead of the
Solution screen if the Balance Solution is difficult toachieve.
The images depict suggestions to improve results byincreasing or decreasing the weight and/or changing thebalance type between two and three weights.
Press
button to return to the Apply Weights screen
without making any changes.
If changes are made, a new complete balance operation
should be run by pressing .

30 SBS System – SB-2000 Operation

Fixed Position Balance Process
InitialStop Spindle - This screen requests the operator to stop thespindle. The
Stop Spindle icon flashes as a reminder.
This screen stays until the control detects that the spindle
rotation has stopped.

InitialApply Weights - Once the spindle is stopped, this screen
shows the operator how to place the weight. During theInitial Phase there should be no weight placed on themachine.
Press

to indicate that the machine is ready.
InitialStart Spindle - This screen prompts you to start the spindle
so a vibration measurement can be taken. The
icon andthe “RPM” both flash as a reminder. The control stays on
this screen until it senses the spindle is up to constant speed.
Then the screen advances to the Measure screen.
The Back arrow on the screen indicates that pressing will
return you to the Apply Weights screen.
InitialMeasure Vibration - Once the rpm has stabilized, the Next
arrow will appear on the screen and flash. Pressing willstore this measurement into memory.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

Test

Stop Spindle - The
Stop Spindle icon flashes as areminder to stop the spindle.

SBS System – SB-2000 Operation 31

Test

Apply Weights - The test weight shown on the screen
must be added at the zero position. The value of the test
weight is shown.
During the Test Phase pressing the Edit Button(noteicon) will display this screen,allowing the test weight mass value to be edited.
The weight units can also be selected from g, oz,lb, kg, and none.

When done editing press OK to save changes andreturn to the Apply Weights screen.

Press

to indicate that the machine is ready.
Test

Start Spindle - The
icon and the “RPM” both flash as areminder to start the spindle again.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

will

Test

Measure Vibration - Once the rpm has stabilized, the next
arrow will appear on the screen and flash. Pressing willstore this measurement into memory.
The Back arrow on the screen indicates that pressing
return you to the Apply Weights screen.

32 SBS System – SB-2000 OperationwillSolution

Stop Spindle - The
Stop Spindle icon flashes as areminder to stop the spindle.

Solution

Additive Weight Solution (+)

Apply Weights - The weight should be changed to theposition and mass shown to bring the balance to aminimum.
Place balance weights on same radius as the test weight.
There are two ways to display the solution:
Additive or AbsolutePress
to Toggle between Additive and Absolute Weight
Solution screens. (noteicon on solution screen).

Absolute Weight Solution (=)

Additive Solution (+)
Leave all existing
weights on themachine and only add
what is shown.
Absolute Solution ( = )Remove all test
weights first then placeweights as shown.

Additive Change

Absolute Change

Press the next button to indicate that the machine is ready.
SolutionStart Spindle - The
icon and the “RPM” both flash as areminder to start the spindle again.
The Back arrow on the screen indicates thatyou to the Apply Weights screen.

will return

SBS System – SB-2000 Operation 33

Solution

Measure Vibration - Once the rpm has stabilized, the rightarrow will appear on the screen and flash. Pressing the next
button will store this measurement into memory.
The Back arrow on the screen indicates thatyou to the Apply Weights screen.

will returnIf the resulting vibration is below the Balance Limitthebalance process will complete and exit to the main screen.
If the resulting vibration is above the Balance Limit, a newbalance solution will be provided to correct for the residual
unbalance.
Every subsequent balance solution is a Trim Balance. A Trim balance is just another iteration of the
Solution Phase, performed if more adjustment is needed.
One of these screens may be displayed instead of the
Solution screen if the Balance Solution is difficult toachieve.
The top screen shown indicates that bigger weights should
be used. Press button to return to Apply Weights screen
for an opportunity to use a larger weight and repeat the Test
phase.
The bottom shown screen indicates that the compensation
numbers are very large or small for accurate display and theweight units in use may need to change. Press
button to
return to the Apply Weights screen without making any
changes.
If changes are made, a new complete balance operation
should be run by pressing .

Plot Function
In addition to performing Balance, the SB-2000 allows vibration spectrum plots to be made and saved, as
well as exported to a PC for long term reference and more detailed analysis. Press the
Plot button todisplay the Plot Selection screen.
Plot Selection Screen
This screen shows an array of 34 data locations in which to saveplot data. Use the arrow keys
andto highlight thedata location desired. The arrows at the top indicate when scrolling
left or right will access more data locations. The number displayed
indicates the storage location number, and is not tied to themachine number assignment. Plots are stored independent fromthe machine balance setup data.
34 SBS System – SB-2000 Operation

A user-defined ID text field is provided to label each saved plot. This ID text field is in date format yyyymm-dd, although any numbers can be used as desired in the ID text field. A plot image in the data location
indicates data is stored in the location. A data location with no plot image indicates the location is empty.
Press OK to activate the selected data location.
Activating a data location with a stored plot will access the Plot view screen, while activating an empty data
location will display the Plot Setup screen.
At the bottom right of the Plot Selection screen are two options which effect all data locations: The
USB selection is used to Send All saved plot data from all data locations through the USB port.
The icon will blink while this data export process is in process.
 The
Trash selection is used to Delete All stored plots from all data locations. Activating this selection
is followed by a confirmation screen before plot data is erased.
Press
Cancel to return to the main screen. If a plot was measured in multi-machine mode, that machine
number is displayed in the small box near the top center of its icon.
Plot Setup Screen
This screen allows plot configuration choices to be made by theuser, and for the plot process to be run.
1.
2.
3.
4.
5.

Edit the ID text field as desired to label the new plot.
Select 1 or
2 for plotting.
Select µm, mm/s, or m/s2, vibration units.
Select P-P, P, or RMS amplitude type.
Select the starting and ending plot RPM. Time for acquisitionis shown in parentheses.
6. Select
Single orContinuous plot mode.
7. Select
Run to begin (shows the Run Plot screen).
The plot configuration values default from the current data location settings where they exist, or else from: The last previously viewed plot’s settings where they exist, or From the first non-empty data location’s settings where they exist, or From the system default settings.
Press

Cancel to return to the previous screen.

Run Plot Screen
This screen shows the progress of the plot. The bar graph shows
the progress of the current plot run, while the graph shows theresults of the most recently completed plot run. The peak
amplitude is shown with its RPM.
In
Single Plot mode only one plot will be run, and then display
the Plot View Screen.
In
Continuous Plot mode, repeated iterations of the plot will
run until the user presses the OK button. At that time the mode
will switch to Single Plot mode, the currently running plot will complete then display the Plot View Screen.
Pressing
Cancel while in Continuous Plot Mode will end the current plot acquisition and display the Plot
View Screen with the last fully acquired plot.

SBS System – SB-2000 Operation 35

In either mode, pressing
Cancel before a plot is displayed will end the current plot acquisition without
saving any new data. If no data was previously saved in the data location, then the Plot Setup will be
displayed.
Plot View Screen
This screen shows the plot data at completion of the plot process.
This data is saved at plot completion.
The top section of the screen displays the plot graph, including thefollowing information: The user-defined ID
 Sensor number with vibration units Peak vibration level and its associated RPM.
 The RPM range of the plot.
The bottom section of the screen displays four icons for selecting functions which are specific to this data
location:The plot setup icon
, including the data location number. Activating this icon (pressing OK) will
display the Plot Setup screen, allowing changes to the plot setup a new plot to be run for this data
location.
The harmonic cursor icon
. Activating this icon (pressing OK) will toggle on/off the display of
harmonic cursor in the plot graph area. This allows the user to see the vibration of the RPM marked by
the cursor as well as the multiples of that frequency on the screen.
The
USB output icon. Activating this icon (pressing OK) will output the data for the current plot.
The
Delete icon. Activating this icon (pressing OK) will delete the data for the current plot.

Press
and
to move the highlight selection between the top and bottom sections of the screen.
With the Plot section highlighted, press andto move the RPM cursor. The display values will follow.
With the icon section highlighted, press andto move the selection highlight from icon to icon, andpress OK to activate the indicated selection.
Press
Cancel to return to the Plot Selection screen.
Delete Plot Confirmation
The first screen is displayed when
Delete is activated for a
specific plot (from the Plot View screen).
The second screen is displayed when
Delete is activated for allplot data (from the Plot Selection screen).
On either screen press
Cancel or OK to exit without deleting.
To confirm
Delete action:



Press
Left to selectDelete confirmation.
Press OK to confirm deletion.

36 SBS System – SB-2000 Operation

USB Interface
The SB-2000 Balance Control provides a software interface via a Full Speed USB device. This interface
allows for firmware flash update of the control, or for export of Plot data to a connected PC.
Interfacing
The interface is a serial interface emulation which connects the Control to a Windows computer over USB.
When connecting via USB, Windows will assign a COM port to the control. If the SB-2000 is not
automatically assigned a COM port, a driver for Windows installation of USB-Serial communication isavailable on the SBS website at https://accretechsbs.com/. COM port assignment is controlled byWindows. The port assigned can be determined by viewing Windows Device Manager. Use HyperTerminalor other serial communications software to interact with the Control over USB connection.
U(uu:aa,n,id)

Grrr,v.vv

GE

This is the header line generated when the operator requests the plot data export from the
keypad. ‘uu’ is units (um, mm/s, or m/ss), ‘aa’ is amplitude mode (P, P-P, RMS). ‘n’ is thestorage location and ‘id’ is the user’s numeric text associated with the plot.
U(um:P-P,7,2012-07-08)<CR>
This is the data line generated for each plot point. There are over 150 data points in acomplete plot. ‘rrr’ is rpm and ‘v.vv’ is the associated vibration.
G1770,1.06<CR>
G1778,1.21<CR>
This indicates the end of the plot data.
GE<CR>

Hardwire Interface
Interfacing the SB-2000 with a CNC or PLC machine controller is supported via a hardwire interface. The
hardwire interface is provided via a standard DB-25 connector located on the rear panel. Because of themany possible variations and configurations of cabling required for such an interface, it is left to the operator
to supply the necessary cable.
When designing an interface for the SBS System, it is important to understand that the grinding
machine's controller must operate the SBS System. It is not possible for the SBS System to control thegrinding machine.
Carefully read this entire manual before attempting to interface the SB-2000 with any machine controller.
Hardwire Interface Overview
The hardwire interface consists of three sections: interface power supply, the inputs, and the outputs.
The interface power supply is provided exclusively for use with the hardwire interface inputs. It consists ofthree common pins and one output pin. The common pins are internally connected to chassis ground. The
output provides a maximum of 30 mA at approximately +15VDC. Any external power used for interface I/O
must be from a SELV (Safety Extra Low Voltage) source or supply.

SBS System – SB-2000 Operation 37

The three inputs provide noise immunity and robustness. The inputs are activated by being pulled high, either
by connection to the SB-2000 hardwire interface power supply output or by connection to a customer
supplied signal. Activating the inputs requires at least 8 mA at a voltage between 10 and 26 volts, AC or+DC, referenced to the SB-2000 hardwire interface power supply common. The common pins are internallyconnected to chassis and earth ground. The inputs are deactivated by removing the connection to the poweror signal source.
Hardwire Interface Connector
Standard for all SB-2000 models
CommonN/C
N/C
N/C
SIR Return
SIR Output
CommonFBSI Relay Contact - NC
BOT Relay Contact - NC
BOT Relay Contact - NO
FBSI Relay Contact - NO
BIP Relay Contact - NO

BOT2 Relay Contact - NO
BOT2 ReturnBOT2 Relay Contact - NC
FPI Input
Reserved (Do not use)
Reserved (Do not use)
Supply Output
N/C
BOT Return
FBSI Return
BIP Return
BIP Relay Contact - NC

CommonShell (Shield Gound)

The four primary outputs consist of optically isolated, solid state, single-pole/double-throw relays. These
relays may be used to supply an output signal by connection to a voltage source supplied by the customer.
The relay contacts are electrically isolated from all other circuits and are rated for 24 Volts DC or AC, 50
mA maximum. Inductive loads must be protected against flyback to 50VDC.
The three contacts of a single-pole/double-throw relay are referred to as “normally open”, “normally closed”
and “common”. The term “common” in this sense does not imply connection to power supply commons. The
term “return” is used below to indicate the common contact of the relay.
Input Pin Names and Functions
Pin#

Name

Description

17

FPI

Front Panel Inhibit- When active, key operator actions at the front panel keypad are
disallowed from the main screen. All ongoing activities are allowed to continue until the unit
returns to the main screen, except setup. () The activation of the FPI input while in setup
cancels the setup activity and returns to the main screen.

1

COMMON

Reference ground for input signals.

7

COMMON

Reference ground for input signals.

13

COMMON

Reference ground for input signals.

20+15VDC+15V DC Supply to be used only for input activation.

38 SBS System – SB-2000 Operation

Output Pin Names and Functions
Pin#

Name

Description

22
10
9

BOT-R,
BOT-NO
BOT-NC

Balance Out of Tolerance: Return, normally open, and normally closed contacts. This
relay is energized when the sensed vibration level exceeds the operator definedTolerance. Function of this relay during a balance cycle matches the SB-5500 ‘SB-2500’
setting.

15
14
16

BOT2-R
BOT2-NOBOT2-NC

Balance Out of Tolerance Two: Return, normally open, and normally closed contacts.
This relay is energized when the sensed vibration level exceeds the operator defined
Critical Tolerance, or when the spindle RPM exceeds the operator defined Critical RPM.
Function of this relay during a balance cycle matches the SB-5500 ‘SB-2500’ setting.

24
12
25

BIP-R
BIP-NO
BIP-NC

Balance In Progress: Return, Normally Open, and Normally Closed contacts. This relay
is energized while a manual balance operation is in progress.

23
11
8

/FBSI-R/FBSI-NO/FBSI-NC

Failed Balance/ System Inoperative: Return, normally open, and normally closed
contacts. This relay is energized after a successful Power On Self-Test or when the
power is disconnected. It is de-energized if a fault condition arises.

6
5

SIR
SIR-R

Spindle is Rotating. This relay closes to indicate the spindle is rotating. The user may set
a minimum RPM value for this function. The SIR relay function cannot be disabled.

Pins 2, 3, 4, 18, 19, and 21 are not connected.

SBS System – SB-2000 Operation 39

40 SBS System – SB-2000 Operation

BALANCE LIMIT

BOT LEVEL

BOT2 LEVELGRINDING OR
DRESSINGCYCLEVIBRATION
EXCEEDSTOLERANCEBIP RELAY

BOT2 RELAY1

BOT RELAYBEWEENGRINDING
CYCLESBEWEENGRINDING
CYCLES= RELAY CLOSED= RELAY OPENWHEEL BALANCED

0.2 MICRONS (minimum recommended)

ALLOW 2 SEC.
FOR RELAY TO OPEN

NOT APPLICABLE

SB-2000 BEHAVIORBALANCECYCLE IN
PROGRESSVIBRATION PLOT AT
SPINDLE FREQUENCYGRINDING OR
DRESSING
CYCLE

CNC/System Timing Diagram

BACKGROUND VIBRATION LEVELGRINDER ON

POWER UP
1

(ALLOW 5ms FOR RELAY TO OPEN)

INACTIVE SETTING - RELAY OPENS WHEN
BALANCE CYCLE STARTS

CNC/System Timing DiagramSystem Maintenance
RPM Sensor Cable (SB-18xx)
Supply(+) (Brown)

GND(-) (Blue)
Signal (Black)Control End
Circular DIN-12M
Pin View

RPM Sensor End
M12-4F Pin View

RPM Sensor Extension Cable (SB-19xx and SB-35xx)
Supply(+) (Brown or White)*

GND(-) (Blue or Black)*
Signal (Black or Red)** (2) versions of cable

RPM Sensor End
M12-4F Pin View

Control End
M12-4M Pin View

Vibration Sensor
SB-34xx - Control End
M12-4F Female
Pin View

BACKSHELLOUTER SHIELD

GND (Black)
Signal (Red)

SB-14xx - Control End
Circular DIN-5M
Pin View

SBS Return/Repair Policy
Accretech SBS, Inc. policy is to give highest priority to the service needs of our customers. We recognize
the cost of machine downtime, and strive to deliver same day repair of items arriving by overnight delivery
at our facility. Because of the complication and delays involved with international shipments, customers
outside the continental U.S. should contact their local SBS source for service support. Before returning any
equipment for repair, it is necessary for you to contact Accretech SBS, Inc. for a Return Materials
Authorization (RMA) number. Without this tracking number, Accretech SBS, Inc. cannot ensure prompt andaccurate completion of your repair needs. Failure to obtain an RMA number may result in substantial delay.

SBS System – SB-2000 Operation 41

Trouble Shooting Guide
This guide is designed to help you if you experience problems with your SBS Balance System.
Step 1ERROR MESSAGES. If the balance Control Unit is displaying any error messages, refer to theError Indications section of this manual for explanation of the message(s) displayed. Contact Accretech SBS,
Inc. for assistance as required. If reporting a service issue, please indicate the Error Code (letter) of any
displayed Errors.
Step 2
VIBRATION SENSOR. If no error messages are displayed, check the Vibration Sensor. Verify
that the Sensor is firmly seated on the machine, its magnet firmly tightened in place, and it is properly
connected to the Control Unit. Also check that the Sensor's position on the grinding machine accuratelyreflects machine balance (see: Vibration Sensor Location section).
As a final check, set the RPM manually on the Control Unit to the operating speed of the grinder, and verify
that there is an incoming vibration signal. If you receive a near zero reading from the Sensor after manuallysetting the RPM, the Vibration Sensor and Control Unit should be returned for repair. Contact Accretech
SBS, Inc. for a return materials authorization (RMA) number.
Step 3
If the control unit’s self-check shows no service problem with the SB-2000, then investigate
environmental/application issues. The background vibration level on the machine should be monitored underoperation, and the Balance Limit setting checked against this level. (see: Environmental Considerations
section)If you continue to have problems after following these steps, contact Accretech SBS, Inc. or your
SBS Balance System source for assistance.
Factory defaults
Holding the
button down during power-up resets all configurations back to factory defaults. To confirm
the default action, the display will show thescreen icon until the button is released. This action is notallowed if the FPI input is active on the CNC hardwire interface.
Defaults For System:

Defaults For Planes

Planes (Limit (0.40)

All Plot locations Empty.

Vibration Units (µm)

Tolerance (1.20)

ID (“2012-07-18”)

Amplitude (p-p)

Critical (20.00)

Sensor (Critical RPM (OFF)Balance Type (2 spread weights)

Vibration Units (Use System value)

1)

1,

2:

Defaults For Plot (Plot Setup):

1,

2 if System Plane is

Minimum RPM (OFF)Circumference (200.0)

Amplitude (Use System value)

Manual RPM (500)

Circumference Units (cm)Start RPM (1500)

Fixed positions (4)End RPM (6000)

Scale Direction (Same)

Mode (

Test Weight (0.1)
Weight Units (g)Add/Total Mode (+)

42 SBS System – SB-2000 Operation

Continuous)

2)Error Messages
The
screen icon is displayed when the error can be hidden manually by pressing the
The Error screen icon blinks for emphasis on these error screens.
Error
Code
E,
F,
G,
Z,
Y,
X,
W,
V

A,
B,
C,
D,
E,
F,
G

Messagebutton.

Description
Checked on initialization.
Each letter indicates a separate problem:
Can proceed:
E – Controller has older logic. Recommend
factory update.
F – Controller has PLL logic problem.
Recommend factory repair.
G – Missing Calibration. Recommend factory
update.
H – Checksum Error. Recommend flash update.
Cannot clear. Generally not to be found inreleased units. System cannot operate.
Z – Stack re-initialization not allowed. Try flash
update.
Y– Insufficient stack space. Try flash update.
X – FPGA not recognized. Requires factory
update.
W –FPGA not compatible. Requires factory
update or requires flash update with old code.
Checked continuously.
Clears automatically.
A – Vibration sensor is open, unplugged, or
faulty.
B – Vibration sensor is shorted or faulty.
C – Low +15V to RPM sensor and CNC
connector. Check sensor and/or cable forshort circuit. Check CNC connections for shortcircuit.
D – Unable to measure vibration. Control may
need repair.
Also from initialization:
E – Controller has older logic. Recommend
factory update.
F – Controller has PLL logic problem.
Recommend factory repair.
G – Missing Calibration. Recommend factory
update.
H – Checksum Error. Recommend flash update.

SBS System – SB-2000 Operation 43

Appendix A: Specifications
Physical Features
Display
Type: Color TFT LCD
Active area: 480H x 272V pixel
3.74 inch [95mm] x 2.12 inch [53.86mm]
Communication Interfaces
CNC/PLC Hardwire Interface (opto-isolated outputs)
USB 2.0
DC Supply: Input 22 VDC to 26 VDC.
0.5A max at 22 VDC.
Reverse voltage protected.
Power Connector:
SB-2000: Phoenix 1803578 or equiv.
SB-2000-P: M12-8pin Female
Environmental and Installation
Pollution degree 2
Installation category II
IP54, NEMA 12
Environmental temperature range: 5°C to +55°C

44 SBS System – SB-2000 Operation

Performance
RPM Reporting
30 to 100,000 RPM
Vibration Range
50 μg to 1.25g
Vibration Display Resolution
Four digit display, with display resolution to 0.0001 μm
Vibration Display Repeatability
6,000 RPM ±1% @ 5.0 μm
30 – 100,000 RPM ±2% @ 50:1 signal to noise
Vibration Display Accuracy
6,000 RPM ±2% @ 5.0 μm
30 – 100,000 RPM ±4% @ 50:1 signal to noise
Vibration Filter
Custom digital filter has bandwidth of+/- 7% of measurement at 0-40,000 RPM+/- 14% of measurement at 40,000+ RPM
Certifications
ETL and CE certified

https://accretechsbs.com/

Appendix B: Replacement Part List
SB-2000 (Dedicated Installation)

SB-2000-P (Portable Version)

RPM Sensors and Cables
SB-1800
RPM Proximity Sensor
SB-1802
RPM Optical Sensor
SB-18xx
RPM Sensor Cable, DIN-12M - M12-4F
SB-46xx
Extension Cable, DIN-12M - DIN-12F
CA-0173
Connector, DIN-12M (SB-18xx)
CA-0121
Connector, DIN-12M (SB-46xx)
CA-0122
Connector, DIN-12F (SB-46xx)

RPM Sensors and Cables
SB-1800
RPM Proximity Sensor
SB-1802*
RPM Optical Sensor
SB-1916*
RPM Sensor Cable 5m/ 16ft, M12-M12 -90°
SB-19xx
RPM Sensor Cable, M12-M12 -90°
SB-35xx
Extension Cable (M12-M12 straight)
CA-0236
Connector, M12-4F
CA-0238
Connector, M12-4M

Vibration Sensors
SB-14xx
Vibration Sensor w/ cable
SB-16xx
Sensor Extension Cable, DIN-5M - DIN-5F
CA-1112Connector, DIN-5 M (SB-14xx, SB-16xx)
CA-0113
Connector, DIN-5 F (SB-16xx)

Vibration Sensors
SB-34xx*
Vibration Sensor w/ cable
SB-35xx
Extension Cable (M12-M12 straight)
CA-0236
Connector, M12-4F
CA-0238
Connector, M12-4M

Control Options
SK-5005
Keypad Mount: Flush Panel Frame Kit
SB-24xx-L
Hardwire Interface cable

Miscellaneous
SB-1500*
SB-1799*
SB-1875*
MC-1502*
MC-1716*
MC-1804

Miscellaneous
MC-1716

Reflective Tape, 0.3m/ 1ft (for SB-1802)

Carry Case with foam inserts
RPM Sensor Stand (Magnetic Base)Power Supply w/ plug adapters
SBS Cable Wrap
Reflective Tape, 0.3m/ 1ft (for SB-1802)
Mount Clip: RPM sensor (part of SB-1799)xx in P/N = cable length in feet, e.g. SB-4611 = 11ft [3.5m]* Portable Balancer kit item (SB-2020 kit includes 1 SB-3420 Vibration sensor, SB-2040 includes 2)

SupportFor support, contact the machine builder or SBS at:
Accretech SBS, Inc.
2451 NW 28th Avenue
Portland, Oregon 97210 USA
Tel.: +1 503.227.7908
Fax: +1 503.223.1258
TechSupport@accretechSBS.com
https://accretechsbs.com/

SBS System – SB-2000 Operation 45

46 SBS System – SB-2000 Operation

DC Input
22-26 VDCGND Stud(SB-2000)

USB
DeviceStandard USB Cable
Customer Supplied

Sensor Extension Cable
SB-16xx DIN-5 (SB-14xx)
SB-19xx M12-4 90° (SB-34xx)
SB-35xx M12-4 (SB-34xx)

CNC Cable
SB-24xx-L

SB-2000

SB-2000-P

Sensor 1
SB-14xx DIN-5 (SB-2000)
SB-34xx M12-4 (SB-2000-P)

BOT

SB-2000 DIN -12
SB-2000-P M12-4+15V DC OUT

BOT2HALL EFFECT
RPM SENSOR

Customer CNC / PLC

Use SB-2000 or
Customer Supplied PowerFPI INPUT

N/C = Do Not Connect

Customer
Supplied
10-26V
AC or +DC

Sensor 2
SB-14xx
SB-34xxBIP

SIR

24V AC or DC 50mA Maximum
Inductive Loads Require Protection

FBSI

RPM Sensor
SB-1800 Proximity
SB-1802 Optical

RPM Extension Cable
SB-46xx DIN-12
SB-19xx M12-4 90°
SB-35xx M12-4

Appendix C: System Connection Diagram