LCC11 シリーズ
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LCC11 SeriesCompression Load Cells

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Instruction Manual

1WMPD4000448B
MSAWT001

ﾍﾟｰｼﾞ 1English
1. Precautions
This is a caution mark.

Note

Important information that helps users to operate the product.
All rights reserved.
This manual is subject to change without notice at any time to improve theproduct. No part of this manual may be photocopied, reproduced, or translated
into any language in any form by any means without the written permission ofA&D Company, Ltd.
2004

Product specifications are subject to change without any obligation on the partof the manufacturer.

2. LCC11 Series Compression Load Cells
The Type with Pre-Installed Accessories
Accessories are a bearing plate with upper socket and a mounting plate withlower socket.
LCC11T010-K(Rated capacity 100 kN )LCC11T020-K(Rated capacity 200 kN )LCC11T030-K(Rated capacity 300 kN )The Type without Accessories
LCC11T010N-K
LCC11T020N-K
LCC11T030N-K(Rated capacity 100 kN )(Rated capacity 200 kN )(Rated capacity 300 kN )3. Introduction
The LCC11 series are high-performance, double convex compression load cells
and have flexibility of use for truck scale weighing systems and hopper scales.
The rated capacity range is from 100 kN to 300 kN. The LCC11 series can beused in severe environments equivalent to IP68. The load cell, considering
installation and maintenance, is designed to be compact and lightweight, and isconstructed using a hermetic stainless steel case.
Consider the system design and installation carefully because for precision
weighing, the load cell is more sensitive. Read this instruction manual carefully,
for correct installation and precision weighing.

-1-4. Specifications
Rated capacities.....................................100 kN, 200 kN, 300 kN
Rated output...........................................2mV/V±0.1%
Maximum safe overload .........................200%R.C.
Combined error ......................................±0.016%R.O.
Zero balance ..........................................±1%R.O.
Compensated temperature range...........-20°C ~ 60°C
Minimum excitation voltage ....................5VDC
Recommended excitation voltage ..........5 ~ 12VDC
Maximum excitation voltage ...................15VDC
Input terminal resistance ........................800Ω±80 Ω
Output terminal resistance......................2200 Ω±10 Ω
Insulation resistance...............................Greater than 5000M Ω at DC50V
Temperature effect - Zero.......................0.019%R.O./10°C Typ.
Temperature effect - Span......................0.010%R.O./10°C Typ.
Cable diameter/ length ...........................φ8/ 12m
Dustproof/Waterproof .............................IP68 (100h at 1.5m immersion)
Cable connection color
Red................................................Excitation + (Input)
White .............................................Excitation - (Input)
Green ............................................Signal +(Output)
Blue ...............................................Signal (Output)
Yellow............................................Shield

5. Installation
This section describes the installation of "the type with pre-installed accessories" asstandard type. Refer the following procedure to install "the type without accessories".
CautionConsider the installation and weighing system design to use the LCC11 series,
because it is very sensitive and high response.
Concerning "the type with pre-installed accessories", remove the support
pillar before loading anything on it.

Step 1

Design the layout of the load cell cable.
Remove the upper socket and rotate the load cell to arrange the direction of the loadcell cable before installation.
Upper socket
Lift up
Bearing plate
Support pillar
Load cell

Support pillar

Mounting plate-2-

Lift the upper socket andarrange the direction of
the load cell cable before
installation.
It is available to remove
the load cell from bothplates.

Step 2

There are rotation stopper pins on the load cell. Insert each pin into the guide of thelower socket. Arrange the direction of the load cell cable along a wider movement of
the bearing plate to prevent interference between these pins and the lower socket.
Example: For a truck scale, arrange the cable direction along to a vehicle direction.
Lower socket

Load cell cable
GuidesGuidesRotation stopper pins
Step 3Insert each pin into the guide.

Wider movement(Ex.: vehicle direction)

For the unit that the load cell, mounting plate and bearing plate are assembled,
confirm that the load cell is vertical during temporary binding. Fix the unit with M16
bolts and spring washers and remove these support pillars.

M16 boltand spring washer
Remove support pillars.
Confirm vertical of loadcell. Fix all bolts of plates
after the trimming.

Adjust position attemporary binding.

Step 4

Adjust the vertical of the load cell using the mounting and bearing plates.
Measure the vertical at least two points 90 degrees apart.
Tolerance of incline is 0.5 degrees.

Step 5

Install bolts on the mounting and bearing plates, when the load cell is vertical.
Recommended torque is as follows:
Normal bolt:
100 N•m
High-tension bolt: 200 N•m
Toothed washer
Connect grounding
Fix with allen headwires as follows:bolts M8x12 that are
Load cellused for support pillars.
Earth Terminal

Step 6Grounding wire
φ5.5x30cm
Grounding wire
φ2x20cm

Toothed washer-3-6. Socket Shapes
When you make sockets, use the following drawing.
The hardness of the socket is HRC32 to 38.
More than 5
Make 2 guides at least

R8
Taper 5°More than 5
Bottom φ44 +0.2
0Bottom φ35 +0.2
0R86.3S

Taper 10°

6.3S

Depth 10±0.3

Depth 22±0.3

1.54

7. Caution
Design the structure to install the load cell strong enough to withstand the load.
Make the foundation structure at the load cells, strong enough to support them.
Confirm the following about the base plate of the structure that load cells are
installed on.
Level between each base plate:Within 3mm
Self-level of each base plate:Within 1/500
When a weighing system of pit type is constructed, provide a drain system forwater that gets into the pit. Submerging the load cell will cause it to malfunction.
Provide the pit bottom with a slope of at least 1/100.
Provide a drain pipe, reservoir, or pump.
Protect the load cell from direct sunlight, rain and splash, when the system isinstalled in the open air.
Attach stoppers to prevent excessive motion. Allow a maximum clearance of 5mm. The recommended clearance is 2 to 3 mm.
Leave some slack in the load cell cable so that it will not be pulled.
Install the load cell cable using conduit or flexible tubing.
Separate the load cell cable from any power line.
Do not remove any extra load cell cable to maintain temperature compensation.
Connect the wiring correctly.
Red .......... Excitation+ (Input)
White........ Excitation- (Input)
Yellow ...... Shield

Green .......Signal+ (Output)
Blue ..........Signal- (Output)

Turn off the indicator and other instruments before attaching the load cell.
Check the excitation voltage before operating the load cell.
-4-

Do not input any excessive excitation voltage above the tolerance, it will cause
damage to the load cell.
Avoid shock and overload to the load cell.
Use lubricant between the load cell and sockets.
When the welding is executed, ground the earth line and disconnect the loadcell cable from the indicator to protect the load cell and indicator from thewelding current.
Example of truck scale
Make the foundations carefully. Build the scale pit structure exactly.
Stopper

Use steel conduit and flexible tube for load cell cableStopper
Maximum clearance: 5mm
Recommended clearance: 2 to 3mm
Reinforce plate
Base plate
Mutual level error: within 3mm
Self level: within 1/500
Slope of bottom: more than 1/100

8. MaintenanceCheck the following items for the load cells maintenance.
Is there the appropriate clearance?
Is there a foreign substance such as mud at the clearance?
Is there water or other puddle liquid in the pit?
Is there foreign substance on the load cell, mounting plate and bearing plate?
Are there loosened bolts?
Is there a slack in the load cell cable?
Is there a connection problem?
Is there any current leakage?

-5-9. Dimensions
The Type With Pre-Installed Accessories

200±1140

100150±18-φ20
Both plate

Grounding terminal M4
Load84
φ7228474236 1212Upper dust cover

199±1103

4-wire shield cable

Dust cover
108

12 36

100

PT-1/2

φ72
φ94

φ99

Support84

The Type Without Accessories
Grounding terminal M4
Load84
φ3414.51230
4742135±0.5
37.5
83754-wire shield cable

1783

PT-1/23

φ43
φ94

4Rotation stopper pin φ10Support-6-3-23-14 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013 JAPANTelephone: [81] (3) 5391-6132
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