Automatic balancing recorder

Uni-Coder
Ｕ－８４１
SPECIFICATIONSSpecifications are subject to change without notice．
Drawing number

ＰＡＮＴＯＳ ＣＯ．，ＬＴＤ

841-00-0001DAmendment

１ ． OUTLINE
The uni-corder U-841 is the recorder of a pen writing system, and is the series product of U-1641.
By 4-8 channels, the input part has adopted the unit system.

２ ． SPECIFICATIONSBasic Specifications
Model：

U-841

Channel：4 to 8

Recording method：

Auomatic balancing system （ digital servo system ）Type or input unit：

Plug-in type （ 2channels for 1unit ）Reference point：

Right end of chart paper

Recording pen：A felt-tip pen ( Recording length approx.5km)

Effective recording width：

250mm

Pen interval：

4mm

Pen name：

NDL- ＊ ＊Accuracy：±0.25% of （ measurement accuracy and effective recording width ）Recording（ Incuding linearity and bead band ）Pen speed：

Approx.1600mm ／ s

Synchronizer：

ON ， OFF

Measurement ON ／ OFF：

Each channel individuallyChart paper：

Roll paper 〔 №25020P50 (50m) 、 №2501P50 (20m) 〕

Chart speed：

10 to 2400mm

Resolution of time axis：

0.05mmSampling speed：

4msecRapid chart drive：

2400mm ／ min （ Reverse rotation not allowed ）Accuracy for chart drive：±0.1% （ at a recording length over 1m ）Chart end detection：

Provided

Swing-out protection：

Signal limiter

Paper winding-up：

Equipped （ option ）Superimposed marker：

Operate by operation switch.

20date ／ 1mm／ min ， ／ h

Set at every 1mm（ pen up ， feed stop ， signal OFF ， end indication ）Operate by external remote.
Link with ON ／ OFF of synchronizer.
Amplitude：

Approx.10mm

ON time：Approx.50ms

Auto pen cap：

Pen is automatically stored at the specifed position on power OFF andmeasurement OFF.

Drawing number

841-00-0001DPagePANTOS CO.，LTD

1/7Amendment

PrintingPrinting method：

Wire dot-impact method

Ink ribbon：

Cassette method （ black ） ， Model

Printing speed：

Approx. 1.5sec ／ line

5×7dots
P1101

Contents of printing

M o d eTime Inputvalue

S t a t u s○

M a n u a l

○

St

○

Chart speed○SC○

L i m i t e r○

L o g g i n g
S c a l e○○taYr
N

S t a t u sm o d e：

Range

SYNC

○○

Limiter

Limitervalue

Chart speed

Comment○○○
○

○
○

○
○
○
○
Printing the setting conditions.
Range ， SYNC ON or OFF ， Limiter value ，Comment （ Max 60 characters ， 3kinds ）Manualm o d e：Prints time and Measured value for all channels

S t a r t

m o d e：Prints time ， SYNC ON or OFF ， Chart speed

C h a r t s p e e d m o d e：

Prints chart speed and Time after chart speed was changed.

S Y N Cm o d e：Synchronizer ， time of ON / OFF ， ON, OFF display

Limiterm o d e：Prints Channel No. and ON or OFF time

L o g g i n g m o d e：

Prints Time ， Chart speed ， Channel No. ， measured value and unit at constant.
When logging mode is set to ON, printing is possible even if the paper drive isstopped.
Relation between paper drive speed and a standard printing interval.
Chart speedInterval

10mm/sec or more

30 sec5mm/sec to 9mm/sec

1 min

1mm/sec to 4mm/sec

5 min

30mm/min to 59mm/min

10 min10mm/min to 29mm/min

30 min5mm/min to 9mm/min

1 hour

1mm/min to 4mm/min

2 hour

40mm/h to 59mm/h

3 hour

20mm/h to 39mm/h

6 hour

10mm/h to 19mm/h

12 hour

CHART SPEED is fixed, and it is changeable and as for the interval.

Drawing number

841-00-0001D

Page

PANTOS CO.，LTD

2/7

AmendmentRelation between chart drive speed and the minimum printing interval
Chart speed

S c a l em o d e：Intervaltime of mm/sec

5 sec

50 mm/min

6 sec

40 mm/min

7 sec

30 mm/min

10 sec20 mm/min

15 sec10 mm/min

30 sec5 mm/min

1 min

2 mm/min

2 min

1 mm/min

5 min

50 mm/h

6 min

40 mm/h7 min

30 mm/h10 min20 mm/h15 min10 mm/h30 minPrintes the range scale when a fixed amount of chart paper is fed.
Printing interval varies according to chart speed.

Chart speed

Printing interval

40mm/sec to 10mm/sec

1200mm9mm/sec to 5mm/sec

600mm

4mm/sec to 10mm/hour

300mm

Display
Display：EL display

5inchs320 × 256 dots
Display mode

： （ １ ） Range display ， Simultaneous display for all channels（ ２ ） Digital measurement value display
6 digits （ Mark ， Measurement data ， Decimal point ）Date ， Chart speed（ ３ ） Wave（ ４ ） AUX （ Optional screen ）Limiter ， Chart feed trigger ， Scaling （ Physical amount ） ，Time ， Tag name ， Rogging printing ， Pen adjustment ，Comment ， Print ， ICcard ，Floppy disk （ option ） ，Interface （ option ）Drawing number

841-00-0001D

Page

PANTOS CO.，LTD

3/7

Amendment

Limit switch （ Output is option ）Number of level：2-level （ Each channel ）Type：

Maximum

Alarm：

The warning buzzer sounds if it exceeds the limit value. With ON/OFF function

Output (option)：

2 contact point ／ ch ， Photo-MOS output ， Max 8channels

Minimum

Capacity of contact ： DC400V （ DC ＋ AC peak ） 0.1A

Chart feed trigger
Remote mode：

Paper is fed by turning on the remote mode.

Trend：

Number of speeds ： 3 （ 3stage are set. ）：Range -10000 to +10000 （ decimal point ， arbitrary setup ， arbitrary unit ）Operation
Scaling

GP-IB interface （ Option ）Standard：

Based on IEEE std 488-1978

Mode：

Both input and output of setting value and measured value.

RS-232C interface （ Option ）Standard：

Based on EIA RS-232C

Mode：

Both input and output of setting value and measured value.

Transmission speed：

1.2K ， 2.4K ， 4.8K ， 9.6K bps

Function：Set value

Capacity：

8Kbytes （ 8file ）Model：

BS-8D1-A-262

Battely：

2016 series

IC memory card

"NO BATTELY" is displayed when there is no battery.
LifeMore than 5 years(at 25 ℃ ， and state that the battery is removed from the mainframe.
Memory item：

The BR2016 is used In this case.)

１ ． Setup of input amplifier and chart drive （ INPUT ）２ ． Setup of a waveform display （ MONITOR ）３ ． Setup of a limiter４ ． Setup of a chart drive trigger
５ ． Setup of scaling
６ ． Setup of a tag name
７ ． Setup of rogging printing
８ ． Setup of a commentFloppy disk （ Option ）Media：

3.5Inch2HD

Format：MS-DOS

Data capacity：

1.2Mbytes （ Approx.500Kdate ）Drawing number

841-00-0001DPagePANTOS CO.，LTD

4/7

Amendment

１External remote： TTL Level

Type of signal： Transistor

Switch： Contact signal
Following functions can be operated from the external devices ： operation panel and OR.
： Start-up ・ Stop

Chart paper feedFalling↓→ Start-up

Rising↑→ Stop （ The signal for 3ms or less is not answered ）Chart paper rapid feed ： Start-up ・ Stop （ Feed ）L→Start-up

H→StopSelect of clock forchart paper feed

： Select the external clock or internal clock
Chart paper can be fed in synchronization with the external clock.

External clock input

L→

External

H→Stop： 50µm ／ 1clock

TTL

Maximum frequency

800Hz

Minimum pulse width

10µs： Simultaneously for all channels

Weight marker

L↓

→

ON

Chart drive： Used when operating the units in parallel.

Synchronous output： 1clock ／ 50µmTTL

U-841

U-841

Synchronous

External clock input（ Select of clock ： L ）output： Prints the setting items for printing ON.

Manual printingL↓→Print

Masurement ON / OFF ： Simultaneously for all channels
Falling ↓ → Masurement ONRising↑ → Masurement OFF（ Not respond to the signal for 5ms or less ）External remote

２ （ option ）EXT.

Chart speed ①EXT.

Chart speed ②

Built-in clock
Accuracy：± 4 sec.per (TYP.)

Record beam：

NNyearDrawing number

NNmonth

841-00-0001D

NNdayPage

PANTOS CO.，LTD

NNtimeNNpart5/7

NNsecond （ A.D. ）Amendment

Back-up
Item：

Each setup ， Built-in clock

Battery：

TWO lithium batteries ， Built-in the body

Memory time：

Approx. 1 month （ 25 ℃ ）：All pens move to pen rest when the power is turned OFF.

OperationPen lift

（ All pen simultaneous operation type ）・ Masurement ON ／ Off-switch
Masurement OFF → Pen up → Pen rest
（ During this operation, pens other than the one that is in the measure OFF
operation does not wave. ）Masurement ON → Pen up → Moves to recording position. → Pen down
（ During this operation, pens other than the one that is in the measure OFF
operation does not wave. ）General specifications
Voltage proof

Insuration resistance： Power supply pair Between chassis （ GND ）AC 1500V

For 1 minuteAnalog input pair Between chassis （ GND ）AC 500V

For 1 minuteBetween analog each input

AC 500V

For 1 minute： Power supply pair Between chassis （ GND ）Above 100MΩ
With DC500V megger

Control input-and-output pair Between chassis （ GND ） Above 20MΩ
With DC250V megger
Analog input pair Between chassis （ GND ）Above 100MΩ
With DC500V megger

Operating environment： Temperature

5 to 45 ℃

Hummidity

35 to 80 % RH

Storage environment： Temperature-5 to 50 ℃

Hummidity

35 to 80 % RHVibration： 5 to 50Hz

Less than 0.1G

Shock

： It does not approve.

Power supply： AC 90 to 132V ／ 170 to 265V （ Changeover by switch ）47 to 440Hz
DC 9V to DC 16V （ Option ）Power consumption： Max

4pen 250W
6pen 250W
8pen 250W
4pen 140W
6pen 145W
8pen 150W

At baamced

typ.
typ.
typ.
typ.
typ.
typ.

Maximum becomes 20% rise of typ value.
Dimension： Approx 438 (W) × 255 (H) × 440 (D) mm

Mass： 4ch

Drawing number

16.5kg（ Including input unit ）6ch

18kg（〃）

8ch

19.5kg（〃）841-00-0001D

Page

PANTOS CO.，LTD

6/7

Amendment

Accessories
Power code

１

Paper （ 20m ） №2501P50

１

Ribbon cassette

１P1101

１

IC memory cardPen （ each color ）Drawing number

１

NDL-**

Dust cover１

5A fuse （ built in type ）１

Input cover１

Input coverstay

２

Dropping pipet

１

Frounding adapter

１

External remote connector （ 57-30360 ）１

Insutruction manual

１841-00-0001D

Page

PANTOS CO.，LTD

7/7

Amendment