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Parameter Display Item

B

DISPLAY2

Display 2

*2

B01

INPUT1

Input value 1

B09

OUTPUT1

Output value 1

B10

OUTPUT2

Output value 2

B15

ALM1 STATUS

Alarm-1 status

B16

ALM2 STATUS

Alarm-2 status

B60

SELF CHK

Self-check result

D

SET (I/O)

Setting (I/O)

*2

D01

TAG NO.1

Tag no. 1

D02

TAG NO.2

Tag no. 2

D03

COMMENT1

Comment 1

D04

COMMENT2

Comment 2

D07

SENSOR TYPE

Input sensor type

D08

TC TYPE

Thermocouple type

D09

RTD TYPE

RTD type

D21

UNIT

Temperature unit

D24

INPUT1 L_RNG

Input 1 low range

D25

INPUT1 H_RNG

Input 2 high range

D32

OUT1 L_RNG

Output-1 low range

*3

D33

OUT1 H_RNG

Output-1 high range

*3

D34

OUT2 L_RNG

Output-2 low range

*3

D35

OUT2 H_RNG

Output-2 high range

*3

D39

BURN OUT

Burnout

D40

LINEARIZE

Linearize (mV)

D50

OUT1 DR

Direction of output-1 action

D51

OUT2 DR

Direction of output-2 action

D57

S/W FILTER

Software filter

D59

NMRR

Frequency setting

*3

D60

SELF CHK

Self-check result

E

SET (I/O)

Setting (alarm output)

*2

E01

SET POINT1

Alarm-1 setting (Temperature)

E02

SET POINT2

Alarm-2 setting (Temperature)

E03

SET POINT1

Alarm-1 setting (%)

E04

SET POINT2

Alarm-2 setting (%)

E05

ALM1 ACTION

Direction of alarm-1 action

E06

ALM2 ACTION

Direction of alarm-2 action

E07

HYSTERESIS1

Alarm-1 hysteresis (Temperature)

E08

HYSTERESIS2

Alarm-2 hysteresis (Temperature)

E09

HYSTERESIS1

Alarm-1 hysteresis (%)

E10

HYSTERESIS2

Alarm-2 hysteresis (%)

E11

ON DELAY1

Alarm-1 ON delay setting

E12

ON DELAY2

Alarm-2 ON delay setting

E13

OFF DELAY1

Alarm-1 OFF delay setting

E14

OFF DELAY2

Alarm-2 OFF delay setting

E15

RL1 ACTION

Direction of alarm-1 relay action

E16

RL2 ACTION

Direction of alarm-2 relay action

E60

SELF CHK

Self-check result

F

SET(COM)

Setting (communication)

*2

F01

PROTOCOL

Communication protocol

F02

ADDRESS

Address

F03

BAUD RATE

Baud rate

F04

PARITY

Parity

F05

DATA LEN

Data Length

F06

STOP BIT

Stop bit

F07

INPUT DEC PT

Decimal point position of input

F60

SELF CHK

Self-check result

P

ADJUST

Adjustment

*2

P01

WIRING R

Wiring resistance correction

P04

IN1 ZERO ADJ

Zero adjustment of input-1

P05

IN1 SPAN ADJ

Span adjustment of input-1

P30

OUT1ZERO ADJ

Zero adjustment of output-1

P31

OUT1SPAN ADJ

Span adjustment of output-1

P32

OUT2ZERO ADJ

Zero adjustment of output-2

P33

OUT2SPAN ADJ

Span adjustment of output-2

P60

SELF CHK

Self-check result

Q

TEST

Test

*2

Q01 RJC

ON/OFF of RJC

Q04

OUT1 TEST

Forced output (output-1)

Q05

OUT2 TEST

Forced output (output-2)

Q10

ALM1 TEST

Forced output (alarm-1)

Q11

ALM2 TEST

Forced output (alarm-2)

Q60 SELF  CHK

Self-check result

*1

The Status is displayed for service personnel to see history 

records.

*2

There are items not displayed depending on what input 

sensor type and output-2 are specified.

*3

The parameters are the items to be set at the factory.

8.  MAINTENANCE

The product enters the operable status as soon as the power is 

turned on, but requires 10 to 15 minutes of warm-up to meet the 

performance requirements.

8.1  Calibration Apparatus

 •

A voltage and current generator (YOKOGAWA GS200 or the 

equivalent): 1

 •

6-dial decade resistance box (YOKOGAWA 279301 or 

equivalent): 1

 •

Digital Multimeter (YOKOGAWA 7561 or equivalent): 1

 •

Precision resistor of 250 

 ±0.01%, 1 W: 1 

 • Setting tool for adjustment (Refer to "4.2 Connector for 

Communication" in this manual.)

8.2  Calibration Procedure

1. 

Connect the instruments as shown in figure below.

 

A voltage 

and 

current 

generator

6-dial 

decade 

resistance 

box

RTD Input

Power Supply

TC, mV Input

R: 250 

 precision resistor for

     current output

10

11

3 2 1

4

5

6

7

8

9

A

B

B

3

1

4

3

1

DMM

DMM

DMM

DMM

2

5

Output 2

R

+

2

5

Alarm 1

ALM1
(N.O.)

COM

+

6

5

Alarm 2

ALM2
(N.O.)

COM

+

7

9

Output 1

R

+

11

10

8

L

+

N

GND

2.  For TC input

 •

Turn off the RJC through the setting tool.

 •

Use the DC voltage/current standard and apply input 

signals (electromotive force) equivalent to 0, 25, 50, 75, 

and 100% of the input to the converter.

For RTD input

 • Use 6-dial decade resistance box and apply input signals 

(resistance value) equivalent to 0, 25, 50, 75, and 100% of 

the input to the converter.

For mV input

  Use the DC voltage/current standard and apply input 

signals equivalent to 0, 25, 50, 75, and 100% of the input 

span to the converter.

3. 

Check to see the corresponding output voltages are 0, 25, 50, 

75, and 100% respectively and within the specified accuracy 

rating. (“R” is used for current output.)

For alarm output, check the relay action by the alarm indicator 

lamp or resistance of output terminals.

 •

When adjusting the output signal, use the VJ77 parameter 

setting tool.

For adjustment using a setting tool, refer to the User’s Manual for 

setting tool and “7. LIST OF PARAMETERS” in this manual.

User’s Manual for VJ77 [Document No.: IM 77J01J77-01E]

5

IM 77J01U07-01E 10th Edition

Summary of Contents for Juxta VJU7

Page 1: ...TIONARY NOTES FOR SAFE USE OF THE PRODUCT This User s Manual should be carefully read before installing and operating the product Please keep this User s Manual for future reference For more information of the safety precautions please refer to the Precautions on the Use of the JUXTA Series IM 77J01A00 91Z1 The related manuals and general specifications are shown in the table below Doc Name Doc Nu...

Page 2: ...ing or damage Before turning on the power ensure the following Power supply voltage and input signal value applied to the product should meet the required specifications The external wiring to the terminals and wiring to ground are as specifications Wiring should be connected to the terminals on the socket of the product The terminals for external connections are of M3 screws Use crimp on terminal...

Page 3: ...7 select the RTD type to use in D09 RTD TYPE Furthermore for thermocouple or RTD input select the temperature unit in D21 UNIT 5 1 2 Input Range Set the 0 value of input range in D24 INPUT1 L_RNG and the 100 value of input range in D25 INPUT1 H_RNG numerically within the following specified range Input type TC Measurable range C JIS C 1602 IEC 60584 1 ITS 90 TYPE K 270 to 1372 JIS C 1602 IEC 60584...

Page 4: ... delay time from the establishment of return to normal conditions to its output Setting range 0 to 999 seconds Setting resolution 1 second However about 0 2 second is to be added to the set time to prevent wrong operation For example when an alarm ON delay is set to 1 second alarm output is generated if alarm status continues for 1 second or more after the input value exceeds the alarm setpoint Fu...

Page 5: ...n adjustment of output 2 P60 SELF CHK Self check result Q TEST Test 2 Q01 RJC ON OFF of RJC Q04 OUT1 TEST Forced output output 1 Q05 OUT2 TEST Forced output output 2 Q10 ALM1 TEST Forced output alarm 1 Q11 ALM2 TEST Forced output alarm 2 Q60 SELF CHK Self check result 1 The Status is displayed for service personnel to see history records 2 There are items not displayed depending on what input sens...

Page 6: ...llation Appliances portable equipments etc III CAT III For measurements performed in the building installation Distribution board circuit breaker etc IV CAT IV For measurements performed at the source of the low voltage installation Overhead wire cable systems etc EMC standards CE EN 61326 1 Class A Table 2 EN 61326 2 3 The instrument continues to operate at a measurement accuracy of within 20 of ...

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