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Model VJQ7

Analog to Pulse Converter 

(Multi-function)

(Isolated Single-output and Isolated 

Dual-output Types)

IM 77J01Q17-01E

6th Edition July 2023 

CAUTIONARY 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. Number 

Precautions on the Use of the JUXTA Series (User’s 

Manual)

IM 77J01A00-91Z1

Model VJQ7 Analog to Pulse Converter (User’s 

Manual)

IM 77J01Q17-01E

(This manual)

Model VJQ7 Analog to Pulse Converter (General 

Specifications)

GS 77J01Q17-01E

User’s manuals in the above table are essential parts of the 

product; keep it in a safe place for future reference.

This manual is intended for the following personnel;   

 •

Engineers responsible for installation, wiring, and maintenance 

of the equipment.

 • Personnel responsible for normal daily operation of the 

equipment.

The following symbol is used on the product and in this manual to 

ensure safe usage.

 WARNING

Calls attention to actions or conditions that could 

cause serious or fatal injury to the user, and indicates 

precautions that should be taken to prevent such 

occurrences.

 CAUTION

Calls attention to actions or conditions that could 

cause injury to the user or damage to the instrument 

or property and indicates precautions that should be 

taken to prevent such occurrences.

QR Code

The product has a QR Code pasted for efficient plant 

maintenance work and asset information management.

It enables confirming the specifications of purchased products 

and user’s manuals.

For more details, please refer to the following URL.

https://www.yokogawa.com/qr-code

*  QR Code is a registered trademark of DENSO WAVE 

INCORPORATED.

CHECKING PRODUCT SPECIFICATIONS 

AND THE CONTENTS OF PACKING

(1) Model Number and Specification Check 

  Check that the model number and specifications shown on the 

nameplate attached on the side of the product are as ordered. 

(2) Contents of the Packing

  Check that the packing contains the following items: 

 • VJQ7: 1 unit 

  Standard Accessories:

 • Tag number label: 1 sheet

 • Range label: 1 sheet

 •

Socket (T9093FL): 1 piece 

 

(when /SN option is not specified.)

 • Shunt resistor(E9786WD):1 piece 

(

only when current input is specified)

 • User’s manual (IM 77J01Q17-01E, this manual): 1 copy

 • User’s manual (IM 77J01A00-91Z1): 1 copy

GENERAL 

This compact plug-in analog-to-pulse converter converts DC 

current or DC voltage signals into various isolated pulse outputs.

MODEL AND SUFFIX CODES

Model

Suffix codes

Description

VJQ7

-0

x x -x x x

0

/x

Analog to Pulse Converter 

(Multi-function)

-0

Always -0

Output

1

1 output

2

2 outputs

Power supply

6

100-240 V AC/DC 

(*1)

7

15-30 V DC 

(*2)

Input signal

-A

0 to 50 mA DC, span is 5 mA 

or more

-1

−10 to +10 V DC, span is 0.1 V 

or more

Output-1 signal

1

Open collector (30 V DC/200 mA)

3

Contactless AC switch 

(*3)

5

Voltage pulse (5 V ±10%)

6

Voltage pulse (12 V ±10%)

7

Voltage pulse (24 V ±10%)

Output-2 signal

1

Open collector(30 V DC/200 mA)

3

Contactless AC switch 

(*3)

5

Voltage pulse (5 V ±10%)

6

Voltage pulse (12 V ±10%)

7

Voltage pulse (24 V ±10%)

P

Communication function 

(RS485)

T

Alarm output (2 relay contacts)

N

No output-2

0

Always 0

Option

/SN

No socket (with socket if not 

specified)

/C0

Coating 

(*3)

/FB

Fuse bypass 

(*3)

*1 Operating range: 85 to 264 V AC/DC

*2 Operating range: 12 to 36V DC

*3 When specifying contactless AC switch and suffix codes /C0 or /FB, CE 

marking is not applicable because the product does not conform to safety 

and EMC standards. 

Note: An exclusive User’s Manual might be attached to the 

products whose suffix codes or option codes contain the code 

“Z” (made to customers’ specifications). Please read it along 

with this manual.

User’s

Manual

1

Thank you for purchasing the JUXTA Signal Conditioner.

Please read through this manual before use for correct handling.

2-9-32, Naka-cho Musashino-shi, Tokyo 180-8750 Japan

Phone: +81-422-52-7179  Facsimile: +81-422-52-6793

http://www.yokogawa.com/ns/juxta/im/

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