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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/

You can download the latest manuals from the following website:

IM 77J01B03-01E

1st Edition Aug. 2021 (YK)

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 VJB3 AC Converter (User’s Manual)

IM 77J01B03-01E

(This manual)

Model VJB3 AC Converter (General Specifications)

GS 77J01B03-01E

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 PACKAGE

(1) Checking the Model and Product Specifications

  Check that the model and specifications indicated on the 

nameplate attached to the main unit are as ordered.

(2) Packaged Items

  Check that the package contains the following items:

 •

VJB3: 1 unit

 

Standard Accessories: 

 •

Tag number label: 1 sheet

 •

Socket (T9093FL): 1 piece 

 

(when /SN option is not specified.)

 •

User’s manual (IM 77J01B03-01E, this manual): 1 copy

 •

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

GENERAL

The VJB3 is a compact, plug-in type AC converter that receives 

sinusoidal AC voltage or sinusoidal AC current signal and 

converts it into isolated DC voltage or DC current signals.

MODEL AND SUFFIX CODES

Model

Suffix codes

Description

VJB3

-0

x x -x x x

0

/x

AC Converter (RMS)

Fixed code

-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

-1

AC current signal

-2

AC voltage signal

Output-1 signal

A

4 to 20 mA DC

B

2 to 10 mA DC

C

1 to 5 mA DC

D

0 to 20 mA DC

E

0 to 16 mA DC

F

0 to 10 mA DC

G

0 to 1 mA DC

1

0 to 10 mV DC

2

0 to 100 mV DC

3

0 to 1 V DC

4

0 to 10 V DC

5

0 to 5 V DC

6

1 to 5 V DC

7

−10 to +10 V DC

Z

Custom order 

*3

Output-2 signal

A

4 to 20 mA DC

6

1 to 5 V DC

N

No output-2

Z

Custom order 

*3

Fixed code

0

Always 0

Option

/SN

No socket (with socket if not 

specified)

/C0

Coating 

*4

/FB

Fuse bypass 

*4

*1 Operating range: 85 to 264 V AC/DC

*2 Operating range: 12 to 36 V DC 

*3 DC voltage signal or DC current signal

*4  When option code /C0 or /FB is specified, the conformity to the safety 

and EMC standards is excluded. CE marking is not applicable.

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.

Model VJB3

AC Converter (RMS)

(Isolated Single-output and

Isolated Dual-output Types)

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