YOKOGAWA JUXTA MA1, User Manual

Model MA1

Distributor

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.

The related manuals and general specifications are shown in the 

table below.

Doc. Name

Doc. Number 

Model MA1 Distributor (User’s Manual)

IM 77J04A01-01E

(This manual)

Model MA1 Distributor (General Specifications)

GS 77J04A01-01E

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:

 •

MA1: 1 unit

Standard Accessories: 

 •

Spacer (used for DIN rail mounting): 1 piece

 •

Socket (A1653MR): 1 piece (when /SN option is not 

specified.)

 •

User’s Manual (this manual: IM 77J04A01-01E): 1 copy

IM 77J04A01-01E

4th Edition June 2021 (YK)

GENERAL

The MA1 is a plug-in type distributor that is used in combination 

with a two-wire type transmitter to convert the transmitter’s 4 to 

20 mA DC signals into isolated DC current or DC voltage signals.

MODEL AND SUFFIX CODES

Model

Suffix codes

Description

MA1

-A

x -x

*C

/x

Distributor

Input 

signal

-A

4 to 20 mA DC

Transmitter power supply: 

25.25±0.25 V DC

Output 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

Power supply

-1

15-40 V DC 

*1

-2

100-240 V AC 

*2

Style code

*C

Style C

Option

/SN

No socket (with socket if not specified)

/C0

Coating

/FB

Fuse bypass

*1 Operating range: 12 to 48 V DC

*2 Operating range: 85 to 264 V AC

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/

You can download the latest manuals from the following website: