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5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201  Fax: +81(6)6659-8510  E-mail: info@m-system.co.jp

EM-2475  P. 1 / 2

INSTRUCTION MANUAL

CURRENT LOOP SUPPLY

(non isolated)

MODEL

M5D

BEFORE USE ....

Thank you for choosing M-System.  Before use, please check 
contents of the package you received as outlined below.
If you have any problems or questions with the product, 
please contact M-System’s Sales Office or representatives.

 

PACKAGE INCLUDES:

Signal conditioner ( shortcircuit wire) ................(1)

 

MODEL NO.

Confirm Model No. marking on the product to be exactly 
what you ordered.

 

INSTRUCTION MANUAL

This manual describes necessary points of caution when 
you use this product, including installation, connection and 
basic maintenance procedures.

POINTS OF CAUTION

 

CONFORMITY WITH EU DIRECTIVES OR UK LEGISLATION

• The equipment must be mounted inside a panel.
• The actual installation environments such as panel con-

figurations, connected devices, connected wires, may affect 
the protection level of this unit when it is integrated in 
a panel system.  The user may have to review the CE or 
UKCA requirements in regard to the whole system and 
employ additional protective measures to ensure the CE 
or UKCA conformity.

 

POWER INPUT RATING & OPERATIONAL RANGE

• Locate the power input rating marked on the product and 

confirm its operational range as indicated below:

    24V DC rating: 24V ±10%, approx. 1W

 

GENERAL PRECAUTIONS

• Before you remove the unit or mount it, turn off the power 

supply and input signal for safety.

 

ENVIRONMENT

• Indoor use.
• When heavy dust or metal particles are present in the 

air, install the unit inside proper housing with sufficient 
ventilation.

• Do not install the unit where it is subjected to continuous 

vibration.  Do not subject the unit to physical impact.

• Environmental temperature must be within -5 to +55°C     

(23 to 131°F) with relative humidity within 0 to 90% RH 
in order to ensure adequate life span and operation.

 

WIRING

• Do not install cables close to noise sources (relay drive 

cable, high frequency line, etc.).

• Do not bind these cables together with those in which 

noises are present.  Do not install them in the same duct.

• Install lightning surge protectors for those wires connect-

ed to remote locations.  For 24V DC power supply line, 
choose a surge protector with its maximum surge voltage 
40V or less between lines.  Recommended M-System mod-
el: MDP-D24.

 

AND ....

• The unit is designed to function as soon as power is sup-

plied, however, a warm up for 10 minutes is required for 
satisfying complete performance described in the data 
sheet.

COMPONENT IDENTIFICATION

Power LED

Terminal Cover

Body

Specifications

Short Circuit 

Wire

INSTALLATION

Set the unit so that its DIN rail adapter is at the bottom.

 

MOUNTING THE UNIT ON A DIN RAIL

A) Hang the upper hook at the rear side of unit on the DIN 

rail.

B) Push in the lower in keeping pressing the unit to the DIN 

rail.

A

B

DIN Rail

 

REMOVING THE UNIT

A) Push down the DIN rail adaptor using a minus screw-

driver.

B) Pull out the lower part of the unit.
C) Remove the upper part from the DIN rail.

A

C

B

Spring Loaded

DIN Rail Adaptor

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