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R7M-EC8B

P. 1 / 6

EM-7803-P Rev.2

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: 

+81(6)6659-8510  E-mail: [email protected]

PNP TRANSISTOR OUTPUT EXTENSION MODULE, 8 points

(Modbus)

MODEL

R7M-EC8B

INSTRUCTION MANUAL

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:

  Discrete output extension module ............................... (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 EC DIRECTIVES

• The equipment must be mounted inside the instrument 

panel of a metal enclosure.

• The actual installation environments such as panel con-

figurations, connected devices and 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 
requirements in regard to the whole system and employ 
additional protective measures to ensure CE conformity.

 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 ven-
tilation.

• 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 -10 to +55°C 

(14 to 131°F) with relative humidity within 30 to 90% RH 
in order to ensure adequate life span and operation.

 WIRING

• Do not install cables (power supply, input and output) 

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.

 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.

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