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R7C-EC8C

P.  / 3

EM-780-AH

RELAY CONTACT OUTPUT EXTENSION MODULE, 8 points

(CC-Link V.1.10)

MODEL

R7C-EC8C

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 extention 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

 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 sat-
isfying complete performance described in the data sheet.

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