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R7ML-EC8A

P. 1 / 2

EM-7805-O 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]

NPN TRANSISTOR OUTPUT EXTENSION MODULE, 8 points

(MECHATROLINK-

I

 / -

II

)

MODEL

R7ML-EC8A

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

 

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. 10mA

 

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 0 to 55°C (32 
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 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.

COMPONENT IDENTIFICATION

0

1

2

3

4

5

6

7

Discrete Output Status Indicator LED

Output Terminals

7

8

6

9

10

2

3

1

4

5

 

DISCRETE OUTPUT STATUS INDICATOR LED

Discrete output modules including those for extensions 
have LED indicators showing output signal status.
  Contact ON : LED ON
  Contact OFF : LED OFF

 

OUTPUT TERMINAL ASSIGNMENT

6

+24V

7

Y1

8

Y3

1

0V

2

Y0

3

Y2

9

Y5

4

Y4

10

Y7

5

Y6

NO.

ID

FUNCTION

NO.

ID

FUNTION

1

0V

0V (common)

6

+24V

24V DC

2

Y0

Output 0

7

Y1

Output 1

3

Y2

Output 2

8

Y3

Output 3

4

Y4

Output 4

9

Y5

Output 5

5

Y6

Output 6

10

Y7

Output 7

CONNECTING THE EXTENSION MODULE

1) Remove the extension connector cover located at the side 

of the basic module.

2) Connect the extension module.

3) Mount the combined module on a DIN rail.

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