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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: [email protected]

EM-7804-I  Rev.2  P. 1 / 3

INSTRUCTION MANUAL

DISCRETE INPUT EXTENSION MODULE, 16 points

(L

ON

W

ORKS

)

MODEL

R7L-EA16

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 input 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 AC rating: 24V ±10%, 50/60 Hz, approx. 30mA
    24V DC rating: 24V ±10%, approx. 20mA

 

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 -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 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.

 

FUNCTIONAL BLOCK SETTING

• Functional blocks regarding the extension module are set 

by the basic module.  Refer to the instruction manual for 
the basic module for detailed information.

 

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 8 9 A B C D E F

10 11 12 13

2

3

4

1

15 16 17 18

7

8

9

6

14

5

Discrete Input Status Indicator LED

Input Terminals

 

DISCRETE INPUTS STATUS INDICATOR LED

Used to show discrete input signal status.
     

ON  

: LED ON

     

OFF  : LED OFF

 

INPUT TERMINAL ASSIGNMENT

10

NC

11

X1

12

X3

1

COM

2

X0

3

X2

13

X5

4

X4

14

X7

5

X6

15

X9

6

X8

16

XB

7

XA

17

XD

8

XC

9

XE

18

XF

NO.

ID

FUNCTION

NO.

ID

FUNCTION

1

COM Common

10

NC

No Connection

2

X0

Input 0

11

X1

Input 1

3

X2

Input 2

12

X3

Input 3

4

X4

Input 4

13

X5

Input 5

5

X6

Input 6

14

X7

Input 7

6

X8

Input 8

15

X9

Input 9

7

XA

Input 10

16

XB

Input 11

8

XC

Input 12

17

XD

Input 13

9

XE

Input 14

18

XF

Input 15

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