INSTRUCTION MANUAL
DISCRETE INPUT EXTENSION MODULE, 8 points
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. 15mA
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 -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.
(L
W
)
ON
ORKS
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
MODEL
COMPONENT IDENTIFICATION
Discrete Input Status Indicator LED
1
■ DISCRETE INPUT STATUS INDICATOR LED
Used to show discrete input signal status.
ON
: LED ON
OFF
: LED OFF
■ INPUT TERMINAL ASSIGNMENT
6
7
NC
X1
1
2
3
COM
X0
NO.
ID
FUNCTION
1
COM
Common
2
X0
Input 0
3
X2
Input 2
4
X4
Input 4
5
X6
Input 6
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.
R7L-EA8
0
1
2
3
4
5
6
7
6
7
8
9
10
2
3
4
5
Input Terminals
8
9
10
X3
X5
X7
4
5
X2
X4
X6
NO.
ID
FUNCTION
6
NC
No Connection
7
X1
Input 1
8
X3
Input 3
9
X5
Input 5
10
X7
Input 7
EM-7804-N Rev.2 P. 1 / 2
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