R7E-EC8A
P. 1 / 2EM-7807-O Rev.2
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
NPN TRANSISTOR OUTPUT EXTENSION MODULE, 8 points
(Ethernet Modbus/TCP) MODEL R7E-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 that the model number described on the product is
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 EU DIRECTIVES
•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 integrat-
ed 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.
■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 output 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.
■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
01234567
Discrete Output Status Indicator LED
Output Terminals
786910
23145
■DISCRETE OUTPUT STATUS INDICATOR LED
Discrete output extension modules 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 FUNCTION
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.
