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