EM-7804-I Rev.2 P. 1 / 3
INSTRUCTION MANUAL
DISCRETE INPUT EXTENSION MODULE, 16 points
(LONWORKS)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
0123456789ABCDEF
10 11 12 13
2341
15 16 17 18
7896
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
056 222 38 18 mailbox@sentronic.com www.sentronic.com
SENTRONIC AG
