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Multi input/output module and conventional line interface
Terminal
DIP switch
position
n.
Input
22
CH1 +
21
CH1 -
any
20
CH2 +
19
CH2 -
ON
18
CH3 +
17
CH3 -
A
B
C
16
CH4 +
ON
15
CH4 -
A
B
C
Terminal
DIP switch
position
n.
Input
18
CH3 +
ON
17
CH3 -
A
B
C
16
CH4 +
ON
15
CH4 -
A
B
C
Terminal
n.
Output
2
Output CH1 +
3
Output CH1 -
5
Output CH2 +
6
Output CH2 -
8
Output CH3 +
9
Output CH3 -
11
Output CH4 +
12
Output CH4 -
The module must be connected to the control panel via a 2 pole twisted-shielded cable. This cable carries both the
power supply and the two-way digital communications data. Refer to the connection section for the wiring diagram.
The module has a short-circuit isolator which, in the event of short-circuit between the two poles of the control
panel loop cable, is capable of interrupting the negative pole and thus isolating the section involved in the short-
circuit. For the isolator specification, please refer to the "ILP Specification" document.
The module should be housed inside an electrical mounting box, as per the diagram, with the following
characteristics:
• Minimal internal dimensions: 125 x 125 x 40 mm
• Protection grade IP44 or higher
• Compliant with the established standards and codes relating to the Installation of electrical systems
The two removable serial number stickers should be taken off the module; one should be
attached to the box where the device is to be housed, the other to the installation layout.
D
D
D
D
EM344S - EM304S - Supervised output connection
Connections
EM34x - Supervised input connection
EM34x - Conventional zone connection
Installation
22k Ohm
2k2 Ohm
22k Ohm
ATTENTION!
22 μF
35 V
7
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