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Interfaces (Low voltage)
Wiring diagrams
&
The loop cable screen must be continued through each interface module. The loop, switch input,
zone input and LED output cable screens where used must connect to an earth terminal.
S4 1-Input module
connection details
Z-
Z+
EOL
Capacitor unit
10K
Switch
Input
10K
Mode
EOL
S4 1-Output & 1-input module
connection details
Output - Relay
Confirmation
contact rating
Input
1A 30V ac/dc
(Optional)
Resistive load
4188-873.02_Pt.1_11/06_S4 LV Interfaces
S4 4-Input/Output module
connection details
Zone Input
Mode
See Note 1
Note 1 - When the input is configured as a Zone input
Note 2 - Only channel 1 (terminals 5 & 6) can be
Note 3 - Contact rating 1A 30V ac/dc Resistive load.
Note 4 - Output is 1.5mA @ 24V dc.
Chassis
Zone Input
see Note 2
Switch
Input
Z+ Z-
it is possible to attach conventional detectors
and MCPs (with 470 Ohms or 3V9 zener
diode in series with normally open contacts),
maximum load is 2mA @ 24V nominal
(18V minimum) with End-of-line capacitor.
configured as an zone input.
# Can be configured as LED output
*
The cable screens must be connected to an
earth terminal
on the chassis or in the metal box.
If a module is mounted on a
DIN rail must electrically connected to
the
loop cable screen via the earth terminal.
Data and Installation
EOL
DIN rail
then the
3
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