Installation guide

VAR4 / VAR12 / VAR20 - Product Description
6.3.5 Fault Relay Output Wiring Examples
Control Port-1 on the base VAR4 unit has two types of global fault outputs; a changeover relay contact and a
set of relay contacts with resistors suitable for use in a monitored circuit such as that provided with Fire
Panels.
The diagram in Figure 20 shows the changeover
fault relay internal detail.
Figure 20 Fault Relay Output
ROUTER
CONTROL PORT-1
FAULT
RELAY
(SHOWN DE-ENERGISED)
CLOSED WHEN HEALTHY
(RELAY ENERGISED)
NC NO
COM
9
10
22
The diagram in Figure 21 illustrates the monitored
fault relay internal detail.
Figure 21 Monitored Fault Relay Output
Relay Contact
(Closed=Healthy)
470 ohms
6k8 ohms
ROUTER
CONTROL PORT-1
MONITORED
FAULT RELAY
20
21
6.3.6 Fire Microphone Wiring Examples
6.3.6.1 Fire Microphone on Input 1
L
The LEDs must have suitable series resistors fitted; these are fitted as standard within the ASL
FMS range of product.
Figure 22 Fire Microphone Connections to Input 1
CONTROL PORT-1 ON BASE UNIT
PIN 11: ALL-CALL-ONLY-1
PIN 23: SPEAK-NOW-1
PIN 8: ALL-CALL-1
ALL-CALL-ONLY LED
(NORMALLY FITTED
ON ZONEABLE
FIREMIC ONLY)
SPEAK NOW LED
PRESS-TO-TALK
PIN 6: 0 V
ROUTER
FIRE MIC
AUDIO
DATA
INPUT-1
PIN1 AUDIO -
PIN2 AUDIO +
PIN9 DATA+
PIN5 DATA-
ALL-CALL-ONLY-LED
SPEAK-NOW-LED
PTT
0V
AUDIO -
DATA +
AUDIO +
DATA -
+ SUPPLY
0V SUPPLY
FROM V400 AUX
OUTPUT
FIRE MIC CONNECTIONS: INPUT 1
6k8
470
Issue: 03 complete, approved
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