EQUIPMENT: FIRECLASS Prescient III WRITTEN BY: RKP
PUBLICATION: OMFCPRES3IN CHECKED BY: AP
ISSUE No. & DATE: 0 02/02/12
PAGE 40 of 43
12.4 Monitored Outputs Connection Diagram
Panel Terminals
C/+ P
O/-
C/+ P
O/-
C/+ P
O/-
C/+ P
O/-
C/+ P
O/-
C/+ P
O/-
GAS REL SIG FIRE SIG FAULT SIG
3RD STAGE2ND STAGE1ST STAGE
+
-
Relay
Coil current
<=100mA
Operating Voltage
19V to 30V DC
+
-
+
-
Fault Output,
Normally energised
Gas Released Output,
Normally de-energised
Fire Signal Output
wired same as Gas
Released Output
1
st
Stage Shutdown Output,
Normally de-energised
10k EOL
These Outputs are Reverse-polarity monitored at 5VDC.
They are Active at 28 VDC (Nominal)
Each Output can be configured independently for Volt-Free contacts by removing the relevant links
on the motherboard. The volt-free contacts are rated at 1 Amp, 30 VDC maximum.
DO NOT SWITCH AC VOLTAGES THROUGH THESE CONTACTS.
10k EOL
10k EOL
Relay
Coil current
<=100mA
Operating Voltage
19V to 30V DC
Relay
Coil current
<=100mA
Operating Voltage
19V to 30V DC
2 x 1N4002S
DIODES OR
EQUIVALENT
2 x 1N4002S
DIODES OR
EQUIVALENT
2 x 1N4002S
DIODES OR
EQUIVALENT