FireClass Prescient III - Igure 3 - Motherboard Terminal Part 2; Part

EQUIPMENT: FIRECLASS Prescient III WRITTEN BY: RKP
PUBLICATION: OMFCPRES3IN CHECKED BY: AP
ISSUE No. & DATE: 0 02/02/12
PAGE 6 of 43
Figure 3 – Motherboard Terminal Identification Part 2
24V 0V
AUX
250mA
A B
S.L.U.
+ - + - + - + - + -
SNDR1 SNDR2
EXT.
SNDR
ACT1 ACT2
C/+ P
O/-
C/+ P
O/-
O/+ P
C/-
C/+ P
O/-
C/+ P
O/-
C/+ P
O/-
GAS REL SIG FIRE SIG FAULT SIG
C P
O
RESET
3RD STAGE2ND STAGE1ST STAGE
Reset Relay - Volt-FreeTerminals:
C = Normally Closed
P = Pole
O = Normally Open
Fault Relay - Volt-Free or Powered
Terminals:
C/+ = Normally Closed or 24V out
P = Pole
O/- = Normally Open or 0V out
Fire Relay - Volt-Free or Powered
Terminals:
C/+ = Normally Closed or 24V out
P = Pole
O/- = Normally Open or 0V out
Gas Released Relay - Volt-Free or Powered
Terminals:
C/+ = Normally Closed or 24V out
P = Pole
O/- = Normally Open or 0V out
Actuator Circuit 2
+ = 1.2V in quiescent, 24V when activated
- = 3.8V in quiescent, 0V when activated
Actuator Circuit 1
+ = 1.2V in quiescent, 24V when activated
- = 3.8V in quiescent, 0V when activated
Extinguishing Sounder Circuit
+ = 1.2V in quiescent, 24V when activated
- = 3.8V in quiescent, 0V when activated
Fire Sounder Circuit 2
+ = 1.2V in quiescent, 24V when activated
- = 3.8V in quiescent, 0V when activated
Fire Sounder Circuit 1
+ = 1.2V in quiescent, 24V when activated
- = 3.8V in quiescent, 0V when activated
SLU 2-Wire RS485 Data Connection
Connect A at panel to A at SLU
Connect B at panel to B at SLU
1 Amp 24V DC Power Supply Output
Primarily for use with SLUs
250mA 24V DC Power Supply Output
Primarily for use with Repeat Outputs
Third Stage Relay
Volt-Free or Powered Terminals:
C/+ = Normally Closed or 24V out
P = Pole
O/- = Normally Open or 0V out
Second Stage Relay
Volt-Free or Powered Terminals:
C/+ = Normally Closed or 24V out
P = Pole
O/- = Normally Open or 0V out
First Stage Relay
Volt-Free or Powered Terminals:
C/+ = Normally Closed or 24V out
P = Pole
O/- = Normally Open or 0V out
24V 0V
AUX
1A