T1200
MARINEC-P-A
3 02/14
PAGE 52 of 67
Figure 24 – Fire Protection, Fire and Fault Signal Output Connections
C/+
P
O/-
O/+
P
C/-
Field Wiring
Panel Wiring
Field relay spec:
Coil resistance - 2.6K to 4.5K
Ohms
Voltage 24V DC Nom
[min 18V, max 30V]
Fitted with suppression diode
as shown.
Connect to normally open or normally closed
contact as required.
Applied voltage must not exceed 30V DC.
Monitored/Powered O/P
Configuration
Output conditions:
For Fire Output and Fire Protection
output:
Quiescent: 5V DC [open circuit
voltage]
Active [fire]: 24V [nom]
Volt-Free Changeover
Relay Configuration
Output conditions:
For Fire Output and Fire
Protection output:
Shown in quiescent [de-
energised] condition.
O/+
P
C/-
Monitored/Powered O/P
Configuration
Output conditions:
For Fault O/P:
Quiescent: 24V DC [nom]
Active [fault]: 5V [open circuit
voltage]
Note: Terminals are dual marked for monitored/powered and volt-free configurations.
For volt-free: O = Open, C = Closed, P = Pole
For monitored/powered: + = Positive, - = Negative
O/-
P
C/+
Connect to normally open or normally closed
contact as required.
Applied voltage must not exceed 30V DC.
Volt-Free Changeover
Relay Configuration
Output conditions:
For Fault O/P:
Shown in healthy
[energised] condition.
Warning: The volt-free auxiliary relay contacts must not be used to directly switch any voltage which
exceeds 30Vdc.
Figure 25 – Reset Relay contact connection details
P
N/C
Volt-Free Changeover Relay
Configuration Output
conditions:
For Reset Relay shown in
quiescent [de-energised]
condition.
Field Wiring
Panel Wiring
N/O
Warning: The volt-free auxiliary relay contacts must not be used to directly switch any voltage which
exceeds 30Vdc.
