| Channels |
4 independent fire zone inputs |
| Input Types |
2-wire loop-powered detectors, manual call points, voltage-free contact outputs |
| Loop Supply |
17 V DC minimum (typically 24 V DC) |
| Loop Sense Impedance |
Configurable signal bands: 0-3 mA (open circuit fault), 3-10 mA (normal operation), 10-25 mA (fire alarm), >25 mA (short circuit fault) |
| Maximum Line Resistance |
Dependent on loop voltage and current, calculated as R_Loop = (V_r - V_s) / I |
| Output Circuits |
2 independent 2-wire fused and switched DC output loops with fault monitoring |
| Output Voltage |
System DC supply (18 to 32 V DC) |
| Output Current |
1 A maximum per loop |
| Fuse Type and Rating |
1 A (for switched DC outputs) |
| End of Line Termination |
22 kΩ for remote inputs, configurable for detector loops |
| Remote Input Facilities |
Single 3-function remote input (accept, silence, reset) |
| Relay Outputs |
Up to 16 configurable SPCO relays via Fire Relay Interface Assembly (05704-A-0123) |
| Front Panel Indicators |
Fire (Red), Fault (Amber), Inhibit (Amber), Select (Amber), Power (Green), Call Engineer (Amber) |
| Power Supply |
18 to 32 V DC via System 57 rack |
| Power Consumption |
1.7 W typical |
| Dimensions |
1-inch wide (25.4 mm), fits System 57 rack slot |
| Weight |
160 g |
| Standards Compliance |
CE, EN54-2, UL, CSA |
