Siemens FC901-U3 - Status Relays; Notification Appliance Circuits; Serial Interface Circuit; SLC Addressable Device Circuits

Status Relays
Non-power limited
One programmable relay
Three non-programmable relays: Trouble, Supervisory, Alarm
Contact rating: 2A, 30VDC maximum
Form C contact
Notification Appliance Circuits
Power limited
Supervised
Current Draw Maximum Line Resistance
2.5A 3.2Ω
2.0A 4.0Ω
1.5A 5.3Ω
1.0A 8.0Ω
0.5A 16.0Ω
Alarm voltage: 16 to 32VDC
Maximum ripple: 0.1VAC
Used for special application only
Two Style Y/Class B or one Style Z/Class A
Total Max. Current: 2.5A
Serial Interface Circuit (UFP)
Power limited
Supervised
Maximum wire loop resistance: 50Ω total
Physical layer: RS485
SLC Addressable Device Circuits
32 VDC Max
Power limited
Supervised
Max. current: 0.07A(RMS)
Maximum wire loop resistance: 50Ω
Two Style 4 Class B or one Style 6 Class A circuit
Max. 50 addressable devices
City Tie Circuits
Supply Input:
Voltage: 26VDC
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