ABB Symphony Harmony Series Instructions Manual page 42

Table 1-4. Specifications
Property
Monitoring functions
System bus voltage monitor trip
points
Power fail interrupt (PFI)
Status out
WBPEEUI210509A0
(continued)
4.75 VDC for 5 VDC bus
14.75 VDC for +15 VDC busses
1 output, open collector driven (nonisolated), logic 0 = power
failure
Logic 0 ≤ 0.8 VDC at 10 mA sink current
Logic 1 ≥ 4.75 to 5.25 VDC at 80 µA source current
1 output, open collector driven (nonisolated), logic 0 = fault
Logic 0: 0.8 VDC at 10 mA sink current
Logic 1: 4.75 to Vcc at 80 µA source current
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Characteristic/Value
Specifications
1 - 9