ABB Symphony Harmony Series, Instructions Manual

Page: 42 / 116

Specifications
WBPEEUI210509A0 1 - 9
Monitoring functions
System bus voltage monitor trip
points 4.75 VDC for 5 VDC bus
14.75 VDC for +15 VDC busses
Power fail interrupt (PFI) 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
Status out 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
Table 1-4. Specifications
(continued)
Property Characteristic/Value