Safety Data And Block Diagrams; Without An Fso Module - ABB ACS880 Series User Manual

ATEX-certified motor thermal protection function with Pt100 relays (+L514+Q971) 39

Safety data and block diagrams

The safety block diagrams show the components that are included in the safety data
calculations.
￭

Without an FSO module

1
1 Customer motor Pt100 sensor(s)
2 Pt100 relay(s)
• K71.1...3
• (K72.1...2)
• (K73.1...3)
3 Extension relay(s)
• A81
• (A82)
• (A83)
4 Drive STO
SIL
1
2
HFT
0
3 4
T PFD
1 avg
2 years
3AXD10000331763 E
(3, 5, or 8 relays)
9.74E-4