ABB ACS880-17LC - Safety Data and Block Diagrams; Without an FSO Module

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 2 3 4
Customer motor Pt100 sensor(s)1
Pt100 relay(s)2
• K71.1…3
• (K72.1…2)
• (K73.1…3)
Extension relay(s)3
• A81
• (A82)
• (A83)
Drive STO4
PFD
avg
(3, 5, or 8 relays)T
1
HFTSIL
9.74E-42 years01
3AXD10000331763 E
ATEX-certified motor thermal protection function with Pt100 relays (+L514+Q971) 39