
Parameter listing and descriptions 315
ACH550-01 User's Manual
4 = DI4 – Enables the Interlock function, and assigns a digital input
(starting with
DI4) to the interlock signal for each PFA relay. These
assignments are defined in the following table and depend on:
• the number of PFA relays [number of parameters 1401…1403 and
1410…1412 with value = 31 (PFA)]
• the Autochange function status (disabled if 8118
AUTOCHNG INTERV =
0.0, and otherwise enabled).
Code Description Range
No. PFA
relays
Autochange disabled
(P 8118)
Autochange enabled
(P 8118)
0
DI1…DI3: Free
DI4: Speed Reg Motor
DI5…DI6: Free
Not allowed
1
DI1…DI3: Free
DI
4: Speed Reg Motor
DI5: First PFA Relay
DI6: Free
DI1…DI3: Free
DI
4: First PFA Relay
DI5…DI6: Free
2
DI1…DI3: Free
DI4: Speed Reg Motor
DI5: First PFA Relay
DI6: Second PFA Relay
DI1…DI3: Free
DI4: First PFA Relay
DI5: Second PFA Relay
DI6: Free
3 Not allowed
DI1…DI3: Free
DI4: First PFA Relay
DI5: Second PFA Relay
DI6: Third PFA Relay
4…6 Not allowed Not allowed
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