ABB ACH550-UH HVAC, Руководство пользователя

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ACH550-UH User’s Manual 1-181
Parameters
5 =
DI
5 – Enables the Interlock function and assigns a digital input (starting with
DI
5) 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).
6 =
DI
6 – Enables the Interlock function and assigns digital input
DI
6 to the interlock signal for the speed regulated
motor.
• Requires 8118
AUTOCHNG INTERV
= 0.0.
Group 81: PFA Control
Code Description Range Resolution Default S
No. PFA
relays
Autochange disabled
(P 8118)
Autochange enabled
(P 8118)
0
DI
1…
DI
4: Free
DI
5: Speed Reg Motor
DI
6: Free
Not allowed
1
DI
1…
DI
4: Free
DI
5: Speed Reg Motor
DI
6: First PFA Relay
DI
1…
DI
4: Free
DI
5: First PFA Relay
DI
6: Free
2 Not allowed
DI
1…
DI
4: Free
DI
5: First PFA Relay
DI
6: Second PFA Relay
3…6 Not allowed Not allowed
No. PFA
relays
Autochange disabled Autochange enabled
0
DI
1…
DI
5: Free
DI
6: Speed Reg Motor
Not allowed
1 Not allowed
DI
1…
DI
5: Free
DI
6: First PFA Relay
2…6 Not allowed Not allowed