ABB DriveIT ACH550-01 User Manual page 286

Code Description
4027 PID 1 PARAM SET
Defines how selections are made between PID Set 1 and PID Set 2.
PID parameter set selection. When set 1 is selected, parameters
4001...4026 are used.
When set 2 is selected, parameters 4101...4126 are used.
0 =
SET
1 = 1 – Defines digital input
DI
• Activating the digital input selects PID Set 2.
• De-activating the digital input selects PID Set 1.
2...6 =
DI
Set selection.
• See
7 =
SET
8...11 =
TIMER
selection (Timer de-activated = PID Set 1; Timer activated = PID
Set 2)
See parameter Group 36: Timer Functions.
-1 = 1(
DI
PID Set selection.
• Activating the digital input selects PID Set 1.
• De-activating the digital input selects PID Set 2.
-2...-6 =
2...
DI DI
• See
Group 41: Process PID Set 2
This group defines second set of parameters used with the
Process PID (PID1) controller.
The operation of parameters 4101...4126 is analogous with
Process PID set 1 (PID1) parameters 4001...4026.
PID parameter set 2 can be selected by parameter 4027 PID 1
PARAM SET.
282
1 – PID Set 1 (parameters 4001...4026) is active.
2... 6 – Defines digital input
DI
1 above.
DI
2 – PID Set 2 (parameters 4101...4126) is active.
1...4 – Defines the Timer as the control for the PID Set
) – Defines an inverted digital input
INV
2( )... 6(
DI INV DI INV
6 as the control for PID Set selection.
1( ) above.
DI INV
ACH550 User's Manual
1 as the control for PID Set selection.
DI
2...
DI
) – Defines an inverted digital input
Parameter listing and descriptions
Range
-6...7
6 as the control for PID
DI
1 as the control for
DI