Dual Setpoint With Pid And Constant Speeds - ABB DriveIT ACH550-01 User Manual

12. Dual setpoint with PID and constant speeds

This application macro can be used for applications with 2
constant speeds, active PID and alternating PID between two
setpoints using digital inputs. When using a transmitter the
signal can be used as direct speed reference (AI1), or a PID
actual value with the speed is controlled with PID.
PID setpoints are set to the drive internally with parameters
4011 (set1) and 4111 (set2) and they can be changed with DI3.
PID can be commissioned and adjusted with parameters or with
the PID assistant (recommended.)
Digital input (DI2) has a factory set control location EXT1/EXT2
selection function. When digital input is active the control
location is EXT2 and PID is activated.
Digital inputs 4 (DI4) and 5 (DI5) have factory set constant
speed 1 and 2 functions. Constant speed 1 (Par 1202) is
selected by activating digital input 4 (DI4) and constant speed 2
(Par 1203) by activating digital input 5 (DI5).
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ACH550 User's Manual
Wiring and applications