Pid Control Setpoint Source; Communication Fault - ABB ACS550 User Manual

196

PID control setpoint source

Using the following settings to select the fieldbus as the setpoint source for PID
loops:
Drive parameter
4010
4110
4210

Communication fault

When using fieldbus control, specify the drive's action if serial communication is lost.
Drive parameter
3018
3019
Embedded fieldbus
Value
8 (
SET POINT SEL COMM VALUE
(Set 1)
9 ( +
COMM AI
10 (
SET POINT SEL COMM *
(Set 2)
SET POINT SEL
(Ext/Trim)
0 (
COMM FAULT FUNC NOT SEL
1 (
FAULT
2 (
CONST SP
3 (
LAST SPEED
Set time delay before acting on a communication loss.
COMM FAULT TIME
Description
1) Setpoint is input reference 2
(+/-/ * AI1)
1)
1)
AI
Value
) Set for appropriate drive response.
)
7)
)
ACS550 User's Manual
Modbus protocol
reference
ABB DRV DCU PROFILE
40003
Description