ABB ACS880-104

Parameters 429
76.80 PI feedback % Displays the process control feedback signal value used for
the PI controller.
0.00
-300.00...300.00 % PI feedback. 10 = 1%
76.81 PI setpoint % Displays the process control set point reference signal
ramped value used for the PI control.
0.00
-300.00...300.00 % PI setpoint. 10 = 1%
76.82 PI error % Displays the process control error which is effectively the
difference between ramped set point reference and process
feedback signal.
0.00
-300.00...300.00 % PI error. 10 = 1%
76.83 P term Displays the content of the PI output P-term component. 0.00
-300.00...300.00 % P term. 10 = 1
76.84 I term Displays the content of the PI output I-term component. 0.00
-300.00...300.00 % I term. 10 = 1
76.85 PI output Displays the output of the PI controller in % of the speed
range defined for the automatic process control.
0.00
-300.00...300.00 % PI output. 10 = 1%
76.86 Process 1 feedback
signal
Displays the actual value of the feedback signal selected for
process 1.
0.00
-30000.00...
30000.00
Process 1 feedback signal.
10 = 1
76.87 Process 2 feedback
signal
Displays the actual value of the feedback signal selected for
process 2.
0.00
-30000.00...
30000.00
Process 2 feedback signal.
10 = 1
76.99 Auto mode status
word
Displays the status word for the ESP control program
automatic process control function.
0b0000
79
79 Load protection
Enables/Disables Underload and Overload protection
functions.
See section Underload and overload protection (page 52).
79.01 Load curve speed
point 1
Defines speed point 1 for the load curve. 0.00
0.00...1200.00 % Load curve speed point 1. 10 = 1%
No. Name/Value Description Def/FbEq16
Bit Name Description
0 Auto mode off No auto mode process control is active.
1 Process 1 ctrl mode Auto mode Process 1 closed loop control
is active.
2 Process 2 ctrl mode Auto mode Process 2 closed loop control
is active.
3...7 Reserved
8 PI output max limit PI output is at maximum limit.
9 PI output min limit PI output is at minimum limit.
10 PI disable i-part I-term calculation is put on hold.
11 PI preset i-part I-term is being preset.
12...15 Reserved