ABB ACQ580 - Page 218

214 Parameters
40.06 Process PID status
word
Displays status information on process PID control.
This parameter is read-only.
-
0000h…FFFFh Process PID control status word. 1 = 1
40.07 Process PID
operation mode
Activates/deactivates process PID control.
Note: Process PID control is only available in external
control; see section Local control vs. external control (page
37).
Off
Off Process PID control inactive. 0
On Process PID control active. 1
On when drive
running
Process PID control is active when the drive is running. 2
40.08 Set 1 feedback 1
source
Selects the primary source of process feedback. See the
control chain diagram on page 413.
AI2 percent
Not selected None. 0
AI1 scaled 12.12 AI1 scaled value (see page 125). 1
AI2 scaled 12.22 AI2 scaled value (see page 126). 2
Freq in scaled 11.39 Freq in 1 scaled value (see page 122). 3
Reserved 4…7
AI1 percent 12.101 AI1 percent value (see page 127). 8
AI2 percent 12.102 AI2 percent value (see page 127). 9
Feedback data
storage
40.91 Feedback data storage (see page 229).
(Selection not available for parameter 71.08 Feedback 1
source.)
10
Actual flow Parameter 80.01 Actual flow.11
Actual flow % Parameter 80.02 Actual flow.12
Other Source selection (see Terms and abbreviations on page 100). -
No. Name/Value Description Def/FbEq16
Bit Name Value
0 PID active 1 = Process PID control active.
1 Setpoint frozen 1 = Process PID setpoint frozen.
2 Output frozen 1 = Process PID controller output frozen.
3 PID sleep mode 1 = Sleep mode active.
4 Sleep boost 1 = Sleep boost active.
5 Reserved
6 Tracking mode 1 = Tracking function active.
7 Output limit high 1 = PID output is being limited by par. 40.37.
8 Output limit low 1 = PID output is being limited by par. 40.36.
9 Deadband active 1 = PID deviation is in range defined by par. 40.39.
10 PID set 0 = Parameter set 1 in use. 1 = Parameter set 2 in use.
11 Reserved
12 Internal setpoint
active
1 = Internal setpoint active (see par. 40.16…40.23)
13…15 Reserved