Parameters 279
Displays the process PID deviation. By default, this value
equals setpoint - feedback, but deviation can be inverted by
parameter
. See the control
chain diagram on page
.
This parameter is read-only.
-
-32768.00…
32767.00 PID
customer units
PID deviation.
1 = 1 PID
customer unit
Displays status information on process PID control.
This parameter is read-only.
-
0000h…FFFFh
Process PID control status word.
1 = 1
Activates/deactivates process PID control.
Note:
Process PID control is only available in external
control; see section
Local control vs. external control
(page
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
Selects the primary source of process feedback. See the
control chain diagram on page
Not selected
None.
0
AI1 scaled
(see page
1
AI2 scaled
(see page
2
Freq in scaled
(see page
3
Reserved
4…7
AI1 percent
(see page
)
8
AI2 percent
(see page
)
9
Feedback data
storage
(see page
), 10
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.
.
8
Output limit low
1 = PID output is being limited by par.
.
9
Reserved
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.
)
13…15 Reserved
ACS580 FW.book Page 279 Wednesday, September 21, 2016 9:48 PM