Parker 690+ series - PID (TYPE 2)

Programming Your Application 1-81
690+ Series Frequency Inverter
PID (TYPE 2)
This function block is an alternative,
simplified version of the process PID
controller. The function block is suitable for
general closed-loop control and is typically
used in phase control applications.
PID (Type 2)
PID OUPUT [1548]
–
0.00 %
OUTPUT [1256]
–
0.00 %
LIMITING [1257]
–
FALSE
FALSE
–
[1254] ENABLE
–
0.00 % – [1247] ERROR
–
0.00%
–
[1248] FEED FWD
–
1.00
–
[1249] FEED FWD GAIN
–
0.10
–
[1250] P GAIN
–
1.00
–
[1251] I GAIN
–
0.00
–
[1252] D GAIN
–
0.05 s
–
[1255] D FILTER TC
–
300.00%
–
[1253] LIMIT
–
MMI Menu Map
1
SETUP
2
SETPOINT FUNCS
3
PID (TYPE 2)
ENABLE
ERROR
FEED FWD
FEED FWD GAIN
P GAIN
I GAIN
D GAIN
D FILTER TC
LIMIT
OUTPUT
PID OUTPUT
LIMITING
Parameter Descriptions
ERROR
Range: -300.00 to 300.00 %
Error input to the PID (TYPE 2) block.
FEED FWD
Range: -300.00 to 300.00 %
Feed forward input to the PID (TYPE 2) block.
FEED FWD GAIN
Range: -300.00 to 300.00
Feed forward gain of the PID (TYPE 2) block.
P GAIN
Range: 0.00 to 100.00
The proportional gain of the PID (TYPE 2) block.
I GAIN
Range: 0.00 to 100.00
The integral gain of the PID (TYPE 2) block.
D GAIN
Range: 0.00 to 100.00
The derivative gain of the PID (TYPE 2) block.
LIMIT
Range: 0.00 to 300.00%
This parameter determines the maximum positive and negative excursion (Limit) of the PID
output.
ENABLE
Range: FALSE / TRUE
This parameter globally resets the PID output and integral term when FALSE.
This parameter must be TRUE for the PID to operate.
D FILTER TC
Range: 0.05 to 10.00 s
In order to help attenuate high frequency noise on the derivative term, a first order lag has been
provided. This parameter determines the filter time constant.
OUTPUT
Range: __.xx%
Output of the PID (TYPE 2) function block.
PID OUTPUT
Range: __.xx%
Output of PID without FEED FWD
LIMITING
Range: FALSE / TRUE
This output is TRUE if the OUTPUT is at the LIMIT value.