Pi fdbk select, Pi reference, Pi feedback – Rockwell Automation 1336F PLUS II User Manual - Firmware 1.xxx-6.xxx User Manual
Page 137: Pi error, Pi output, Ki process, Process pi
Programming
6–55
[PI Fdbk Select]
The source of the PI feedback is selected with this param-
eter. It identifies the input point for the process feedback
device.
Parameter Number
216
Parameter Type
Read/Write
Factory Default
“Analog In 1”
Units
Display Drive
“Use Last” 0
“Analog In 0” 1
“Analog In 1” 2
“Analog In 2” 3
“Pulse Ref” 4
Refer to [Pulse In Scale] Value
“MOP” 5
“Adapter 1-6” 6-11
“Preset 1-7” 12-18
“Encoder” 19 Refer to [Encoder PPR] Value
[PI Reference]
This parameter displays the current value of the reference
selected by [PI Ref Select].
Parameter Number
217
Parameter Type
Read Only
Display Units / Drive Units
0.01 Hertz / 32767 = Maximum Freq Forward
Factory Default
None
Minimum Value
–400.00 Hz
Maximum Value
400.00 Hz
[PI Feedback]
This parameter displays the current value of the reference
selected by [PI Fdbk Select].
Parameter Number
218
Parameter Type
Read Only
Display Units / Drive Units
0.01 Hertz / 32767 = Maximum Freq Forward
Factory Default
None
Minimum Value
–400.00 Hz
Maximum Value
400.00 Hz
[PI Error]
The value of the error calculated by the PI loop. This value
is the difference between [PI Reference] & [PI Feedback]
and determines the PI output.
Parameter Number
219
Parameter Type
Read Only
Display Units / Drive Units
0.01 Hertz / 32767 = Maximum Freq Forward
Factory Default
None
Minimum Value
–400.00 Hz
Maximum Value
400.00 Hz
[PI Output]
The current output of the PI loop is displayed with this
parameter. This output is used as the speed command for
process control or the speed adder for process trim.
Parameter Number
220
Parameter Type
Read Only
Display Units / Drive Units
0.01 Hertz / 32767 = Maximum Freq Forward
Factory Default
None
Minimum Value
–400.00 Hz
Maximum Value
400.00 Hz
[KI Process]
This parameter sets the integral gain of the process PI
loop.
Parameter Number
221
Parameter Type
Read/Write
Display Units / Drive Units
NA / NA
Factory Default
128
Minimum Value
0
Maximum Value
1024