Instruction Manual

7–54 Programming
Process PI
[PI Fdbk Select]
The source of the PI feedback is selected with this
parameter. 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]
ThevalueoftheerrorcalculatedbythePIloop.Thisvalue
is thedifference 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.Thisoutputisusedasthespeedcommandfor
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