Instruction Manual

Programming and Parameters 3-13
SPEED COMMAND
Process PI
Important: Parameters in the Process PI Group are used to enable and tune the PI Loop. In order to allow the PI Loop
to control drive operation, parameter 080 [Speed Mode] must be set to 2 “Process PI”.
124 [PI Configuration]
Sets configuration of the PI regulator.
124 thru 138
125 [PI Control]
Controls the PI regulator.
080
126 [PI Reference Sel]
Selects the source of the PI reference.
Default:
Options:
0
0
1
2
3-8
9
10
11-17
18-22
“PI Setpoint”
“PI Setpoint”
“Analog In 1”
“Analog In 2”
“Reserved”
“MOP Level”
“Master Ref”
“Preset Spd1-7”
“DPI Port 1-5”
124
thru 138
127 [PI Setpoint]
Provides an internal fixed value for process setpoint when [PI Reference
Sel] is set to “PI Setpoint.”
Default:
Min/Max:
Units:
50.00%
–/+100.00% of Max. Process Value
0.01%
124 thru 138
128 [PI Feedback Sel]
Selects the source of the PI feedback.
Default:
Options:
2 “Analog In 2”
See [PI Reference Sel]
.
124
thru 138
129 [PI Integral Time]
Time required for the integral component to reach 100% of [PI Error
Meter]. Not functional when the PI Hold bit of [PI Control] = “1” (enabled).
Default:
Min/Max:
Units:
2.0 Secs
0.00/100.00 Secs
0.01 Secs
124 thru 138
130 [PI Prop Gain]
Sets the value for the PI proportional component.
PI Error x PI Prop Gain = PI Output
Default:
Min/Max:
Units:
1.0
0.00/100.00
0.01
124 thru 138
131 [PI Lower Limit]
Sets the lower limit of the PI output.
Default:
Min/Max:
Units:
–[Maximum Freq]
–/+400.0 Hz
0.1 Hz
124 thru 138
132 [PI Upper Limit]
Sets the upper limit of the PI output.
Default:
Min/Max:
Units:
+[Maximum Freq]
–/+400.0 Hz
0.1 Hz
124 thru 138
File Group No.
Parameter Name & Description
See page 3-2 for symbol descriptions
Values Related
00000000xxxxxxxx
10 01234567891112131415
1 =Enabled
0 =Disabled
x =Reserved
Bit #
Factory Default Bit Values
Excl Mode
Invert Error
Preload Mode
Ramp Ref
Zero Clamp
Feedbak Sqrt
Stop Mode
Anti-Wind Up
00x 0xxxxxxxxxxxx
10 01234567891112131415
1 =Enabled
0 =Disabled
x =Reserved
Bit #
Factory Default Bit Values
PI Enable
PI Hold
PI Reset