Manual

28 Rockwell Automation Publication 20C-PM001F-EN-P - March 2012
Chapter 2 Programming and Parameters
SPEED COMMAND
Process PI
124 [PI Configuration]
Sets configuration of the PI regulator.
Note: Added bit 9 “% of Ref” for firmware revision 3.001.
1 = Enabled
0 = Disabled
124
thru
138
125 [PI Control]
Controls the PI regulator.
1 = Enabled
0 = Disabled
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:
50.0%
–/+100.0% of Maximum
Process Value
0.1%
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]
100%
–/+800.0%
0.1%
079
124
thru
138
132 [PI Upper Limit]
Sets the upper limit of the PI output.
Default:
Min/Max:
Units:
+[Maximum Freq]
100%
–/+800.0%
0.1%
079
124
thru
138
File Group No.
Parameter Name & Description Values
Related
Name Reserved Reserved Reserved Reserved Reserved Reserved % of Ref Reserved Anti-Wind Up Stop Mode Feedbak Sqrt Zero Clamp Ramp Ref Preload Mode Invert Error Excl Mode
Defaultxxxxxx0x00000000
Bit 1514131211109876543210
Name Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved PI Reset PI Hold PI Enable
Defaultxxxxxxxxxxxxx000
Bit 1514131211109876543210