Allen-Bradley PowerFlex 70

38 Rockwell Automation Publication 20A-UM001N-EN-P - July 2013
Chapter 1 Programming and Parameters
SPEED COMMAND (file C)
Process PI
132 [PI Upper Limit]
Sets the upper limit of the PI output.
Default:
Min/Max:
Units:
+[Maximum Freq]
100%
±400.0 Hz
±800.0%
0.1 Hz
0.1%
124…
138
133 [PI Preload]
Sets the value used to preload the integral
component on start or enable.
Default:
Min/Max:
Units:
0.0 Hz
100.0%
[PI Lower Limit]/
[PI Upper Limit
0.1 Hz
0.1%
124…
138
134 [PI Status]
Status of the Process PI regulator.
Read Only
124…
138
135 [PI Ref Meter]
Present value of the PI reference signal.
Default:
Min/Max:
Units:
Read Only
±100.00%
0.01%
124…
138
136 [PI Fdback Meter]
Present value of the PI feedback signal.
Default:
Min/Max:
Units:
Read Only
±100.00%
0.01%
124…
138
137 [PI Error Meter]
Present value of the PI error.
Default:
Min/Max:
Units:
Read Only
±100.00%
0.01%
124…
138
138 [PI Output Meter]
Present value of the PI output.
Default:
Min/Max:
Units:
Read Only
±100.0 Hz
±800.0%
0.1 Hz
0.1%
124…
138
139 [PI BW Filter]
Firmware revision 2.001 and later – Provides
filter for Process PI error signal. The output of
this filter is displayed in [PI Error Meter]. Zero
disables the filter.
Default:
Min/Max:
Units:
0.0 R/s
0.0/240.0 R/s
0.1 R/s
137
459 [PI Deriv Time]
Refer to formula below:
Default:
Min/Max:
Units:
0.00 Secs
0.00/100.00 Secs
0.01 Secs
File C Group No.
Parameter Name and Description
See page 14 for symbol descriptions
Values
Related
E C
E C
E C
E C
E C
0000xxxxxxxxxxxx
10 01234567891112131415
1=Condition True
0=Condition False
x =Reserved
Bit #
PI Enabled
PI Hold
PI Reset
PI InLimit
Nibble 1Nibble 2Nibble 3Nibble 4
E C
E C
E C v2
E C v2
d
PI Error
(%)
d
t
(Sec)
PI
Out
= KD (Sec) x