Rockwell Automation 20B PowerFlex 700 Custom Firmware - Pump Off User Manual
Page 7
PowerFlex 700 with Vector Control Option Custom Firmware 7
Rockwell Automation Publication 20B-IN020C-EN-P - January 2014
APPLIC
AT
IONS
O
il W
ell P
u
mp
687 [Pump Off Speed]
Sets the percent drop in speed from the commanded speed
during a “pump off” condition.
Default:
Min/Max:
Units:
20.0%
0.0/100.0%
0.1%
688 [Pump Off Time]
Sets the time the drive continues to run at the reduced
“pump off” speed before returning to commanded (full)
speed and checking if the “pump off” condition still exists.
Default:
Min/Max:
Units:
600.0 Secs
120.0/60000.0 Secs
0.1 Secs
689 [Pump Off Setup]
Controls additional Pump Off features.
Option Descriptions
Pos Filter
Sets level of filtering on torque for position calculation.
0=Light
1=Heavy. Used to remove extra peaks in the waveform.
Pos Offset
Adjusts correction factor for motor slip in position calculator. Set bit if torques and
position count are drifting apart.
Pos Min Trq
Adjust the minimum torque threshold for the position detector.
0=10%
1=Auto Detect Min Torque.
Cycle PO Pos
Use positive level changes for Pump Off in cycle mode.
0= Off
1=On.
Baseline Dis
Disables the calculation of a new torque baseline each time the drive is started. The
drive uses the torque baseline that was previously calculated and saved.
Custom Firmware Parameters (cont.)
File
Group
No
.
Parameter Name and Description
See User Manual for symbol descriptions
Values
Re
la
ted
0
0
0
0
x
x
x
x
x
x
x
x
x
x
x
10
0
1
2
3
4
5
6
7
8
9
11
12
13
14
15
x = Reserved
Bit #
Pos F
ilt
er
Pos O
ffset
Pos Min
Trq
Cy
cle PO P
os
0
Baseline D
is