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Rockwell Automation 20B PowerFlex 700 Custom Firmware - Pump Off User Manual

Page 7

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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