Rockwell Automation 20B PowerFlex 700 AC Drives Vector Control (v4.001 and up) User Manual
Page 30
30
Rockwell Automation Publication 20B-UM002G-EN-P - July 2014
Chapter 1
Programming and Parameters
084
085
086
[Skip Frequency 1]
[Skip Frequency 2]
[Skip Frequency 3]
Sets a frequency at which the drive will not
operate.
Default:
Default:
Default:
Min/Max:
Units:
0.0 Hz
0.0 Hz
0.0 Hz
–/+[Maximum Speed]
0.1 Hz
087 [Skip Freq Band]
Determines the bandwidth around a skip
frequency. [Skip Freq Band] is split, applying 1/2
above and 1/2 below the actual skip frequency.
The same bandwidth applies to all skip
frequencies.
Default:
Min/Max:
Units:
0.0 Hz
0.0/30.0 Hz
0.1 Hz
SPEED C
O
MMAND
Spd Mode
&
Limits
088 [Speed/Torque Mod]
Selects the torque reference source.
“Zero Torque” (0) - torque command = 0.
“Speed Reg” (1) - drive operates as a speed
regulator.
“Torque Reg” (2) - an external torque reference is
used for the torque command.
Default:
Options:
1
0
1
2
3
4
5
6
7
“Speed Reg”
“Zero Torque”
“Speed Reg”
“Torque Reg”
“Min Torq/Spd”
“Max Torq/Spd”
“Sum Torq/Spd”
“Absolute Min”
“Pos/Spd Prof”
“Min Torq/Spd” (3) - selects the smallest algebraic value to regulate to when the torque reference
and torque generated from the speed regulator are compared.
“Max Torq/Spd” (4) - selects the largest algebraic value when the torque reference and the
torque generated from the speed regulator are compared.
“Sum Torq/Spd” (5) - selects the sum of the torque reference and the torque generated from the
speed regulator.
“Absolute Min” (6) - selects the smallest absolute algebraic value to regulate to when the torque
reference and torque generated from the speed regulator are compared.
“Pos/Spd Prof” (7) - drive operates as a speed or position regulator as determined by the Profile
Step parameters (720-877) and Setup parameters (705-719).
454 [Rev Speed Limit]
Sets a limit on speed in the negative direction,
when in FVC Vector mode. Used in bipolar mode
only. A value of zero disables this parameter and
uses [Maximum Speed] for reverse speed limit.
Default:
Min/Max:
Units:
0.0 RPM
–[Max Speed]/0.0 Hz
–[Max Speed]/0.0 RPM
0.0 Hz
0.0 RPM
Fil
e
Gr
oup
No
.
Parameter Name & Description
See
page 16
for symbol descriptions
Values
Rela
ted
FV
ATTENTION: The speed of the drive could reach [Maximum Speed] +
[Overspeed Limit] to meet required torque when any of the torque
modes have been selected. Equipment damage and/or personal injury
can result.
FV