Troubleshooting, Unbalanced or ungrounded distribution systems – Rockwell Automation 20B PowerFlex 70, PowerFlex 700 Reference Manual User Manual

Page 205

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Troubleshooting

Rockwell Automation Publication PFLEX-RM001H-EN-P - June 2013

205

PowerFlex 700 Firmware 3.001 (& later) Enhancements

Extra selections have been added to [Torque Ref A Sel] and [Torque Ref B Sel] in
firmware version 3.001 (and later) for the PowerFlex 700 Vector Control drive:

Scale Block Output available as a selection

Torque Setpoint 2 is new and available as a selection

Troubleshooting

See

Faults on page 101

and

Advanced Tuning on page 12

.

Unbalanced or
Ungrounded Distribution
Systems

Refer to

“Wiring and Grounding Guidelines for Pulse Width Modulated (PWM)

AC Drives,” publication DRIVES-IN001 for detailed information on
Unbalanced or Ungrounded Distribution Systems.

427
431

[Torque Ref A Sel]
[Torque Ref B Sel]

Selects the source of the external torque reference to
the drive. How this reference is used is dependent
upon [Speed/Torque Mod].

(1)

See User Manual for DPI port locations.

(2)

Vector firmware 3.001 and later.

Default:

Options:

1
1

0

1
2
3-17
18-2
2
23
24
25-2
8
29

“Torque Setpt”
“Disabled”

“Torque Setpt”
“Torque Stpt1”

(2)

“Analog In 1”
“Analog In 2”
“Reserved”
“DPI Port 1-5”

(1)

“Reserved”
“Disabled”
“Scale Block1-4”

(2)

“Torque Stpt2”

(2)

053

438

[Torque Setpoint2]

Provides an internal fixed value for Torque Setpoint
when [Torque Ref Sel] is set to “Torque Setpt 2.”

Default:

Min/Max:
Units:

0.0%

–/+800.0%
0.1%

FV

Vector
Vector

FV

Vector v3

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