Manual
Table Of Contents
- PowerFlex 700H Adjustable Frequency AC Drive Programming Manual
- Summary of Changes
- Table of Contents
- Preface
- 1 - Drive Start-Up
- 2 - Programming and Parameters
- 3 - Troubleshooting
- Drive Status
- Faults and Alarms
- Manually Clear Faults
- Fault and Alarm Descriptions
- Fault Subcodes
- Clear Alarms
- Common Drive Symptoms and Corrective Actions
- Drive does not Start from Start or Run Inputs Wired to the Terminal Block
- Drive does not Start from HIM
- Drive does not Respond to Changes in Speed Command
- Motor and/or Drive will not Accelerate to Commanded Speed
- Motor Operation is Unstable
- Drive will not Reverse Motor Direction
- Stopping the Drive Results in a Decel Inhibit Fault
- Technical Support Options
- A - HIM Overview
- B - Application Notes
- C - History of Changes
- Index
- Back Cover

Rockwell Automation Publication 20C-PM001F-EN-P - March 2012 95
Application Notes Appendix B
If no digital input is configured to “PI Enable,” then only the Bit 0 = 1 condition
must be met. If the bit is permanently set to a “1”, then the loop will become
enabled as soon as the drive goes into “run”.
PI Pre-load Value
PI Pre-load Value = 0 PI Pre-load Value > 0
Pre-load to Command Speed
PI Enabled
Spd Cmd
PI Output
Start at Spd Cmd
-100.0 -75.0 -50.0 -25.0 0.0 25.0 50.0 75.0 100.0
Normalized Feedback
Normalized SQRT(Feedback)
-100.0
-75.0
-50.0
-25.0
0.0
25.0
50.0
75.0
100.0