Owner's manual
Table Of Contents
- Front Cover
- Important User Information
- Summary of Changes
- Table of Contents
- Introduction
- About the Drive
- Identifying the Drive by Cabinet Assembly ID Number
- LiquiFlo 2.0 Drive Component Locations
- Identifying the Power Module by Model Number
- AC Line I/O Board Description (Frame 3 Only)
- Standard I/O Board Description (Frame 3 Only)
- Combined I/O Board Description (Frame 4 Only)
- DPI Communication Ports
- Optional Equipment
- Planning the Installation
- Mounting The Power Module and Grounding the Drive
- Installing Input and Output Power Wiring
- Completing the Installation
- Using the Start-up Routines
- Programming Basics
- Parameter Descriptions
- Troubleshooting the Drive
- Verify that the DC Bus Capacitors are Discharged Before Servicing the Drive
- Determining Drive Status Using the Status LEDs
- About Alarms
- About Faults
- Diagnostic Parameters
- Common Symptoms and Corrective Actions
- Replacement Parts
- Board Replacement, Firmware Setup Procedures
- Troubleshooting the Drive Using the OIM
- Checking the Power Modules with Input Power Off
- Technical Specifications
- Using the OIM
- Installing and Removing the OIM
- Display Description
- OIM Menu Structure
- Powering Up and Adjusting the OIM
- Selecting a Device in the System
- Using the OIM to Program the Drive
- Monitoring the Drive Using the Process Display Screen on the OIM
- Displaying and Changing the OIM Reference
- Customizing the Process Display Screen
- Customizing the Function Keys
- Controlling the Drive From the OIM
- LiquiFlo 2.0 Drive Frame 3 Wiring Diagrams
- LiquiFlo 2.0 Drive Frame 4 Wiring Diagrams
- Index
- Back Cover

Rockwell Automation Publication D2-3518-3 - May 2013 109
Chapter 9
Derivative gain for the bus regulator. Used to control regulator overshoot.
This parameter is not used with LiquiFlo 2.0 AC drives.
Enables/disables the function which reconnects to a spinning motor at actual
RPM when a start command is issued.
Adjusts the responsiveness of the flying start function. Increasing the value in this
parameter increases the responsiveness of the flying start function.
165 Bus Reg Kd
Range: 0...10000
Default: 1000
Access: 1 Path: Dynamic Control > Stop/Brake Modes
See also:
168 Start At PowerUp
Range: 0 = Disabled
Default: 0 = Disabled
Access: 0 Path: Dynamic Control > Stop/Restart Modes
See also:
169 Flying Start En
Range: 0 = Disabled
1 = Enabled
Default: 0 = Disabled
Access: 1 Path: Dynamic Control > Stop/Restart Modes
See also: 170
170 Flying Start Gain
Range: 20...32767 [1]
Default: 4000
Access: 1 Path: Dynamic Control > Restart Modes
See also: 169
174 Auto Rstrt Tries
Range: 0...9 [1]
Default: 0 (Disabled)
Access: 0 Path: Dynamic Control > Restart Modes
See also: 175
ATTENTION: Equipment damage and/or personal injury may result if
parameter 174 is used in an inappropriate application. Do not use this function
without considering applicable local, national, and international codes,
standards, regulations, or industry guidelines.