Owner's manual

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Table Of Contents

Front Cover
Important User Information
Summary of Changes
- New and Updated Information
Table of Contents
Introduction
- Firmware Versions
- Manual Conventions
- Getting Assistance from Rockwell Automation
- Additional Resources
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
- General Requirements for the Installation Site
- Wiring Requirements for the Drive
  - Determining Wire Size Requirements
  - Verifying Power Module Output Current Rating Is Greater Than Chiller Running Load Amps
- Stopping the Drive
Mounting The Power Module and Grounding the Drive
- Lifting and Mounting the Drive
- Grounding the Drive
- Lifting and Mounting the Power Module
Installing Input and Output Power Wiring
- Installing Power Wiring from the AC Input Line to the Main Input Circuit Breaker
- Installing Wiring from the Power Module Output Terminals to the Motor
Completing the Installation
- Checking the Installation
- Powering Up After Installation Is Complete
Using the Start-up Routines
- Preparing for Startup
- Running the Start-up Routines
- Exiting Before Completing the Start-Up Routines
Programming Basics
- About Parameters
- How Parameters are Organized
- Inverter Parameters View
- Rectifier Parameters View
- Accessing the Parameters
  - Viewing Rectifier or Inverter Parameters
- Selecting the Parameter Access Level
  - Inverter Parameters Basic Access Level
  - Rectifier Parameters Basic Access Level
- Security and Passwords
  - If There is More Than One OIM Connected to the Drive
Parameter Descriptions
- What the Symbols Mean
- Parameter Organization
- Inverter Parameters
- Rectifier Parameters
Troubleshooting the Drive
- Verify that the DC Bus Capacitors are Discharged Before Servicing the Drive
- Determining Drive Status Using the Status LEDs
- About Alarms
  - Alarm Descriptions
- 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
  - Contacting Technical Support for Assistance
Technical Specifications
- Service Conditions
- Environmental Conditions
- Cooling System Specifications (Refrigerant)
- Motor Overload Protection
Using the OIM
- Installing and Removing the OIM
  - Removing the OIM While the Drive is Powered
- Display Description
  - Key Descriptions
- OIM Menu Structure
- Powering Up and Adjusting the OIM
- Selecting a Device in the System
- Using the OIM to Program the Drive
  - Viewing and Adjusting Parameters
  - Loading and Saving User Sets
- 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
  - Starting the Drive
  - Stopping the Drive
LiquiFlo 2.0 Drive Frame 3 Wiring Diagrams
- Frame 3 Wiring Diagrams
LiquiFlo 2.0 Drive Frame 4 Wiring Diagrams
- Frame 4 Wiring Diagrams
Index
Back Cover

102 Rockwell Automation Publication D2-3518-3 - May 2013

Chapter 9

Figure 42 - PI Status (134)

Bit 0 – PI Enabled

• Indicates whether or not the PI loop is enabled.

Bit 1 – PI Hold

• Is set to 1 to indicate when a digital input is configured for PI Hold and is

turned on, or the PI Hold bit is set in PI Control (125).

Bit 2 – PI Reset

• Is set to 1 to indicate when the PI Integrator is being reset to zero.

Bit 3 – PI InLimit

• Is set to 1 to indicate when the PI output equals positive limit or negative

limit.

Present value of the PI reference signal.

Present value of the PI feedback signal.

135 PI Ref Meter

Range: -/+100.00% [0.01%]

Default: Read Only

Access: 1 Path: Speed Command > Process PI