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20-HIM-A6
20-HIM-A6
20-HIM-A6
20-HIM-A6

Allen-Bradley 20-HIM-A6 PowerFlex HIM with LCD Keypad

  • Model: 20-HIM-A6
  • Brand: Allen-Bradley (Rockwell Automation)
  • Series: PowerFlex Architecture Class
  • Core Function: Drive configuration, monitoring, and diagnostics
  • Product Type: Human Interface Module (HIM)
  • Key Specs: LCD display, full numeric keypad, DPI communication
  • Condition: New Original / New Surplus
  • Availability: Active Product, In Stock (subject to inventory)
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Description

Key Technical Specifications

Parameter Value
Model 20-HIM-A6
Manufacturer Allen-Bradley (Rockwell Automation)
Product Type Human Interface Module (HIM)
Product Family PowerFlex Architecture Class
Display LCD
Keypad Full Numeric Keypad
Communication Interface Drive Peripheral Interface (DPI™)
Supported DPI Data Rates 125 kbps or 500 kbps
Power Supply 12 VDC supplied by host drive
Current Consumption Approximately 140 mA
Operating Temperature 0 °C to +50 °C
Storage Temperature −40 °C to +85 °C
Relative Humidity 5–95%, non-condensing
Mounting Local drive mount or handheld operation
Enclosure Rating NEMA Type 1
Lifecycle Status Active

 

Product Introduction

The Allen-Bradley 20-HIM-A6 is a PowerFlex Architecture Class Human Interface Module (HIM) designed for local configuration, commissioning, diagnostics, and monitoring of PowerFlex AC drives. It features an LCD display with a full numeric keypad, allowing engineers to access parameters, monitor operating status, and troubleshoot drives without connecting a computer.

The 20-HIM-A6 supports PowerFlex 753, PowerFlex 755, and is backward compatible with many earlier PowerFlex 7-Class drives, although some advanced functions may be limited on legacy models. It communicates through the Drive Peripheral Interface (DPI™) and can be mounted directly on the drive or used as a handheld operator with the appropriate cable.

20-HIM-A6

20-HIM-A6

20-HIM-A6

20-HIM-A6

20-HIM-A6

20-HIM-A6

Installation & Configuration Guide

 

Stage 1 – Pre-Installation Preparation (5–10 Minutes)

⚠️ Safety First

  1. Notify operations before shutting down the equipment.
  2. Perform Lock-Out/Tag-Out (LOTO).
  3. Remove input power from the drive.
  4. Wait for the DC bus capacitors to discharge completely before opening the enclosure.

Required Tools

  • ESD wrist strap
  • Phillips screwdriver
  • Digital multimeter
  • Drive documentation

Preparation

  • Verify the replacement part number is 20-HIM-A6.
  • Record existing drive parameters.
  • Confirm firmware compatibility if replacing an older HIM.

 

Stage 2 – Removing the Existing HIM (5 Minutes)

  1. Remove the drive bezel if required.
  2. Disconnect the existing HIM from the DPI connector.
  3. Inspect the connector for bent pins or contamination.
  4. Keep the original HIM available until commissioning is complete.

⚠️ Avoid applying excessive force when disconnecting the module.

 

Stage 3 – Installing the 20-HIM-A6 (5 Minutes)

  1. Wear an ESD wrist strap.
  2. Align the HIM with the drive connector.
  3. Press evenly until fully seated.
  4. Secure the mounting hardware if applicable.
  5. Restore the front cover.

Installation Checklist

  • ☑ Correct model installed
  • ☑ HIM fully seated
  • ☑ Connector inspected
  • ☑ Cover secured

 

Stage 4 – Power-Up & Commissioning (10 Minutes)

  1. Restore power to the drive.
  2. Verify the LCD initializes correctly.
  3. Confirm communication with the PowerFlex drive.
  4. Review drive status and fault history.
  5. Verify key operating parameters.
  6. Perform a functional run test.

⚠️ If updating HIM firmware, never remove power during the update process. Interrupting the download can permanently damage the HIM.

 

Frequently Asked Questions (FAQ)

Q1. Which drives are compatible with the 20-HIM-A6?

The 20- is designed primarily for PowerFlex 753 and PowerFlex 755 drives and is backward compatible with many PowerFlex 7-Class drives, although some newer features may not be available on older products.

Q2. Is the 20- still an active product?

Yes. Rockwell Automation lists the as an Active product with ongoing support and a standard one-year warranty.

Q3. Does the 20- replace older HIM models?

Yes. The is the direct replacement for discontinued models such as 20-HIM-A3 and 20-HIM-A5.

Q4. Can the HIM be used as a handheld programmer?

Yes. The module supports both drive-mounted operation and handheld operation when used with the appropriate interface cable. This allows commissioning or troubleshooting without permanently mounting the HIM.

Q5. What should I verify before ordering?

Confirm the following:

  • Exact catalog number ()
  • Compatible PowerFlex drive model
  • Required firmware revision
  • Mounting method (local or handheld)
  • DPI communication requirements
  • Application environment (NEMA Type 1)

Verifying these details before purchase helps ensure compatibility and minimizes commissioning time.

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