Overview
The Allen-Bradley 20-HIM-A3 is a PowerFlex Architecture Class human interface module (HIM) that provides local operator control and monitoring for PowerFlex AC and DC drives. This handheld terminal features a 4-line x 20-character LCD display with backlit capability and a sealed full numeric keypad, making it suitable for both commissioning operations and ongoing drive management in harsh industrial environments.
Key Features
- 4-line x 20-character backlit LCD display for clear visibility
- Full numeric keypad with sealed membrane construction for durability
- Handheld or drive-mounted configuration flexibility
- Direct connection to PowerFlex drive control terminal block
- Real-time parameter monitoring and fault status display
- Function keys for convenient drive control and diagnostics
Technical Specifications
- Display Type: 4-line x 20-character LCD with backlight
- Keypad: Full numeric keypad with sealed membrane
- Mounting: Drive cover mount or handheld portable
- Series: 20-HIM (PowerFlex Architecture Class)
- Part Number: 20-HIM-A3
- Certifications: UL, CUL, CE, CCC, KC
- UPC: 662453737881
- Status: Discontinued October 2023
Typical Applications
The 20-HIM-A3 is primarily used for:
- PowerFlex drive commissioning and startup procedures
- Real-time drive parameter monitoring and adjustment
- Fault diagnosis and troubleshooting in the field
- Operation mode selection and speed adjustment
- System integration and maintenance by control technicians
Compatibility & Replacements
Compatible With
- PowerFlex 70 series drives
- PowerFlex 700 series drives (700, 700H, 700S, 700L)
- PowerFlex 700 DC drives
- PowerFlex 40 series drives
- PowerFlex 400 series drives
Replaces / Drop-In Replacement For
The Allen-Bradley 20-HIM-A3 serves as the operator interface for legacy PowerFlex systems. Verify specific model compatibility with your drive before ordering. Note: Not compatible with PowerFlex 753 or 755 drives.
Works With
- PowerFlex drive series hardware
- Allen-Bradley motor control firmware
- Direct terminal block communication (no network protocol required)
- Handheld or fixed mounting configurations
