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- Allen Bradley
- 20-HIM-C3
- PowerFlex Human-Machine Interface Module
- USA
- 180 x 25 x 93 mm
- 0.173 kg
- Xiamen, China
- New & In Stock
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- 1 Year
- 1-3 Working Days
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen-Bradley 20-HIM-C3 is a remote Human Interface Module (HIM) designed for PowerFlex AC drives. It provides an external LCD keypad interface for configuring, monitoring, and controlling drive parameters without opening the electrical cabinet.
It is typically used with PowerFlex 70, 700, 700H, 700S, and related drive families in industrial automation systems where safe door-mounted or remote operation is required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 20-HIM-C3 |
| Product Type | Human Interface Module (Remote LCD Keypad) |
| Function | Drive monitoring, configuration, and local control |
| Display | LCD screen with keypad interface |
| Communication | DPI (Drive Peripheral Interface) |
| Mounting Type | Remote / panel-mounted (with cable connection) |
| Cable | Typically used with 1202-Cxx series cables |
| Compatibility | PowerFlex 70 / 700 / 700H / 700S / 700L |
| Weight | ~0.173 kg |
| Dimensions | 180 × 25 × 93 mm |
Function and Working Principle
The 20-HIM-C3 operates as an external control terminal connected to the drive via DPI communication. It allows users to:
- View and modify drive parameters remotely
- Monitor real-time operating status and faults
- Start/stop and control the drive (based on access level)
- Perform diagnostics and troubleshooting without opening the cabinet
It extends the drive’s local interface to a safer external location.
Role in Industrial Systems
This module is commonly used to improve:
- Operator safety (no need to open energized cabinets)
- Maintenance efficiency
- Accessibility of drive control interfaces
- Real-time troubleshooting in industrial environments
Industrial Applications
- Conveyor systems
- Pumping stations
- HVAC control systems
- Manufacturing machinery
- Process automation systems
Installation Notes
- Connected via DPI cable to PowerFlex drive
- Installed on panel door or control enclosure exterior
- Requires correct cable routing and shielding
- Must be configured to match drive communication settings
Compatible Equipment
- PowerFlex 70 / 700 / 700H / 700S / 700L
- DPI-based Rockwell drive systems
- Remote HIM bezel kits (e.g., 20-HIM-B1)
- 1202-C series communication cables
Key Advantages
- Safe remote access to drive control
- Full LCD-based parameter navigation
- Reduces need for cabinet opening
- Improves maintenance efficiency
- Compatible across multiple PowerFlex 7-class drives
Limitations
- Requires external cable connection
- Not a standalone controller (depends on drive)
- DPI-based legacy communication architecture
- Replaced in some systems by newer HIM and Ethernet-based HMIs
Conclusion
The Allen-Bradley 20-HIM-C3 Human Interface Module is a remote LCD keypad solution that provides safe and convenient access to PowerFlex drive control and diagnostics.
It is widely used in industrial automation systems to improve usability, safety, and maintenance efficiency for PowerFlex 7-series drives.