Product Details
Overview
The 20-HIM-A3 is a Human Interface Module (HIM) designed by Allen-Bradley for PowerFlex AC drives.
It provides a user-friendly interface for monitoring, configuring, and controlling variable frequency drives (VFDs).
Equipped with a backlit LCD display, soft navigation keys, and parameter access functions, the module enhances real-time drive management and commissioning efficiency.
Technical Specifications
-
Manufacturer: Allen-Bradley (Rockwell Automation)
-
Model / Part Number: 20-HIM-A3
-
Product Type: Human Interface Module (HIM Keypad)
-
Compatible Series: PowerFlex 4, 40, 70, 700, and 755 drives
Electrical & Display Characteristics
-
Display Type: LCD with backlight
-
Display Lines: 4 lines, 16 characters per line
-
Power Source: Supplied from the drive (no external power required)
-
Interface Type: Drive-mounted or remote-mounted via 1202 cable
-
Keypad Type: Tactile membrane with navigation and function keys
-
Communication Port: RS-485 / DSI port
-
Memory Function: Non-volatile parameter storage
Environmental Ratings
-
Operating Temperature: 0°C to +50°C (32°F to 122°F)
-
Storage Temperature: –40°C to +85°C (–40°F to 185°F)
-
Relative Humidity: 5% to 95% non-condensing
-
Vibration Rating: 2 g, 10–500 Hz
-
Shock Resistance: 15 g (operating), 30 g (non-operating)
-
Enclosure Type: NEMA/UL Type Open
Physical Characteristics
-
Dimensions: 100 × 75 × 35 mm (3.9 × 2.9 × 1.4 in)
-
Mounting Options: Drive front or panel mount with adapter
-
Weight: 0.25 kg (0.55 lb)
Application Notes
The 20-HIM-A3 module simplifies drive setup and diagnostics by providing access to drive parameters, real-time data monitoring, and fault history logs.
It is ideal for use in commissioning, maintenance, and operator control environments. The HIM can be used directly on the drive or as a remote-mounted control station for convenient access in control panels or operator consoles.
FAQ
Q: Can the 20-HIM-A3 be used with multiple PowerFlex drive models?
A: Yes, it supports several PowerFlex series drives including PowerFlex 4, 40, 70, and 700 models.
Q: Does the HIM module store configuration data?
A: Yes, it includes non-volatile memory for parameter storage and transfer between drives.
Q: Can it be remotely mounted?
A: Yes, with the use of a 1202 communication cable, the HIM can be remotely installed up to 3 meters away.
Q: Does the display support multilingual operation?
A: Yes, it supports multiple languages for simplified international deployment.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Preventing Emergency Stop Spurious Trips in Industrial Control Systems
Emergency Stop pushbuttons use Normally Closed contacts for fail-safe safety, but mechanical wear can cause costly spurious trips. This technical guide examines E-Stop contact failure root causes, redundant hardware setups, PLC logic monitoring, and maintenance strategies to maximize plant availability.
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.
Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
The Site Acceptance Test (SAT) represents the definitive handover stage in industrial automation projects. While the Factory Acceptance Test confirms cabinet hardware assembly off-site, the SAT validates real-world performance under live site conditions. Consequently, a structured execution strategy prevents equipment damage and guarantees seamless integration into plant operations.