Product Overview

The 20-HIM-A6​ is an Enhanced Human Interface Module (HIM) engineered by Allen-Bradley, a brand of Rockwell Automation, exclusively for the PowerFlex 7-Class and 750-Series AC drive ecosystem. As the operator-facing “command center” of the drive, the 20-HIM-A6​ replaces the basic numeric keypads of earlier HIM generations with a multi-line, full-text LCD display that presents parameter names, real-time process values, and fault descriptions in plain language—eliminating the need to cross-reference cryptic numeric codes with bulky manuals. The 20-HIM-A6​ is a NEMA Type 1 (IP20) device designed for indoor industrial installations, normally seated in the drive’s front bezel (Drive Port 1), but also capable of handheld operation via Drive Port 2 or remote panel-door mounting using dedicated bezel kits.Within the PowerFlex architecture, the 20-HIM-A6​ attaches to the host drive through a single Drive Peripheral Interface (DPI) connector, drawing its 12V DC operating power directly from the drive (140 mA typical) and communicating at 125 or 500 Kbps. This elegant “single-cable” integration means the 20-HIM-A6​ requires absolutely no external power supply, separate communication wiring, or auxiliary configuration—it is recognized instantly by the drive firmware upon insertion, even with the drive powered (hot-swappable). The module’s full numeric keypad, integrated navigation pad, dynamic context-sensitive soft keys, and dedicated Start/Stop/Direction keys provide tactile, error-free control for commissioning, manual jogging, and parameter editing. A standout capability of the 20-HIM-A6​ is its “CopyCat” feature, which leverages internal non-volatile memory to upload, store, and download complete parameter sets between drives—drastically reducing setup time when deploying or cloning multi-drive systems.The 20-HIM-A6​ embodies Rockwell Automation’s commitment to operator efficiency and global usability. It supports English and customary European and Asian languages (including Portuguese, French, Italian, German, Spanish, and Dutch), features a flashing LCD alarm mode for enhanced fault visibility, allows simplified custom name assignments for drives and peripherals (e.g., “Pump 1”), and enables customizable monitoring screens that display critical process variables as lists or individual dedicated pages. With a compact 116 × 70 × 16 mm footprint weighing just 91 grams, an operating temperature range of 0-50°C, 30G shock resistance, and 2.5G vibration tolerance, the 20-HIM-A6​ is built to withstand the rigors of industrial factory floors while delivering the clarity and precision demanded by modern motor control professionals.

Technical Specifications

Main Features and Advantages

The 20-HIM-A6​ delivers a transformative operator experience through its enhanced full-text LCD visualization. Unlike basic HIMs that force technicians to memorize or look up numeric parameter codes, the 20-HIM-A6​ displays descriptive parameter names, real-time diagnostic feedback, and plain-language fault descriptions directly on its multi-line screen. When alarms or faults occur, the 20-HIM-A6​ activates a flashing LCD mode that immediately draws operator attention to the problem, while dynamic soft keys adapt their functions based on the active screen or data-entry mode—reducing keypad complexity and streamlining interaction. This intelligent interface design makes the 20-HIM-A6​ exceptionally intuitive even for personnel unfamiliar with PowerFlex drive parameter numbering schemes.The CopyCat capability embedded in the 20-HIM-A6​ represents a quantum leap in multi-drive deployment efficiency. Using internal non-volatile memory, the 20-HIM-A6​ can upload a complete parameter set from a reference drive, store it, and subsequently download it to dozens of additional drives in a matter of seconds per unit. For machine builders, system integrators, and maintenance teams managing fleets of identical drives, the 20-HIM-A6‘s CopyCat feature eliminates hundreds of hours of repetitive manual parameter entry, ensures absolute consistency across all drives in a production line, and provides a convenient disaster-recovery mechanism for restoring drive configurations after hardware replacement.Superior tactile interaction sets the 20-HIM-A6​ apart from its predecessors (20-HIM-A3, 20-HIM-A5). The module features improved keypad touch response and a more satisfying tactile feel that minimizes data-entry errors during critical commissioning tasks. The full numeric keypad combined with an integrated navigation pad and dedicated Start, Stop, and Direction keys enables manual motor testing, jogging, and precise parameter editing without requiring a separate PLC, HMI panel, or laptop. Simplified custom name assignments allow users to label drives and peripherals with intuitive identifiers (e.g., “Pump 1”, “Conveyor A”), dramatically reducing the number of key presses required to navigate to a specific device and enhancing operational clarity in multi-drive installations.Seamless integration and installation flexibility make the 20-HIM-A6​ a maintenance technician’s best friend. The module can be inserted into the drive’s front bezel with the drive powered or unpowered—true hot-swappable convenience that allows on-the-fly replacement without disrupting production. For temporary handheld operation, the 20-HIM-A6​ plugs into Drive Port 2 using a 1-meter 20-HIM-H10 cable; for permanent remote mounting on a control cabinet door, it installs in a 20-HIM-B1 remote-mount bezel with an integrated 3-meter 1202-C30 cable. This triad of mounting options means the 20-HIM-A6​ adapts effortlessly to any installation topology, from drive-front embedded operation to ergonomic panel-door accessibility in large electrical enclosures. Broad global language support, password protection against unauthorized parameter changes, and customizable monitoring screens that display critical variables as lists or dedicated pages further cement the 20-HIM-A6​ as the definitive operator interface for the PowerFlex 7-Class and 750-Series drive families.