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Rockwell Automation 20-HIM-A6 Drive Human Interface Module

A keypad and LCD human interface module used to configure, monitor and operate a compatible drive.

System role

Rebuilt from individual evidence

Documented facts

Evidence limits

The Rockwell Automation product page identifies 20-HIM-A6 as an Accessory Type HIM with a full numeric keypad and LCD display.

The manufacturer manual documents installation in a compatible drive HIM bezel or port 1, with optional remote mounting through listed bezel accessories.

This human interface module displays drive status and provides keypad input for configuring and operating a compatible drive.

Unknown: installation-specific compatibility, firmware, wiring and unit condition.

Exact reference
20-HIM-A6
Category
HMI / Display
Evidence checked
2026-09-11

System role

This section explains what the product does and where it acts in the surrounding system.

Function
This human interface module displays drive status and provides keypad input for configuring and operating a compatible drive.
System position
It sits between upstream control or power and the downstream machine or network within the host drive operator interface.
Upstream / inputs
It receives operator key presses and drive status data from the host drive.
Downstream / outputs
It sends configuration or control input back to the host drive.
Limitations
Unknown: installation-specific compatibility, firmware, wiring and unit condition.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • The Rockwell Automation product page identifies 20-HIM-A6 as an Accessory Type HIM with a full numeric keypad and LCD display.

    Confidence: high

  • The manufacturer manual documents installation in a compatible drive HIM bezel or port 1, with optional remote mounting through listed bezel accessories.

    Confidence: high

Inferences

  • This human interface module displays drive status and provides keypad input for configuring and operating a compatible drive.

    Confidence: high

    Rationale: The source-backed identity and technical specification support the stated function and system position.

Unknowns

  • Unknown: installation-specific compatibility, firmware, wiring and unit condition.

    Confidence: low

    Missing evidence: A unit-specific inspection and complete installation record are not present in the captured sources.

System position diagram

Diagram showing 20-HIM-A6 between upstream control or power and downstream machine or network.

Reading limit: system position only, not a wiring or safety drawing.

System path showing where 20-HIM-A6 receives inputs and sends controlled outputs.

Enlarged system diagram

Diagram showing 20-HIM-A6 between upstream control or power and downstream machine or network.

System path showing where 20-HIM-A6 receives inputs and sends controlled outputs.

View Mermaid source
flowchart LR\n  upstream[Upstream control or power] --> product[20-HIM-A6]\n  product --> downstream[Machine or network]
View diagram labels
Nodes
Upstream control or power; 20-HIM-A6; Machine or network
Edges
Upstream command or power path; Controlled output or status path

Next action

The captured evidence supports this exact reference as a documented industrial component in the stated system role.

Verify host compatibility, wiring, firmware and unit condition before installation.

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