IC660HHM501
Product Name
GE Fanuc IC660HHM501 Handheld Human-Machine Interface (HMI) Module (Series 90-30 PLC Dedicated)
(Naming convention explanation:
- “IC660”: Identifies the Series 90-30 PLC system family
- “HHM”: Stands for “Handheld Man-Machine” interface, indicating its portable operator control function
- “501”: Designates the enhanced model with expanded display and communication capabilities)
2. Product Description
The IC660HHM501 is a rugged, battery-powered handheld HMI designed to provide local access to Series 90-30 PLC systems. It serves as a portable operator interface for monitoring process variables, modifying setpoints, and troubleshooting PLC operations in industrial environments where fixed HMIs are impractical.
Key features include:
- Compact, lightweight design for easy portability in factory settings
- Monochrome LCD display for clear visibility of process data and status messages
- Integrated keypad for inputting commands and parameter adjustments
- Direct connection to Series 90-30 PLCs via dedicated communication ports
- Battery operation for flexible use across different areas of a facility
This module is widely used in manufacturing, material handling, and process control applications, enabling operators to interact with PLC systems without being tethered to a fixed control panel.
3. Technical Parameters
| Parameter Category | Specifications |
|---|---|
| Display | – Type: Monochrome LCD
– Resolution: 240 × 128 pixels – Character Capacity: 24 × 8 characters – Backlight: LED (adjustable intensity) |
| User Interface | – Keypad: 28 keys (including function, numeric, and navigation keys)
– Programmable Function Keys: 8 configurable keys for quick access to common functions |
| Communication | – Interface: RS-232C port for connection to Series 90-30 PLCs
– Protocol: GE Fanuc proprietary protocol |



