GE IC693CMM302 – Series 90-30 Enhanced Genius Communications Module (GCM+)

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Product Introduction:

The IC693CMM302 is an intelligent, high-speed communication module manufactured by GE Fanuc (now Emerson Automation) as part of the Series 90-30 PLC system. It functions as an Enhanced Genius Communications Module (GCM+), enabling automated global data exchange between a Series 90-30 PLC and up to 31 devices on a Genius bus. It supports peer-to-peer, master-slave, and PC-based monitoring communications, and is backward-compatible with existing Genius I/O networks. It is widely deployed in distributed control systems (DCS) and large-scale industrial automation for reliable, high-volume data transfer.

Technical Specifications

Manufacturer: GE Fanuc / Emerson Automation
Model: IC693CMM302
Series: Series 90-30 PLC System
Module Type: Enhanced Genius Communications Module (GCM+)
Network Compatibility: Genius Bus (proprietary GE protocol)
Max Nodes per Module: 31 devices (Genius bus)
Max Modules per PLC: 2 modules (up to 62 devices total)
Global Data Size: 128 Bytes transmit / 128 Bytes receive (per module)
Supported Registers: %G, %I, %Q, %AI, %AQ, %R
Port Interface: Genius Bus (RS-485-based, dual redundant ports)
Backplane Power: 5VDC, <300mA
Slot Size: Single-slot width
Mounting: CPU baseplate, expansion baseplate, or remote baseplate (any slot except CPU slot)
LED Indicators: 2 (OK, COMM)
Operating Temperature: 0°C to +60°C (32°F to 140°F)
Storage Temperature: -25°C to +70°C (-13°F to 158°F)
Relative Humidity: 5%–95% (non-condensing)
Certifications: CE, UL, CSA
Dimensions (W×H×D): 110mm × 66.8mm × 50mm
Weight: 0.30kg

Key Features

Enhanced Genius Protocol Support: Delivers high-speed, deterministic global data communication with up to 31 nodes per module.
Dual Redundant Ports: Provides network redundancy for uninterrupted communication in critical applications.
Large Global Data Exchange: Transfers 128 Bytes of transmit/receive data per module, supporting complex control logic and system-wide data sharing.
Multi-Device Compatibility: Communicates with Series 90-30, 90-70, and Series Six PLCs, as well as Genius I/O blocks and HHM (Handheld Monitor).
Diagnostic & Status LEDs:
- OK: Indicates backplane power and module health.
- COMM: Shows active Genius bus communication.
Software Configurable: Set network addresses, data ranges, and communication parameters via Proficy Machine Edition software.
Hot-Swappable: Allows replacement without shutting down the PLC system.
Robust Industrial Design: Withstands high electrical noise, temperature fluctuations, and harsh factory conditions.