IC693CMM321-GH | GE Fanuc | Ethernet Communication PLC

Product Overview

The IC693CMM321-GH is an Ethernet communication controller module for GE Fanuc Series 90‑30 PLCs. It enables TCP/IP connectivity between PLCs and external devices such as SCADA systems, HMIs, engineering workstations, and third-party controllers.

This module is part of the IC693CMM321 family (CD, EE, FG, GH), with the GH variant optimized for global Ethernet integration. It supports multiple communication protocols, allowing real-time data exchange across industrial networks for process control, utilities, and manufacturing environments.

Functional Description

The IC693CMM321-GH provides reliable Ethernet networking with client and server capabilities. Up to 16 simultaneous server/client connections are supported. The module includes:

• 1 × AAUI Ethernet port (requires external transceiver)

• 1 × RS‑232 RJ‑11 Station Manager port

• 1 × RS‑485 15-pin Loader port

Built-in LED indicators (OK, LAN, STAT, SER) allow real-time diagnostics and troubleshooting.

Technical Specifications

• Model Number: IC693CMM321-GH

• Manufacturer: GE Fanuc (Emerson/GE Intelligent Platforms)

• Product Type: Ethernet Interface Communication Module

• Product Line: Series 90-30

• Supported Protocols: TCP/IP, UDP, Modbus/TCP, SRTP, CCM, SNP

• Data Transfer Rate: 10 Mbps (via AAUI transceiver, 10Base-T/10Base-FL)

• Server Connections: Up to 16 simultaneous

• Power Supply: 5 VDC from backplane (450 mA)

• Operating Temperature: 0 °C to +60 °C

• Storage Temperature: –40 °C to +85 °C

• Dimensions: 142 × 32 × 130 mm (5.59 × 1.26 × 5.12 in)

• Weight: 0.25 kg (0.55 lbs)

• Mounting Style: Series 90‑30 baseplate slot

• Module Width: Single slot

• Interfaces: AAUI Ethernet port, RS‑232 RJ‑11, RS‑485 15-pin

• Diagnostics: LEDs (OK, LAN, STAT, SER)

• Compliance: CE, UL, CSA certified

• Lifecycle Status: Discontinued/Obsolete