The GE IC697CMM742 is a high-performance communication module designed for GE Fanuc’s Series 90-70 PLC systems, now part of Emerson Automation Solutions. Engineered to facilitate seamless data exchange between industrial controllers and enterprise networks, this module supports multiple protocols—including Ethernet/IP, Modbus TCP, and Profinet—making it ideal for integrating automation systems into modern manufacturing environments. With dual 10/100 Mbps Ethernet ports, the IC697CMM742 enables redundant network configurations, ensuring reliable communication even in the event of cable or switch failures. Its compact design fits into the IC697CHS770 rack, optimizing space in control cabinets while delivering robust connectivity for applications in automotive, oil & gas, and power generation industries.
The IC697CMM742 acts as a gateway between the PLC and external systems, such as HMIs, SCADA platforms, or cloud-based analytics tools. It supports both master and slave roles for Ethernet/IP and Modbus TCP, allowing bidirectional data transfer. The module’s hot-swappable capability enables maintenance without system shutdown, a critical feature for 24/7 operations. Additionally, its SNTP time synchronization ensures accurate timestamping of events across distributed systems, enhancing traceability and diagnostics.
| Parameter |
Value |
| Product Model |
GE IC697CMM742 |
| Manufacturer |
GE Fanuc (now Emerson Automation Solutions) |
| Product Type |
Multi-Protocol Ethernet Communication Module |
| Supported Protocols |
Ethernet/IP, Modbus TCP, Profinet, SNTP |
| Communication Ports |
2 x RJ45 (10/100 Mbps Ethernet, auto-sensing) |
| Network Topology |
Linear, star, or ring (with redundancy) |
| IP Addressing |
Static or DHCP |
| Data Transfer Rate |
Up to 100 Mbps |
| I/O Data Size |
2,048 bytes input, 2,048 bytes output (Ethernet/IP) |
| Power Requirements |
5V DC (500 mA), 24V DC (100 mA) |
| Operating Temperature |
-20°C to +60°C (-4°F to 140°F) |
| Dimensions (L x W x H) |
133 mm x 114 mm x 76 mm (5.2” x 4.5” x 3.0”) |
| Weight |
0.3 kg (0.66 lbs) |
| Certifications |
CE, UL, CSA, ATEX Zone 2 |
The GE IC697CMM742 excels in protocol versatility, supporting multiple industrial Ethernet standards in a single module. This eliminates the need for separate communication gateways, reducing hardware costs and simplifying system design. For example, in a smart factory, the module can simultaneously communicate with an Ethernet/IP-based robotic arm, a Modbus TCP-connected motor drive, and a Profinet-enabled conveyor system, all while maintaining time synchronization via SNTP.
Redundant network support enhances reliability. The dual Ethernet ports allow for ring or star topologies with automatic failover, ensuring continuous communication in the event of network disruptions. This is critical in applications like oil refineries, where communication failures could lead to safety risks or production losses. The module’s hot-swappable design further minimizes downtime during maintenance, as technicians can replace a faulty IC697CMM742 without shutting down the entire PLC system.
Advanced diagnostic capabilities simplify troubleshooting. The module provides real-time status information via LED indicators and diagnostic registers, allowing operators to monitor network health, detect communication errors, and identify faulty components quickly. Additionally, its firmware update capability via Ethernet ensures compatibility with evolving industrial protocols and security standards.
Seamless integration with GE’s
Proficy Machine Edition software streamlines configuration. Users can easily assign IP addresses, configure protocols, and map I/O data without complex programming. This reduces setup time and minimizes the risk of configuration errors, making the
IC697CMM742 suitable for both experienced engineers and technicians new to industrial networking.
In automotive manufacturing, the IC697CMM742 connects a Series 90-70 PLC to multiple Ethernet/IP-based robotic workcells. It enables real-time control of welding, painting, and assembly operations while synchronizing data with a central MES system via Modbus TCP. The module’s redundancy ensures uninterrupted production, even if a network cable is accidentally damaged.
Oil and gas pipelines use the IC697CMM742 to monitor pressure sensors and control valves across vast distances. The module communicates with remote RTUs via Ethernet/IP, while its SNTP capability ensures consistent timestamping of critical events for compliance and analytics. The IC697CMM742’s wide temperature tolerance makes it suitable for harsh outdoor environments.
Power generation plants deploy the module to integrate legacy PLCs with modern SCADA systems. The IC697CMM742 acts as a gateway, translating Modbus TCP commands from the SCADA system into protocols understood by the Series 90-70 PLC, enabling centralized monitoring and control of turbines, generators, and auxiliary systems.
- IC697CMM711 – Genius Bus communication module, often paired with the IC697CMM742 for hybrid networks combining Genius I/O and Ethernet.
- IC697CMM741M – Multi-protocol module supporting Profibus DP and Modbus RTU, complementing the IC697CMM742 in systems requiring legacy protocol support.
- IC697CPU770 – High-performance CPU module compatible with the IC697CMM742 in Series 90-70 systems.
- IC697CHS770 – Dual-redundant rack housing the IC697CMM742 and other Series 90-70 modules.
- IC697PWR710 – Power supply module ensuring stable operation of the IC697CMM742.
- IC697MDL645 – Discrete I/O module that communicates with the IC697CMM742 via the PLC backplane.
Install the GE IC697CMM742 in a IC697CHS770 rack, ensuring proper grounding and ventilation to maintain -20°C to +60°C operating conditions. Connect Ethernet cables to the module’s dual ports, configuring redundant paths if required. Use shielded twisted-pair cables to minimize EMI/RFI interference. Configure the module via Proficy Machine Edition software, setting IP addresses, subnet masks, and gateway parameters. Enable SNTP synchronization to ensure accurate timekeeping across the network.
Maintenance involves
quarterly inspections of LED indicators to verify network connectivity and module status. Use diagnostic tools to monitor network traffic, error rates, and communication latency. Replace the
IC697CMM742 if communication errors persist or if physical damage is detected. Firmware updates should be performed annually to enhance performance and address security vulnerabilities.
The GE IC697CMM742 is backed by a 1-year limited warranty covering manufacturing defects. Emerson Automation Solutions provides global technical support, including access to configuration guides, firmware updates, and troubleshooting resources. Extended warranty plans are available for mission-critical applications, offering priority response, on-site repairs, and coverage for wear and tear. Rigorous testing—including temperature cycling, vibration, and EMC compliance—validates the IC697CMM742’s reliability, reflecting Emerson’s commitment to delivering durable industrial automation solutions.
