IC697CMM742 GE Fanuc Series 90-70 Ethernet Interface Module

Product Overview & Architecture

The IC697CMM742 is an advanced Ethernet communication module purpose-built for the GE Fanuc and Emerson Automation Series 90-70 Programmable Logic Controller (PLC) architecture. Engineered to occupy a single CPU rack slot, this high-performance module bridges legacy control loops with modern plant-wide TCP/IP networks. It natively supports multi-port physical media connectivity—featuring 10BaseT, 10Base2, and 15-pin AUI transceiver interfaces—allowing control engineers flexible physical media integration without requiring external media converters.

Global PLC Spare HUB's Insight

In mature industrial automation networks where Series 90-70 controllers remain the core of continuous plant operations, seamless supervisory connectivity is critical. During a recent plant network revamp, deploying the IC697CMM742 allowed our engineering team to establish robust Ethernet Global Data (EGD) exchange alongside standard SRTP host communications. The automatic port selection feature significantly reduced configuration overhead on multi-drop topologies. Furthermore, the inclusion of an accessible front-panel reset pushbutton and a field-replaceable internal slow-acting fuse ensures that local maintenance teams can quickly isolate transceiver faults and restore network uptime without pulling the entire card from the backplane.

Core Technical Specifications

• Manufacturer & Brand: GE Fanuc / Emerson Automation
• Product Series: Series 90-70 PLC Architecture
• Part Number: IC697CMM742
• Hardware Form Factor: Single-slot width module for PLC CPU backplane installation
• Supported Network Ports: Three total options (One 10BaseT RJ45 port, One 10Base2 coax port, One 15-pin AUI transceiver port)
• Serial Communication Interfaces: One (1) RS-232 Station Manager port; One (1) RS-485 Software Load port
• Electrical Current Draw: 2.0 Amps at +5 VDC (typical); 0.5 Amps at +12 VDC maximum (when supplying external AUI transceiver power)
• Internal Protection: Replaceable 5 x 20mm, 250V, 1.0A slow-acting fuse for AUI port protection
• Operating Thermal Range: 0 degrees Celsius to +55 degrees Celsius (32 degrees Fahrenheit to +131 degrees Fahrenheit)
• Supported Data Protocols: IEEE 802.3 CSMA/CD, TCP/IP SRTP, and configuration/logic-based EGD

Deployment & Installation Guidelines

• Slot Placement: Insert the IC697CMM742 firmly into any designated available slot within the Series 90-70 CPU rack. Up to four similar Ethernet interface modules can co-exist within the same chassis rack depending on power budget limits.
• Software Configuration: Utilize IC641 programming software tools via the RS-485 serial port or network connection to define IP parameters and operational node attributes.
• Port Arbitration: The module automatically scans and selects the active physical network port (10BaseT, 10Base2, or AUI). Ensure only one primary network medium is active per communication drop to prevent loop conflicts.

Diagnostics & Troubleshooting Framework

• LED Indicator Matrix:
  • MODULE OK: Confirms internal hardware health and microprocessor watchdog integrity.
  • LAN ONLINE: Validates active physical data transmission and carrier sense over the Ethernet medium.
  • SERIAL ACTIVE: Flashes to indicate active polling or data traffic through the RS-232/RS-485 diagnostic ports.
  • STATUS: Monitors software execution stages and communication stack readiness.
• Hardware Reset: Use the front-panel tactile pushbutton to initiate a warm restart and re-initialize communication stacks without cycling whole rack power.
• Fuse Inspection: If the external AUI transceiver link drops unexpectedly, inspect the accessible 1.0A slow-acting fuse compartment for electrical overloads.

Target Hardware & Application Environments

• Compatible Equipment: Series 90-70 PLC central processing racks, programmer engineering stations, and legacy industrial workstations.
• Application Sectors: Large-scale discrete manufacturing lines, continuous chemical processing facilities, power generation switchyards, and municipal water treatment plants.
• Network Integration: Ideal for linking legacy Series 90-70 controllers to modern SCADA operator interfaces, plant-wide HMI terminals, and distributed control data historians.

Warranty & Global Logistics

• Warranty Protection: Fully backed by a comprehensive 12-month warranty covering structural hardware defects and functional performance.
• Express Shipping Carriers: Dispatched worldwide through reliable Tier-1 logistics partners including FedEx, UPS, and DHL.
• Fulfillment Timeline: Expedited processing ensures secure packaging and dispatch within 24-48 hours from order confirmation.

Purchasing Guide & Expert Selection Tips

• Rack Power Calculation: Always verify that your Series 90-70 power supply unit has sufficient capacity to handle the 2.0A (+5 VDC) draw of the IC697CMM742, especially in fully populated multi-slot racks.
• Transceiver Selection: If utilizing the AUI port, ensure you match your transceiver cable type to your legacy thick-net or thin-net architecture before commissioning.
• Inventory Planning: Keeping a spare IC697CMM742 module on-site drastically cuts mean time to repair (MTTR) for legacy Series 90-70 network drops.

Professional Frequently Asked Questions

Q: Can multiple IC697CMM742 modules operate in the same Series 90-70 CPU rack?
A: Yes, up to four Ethernet interface modules can be installed in a single CPU rack, provided the rack's power supply can support the cumulative current draw.

Q: How does the module determine which network port to use when multiple cables are plugged in?
A: The IC697CMM742 runs internal auto-sensing firmware that evaluates active link pulses and automatically locks onto the operational physical network port.

Q: What tool is required to configure the network parameters of this module?
A: Configuration is handled via the IC641 programming software suite, communicating through either the serial software load port or the established Ethernet connection.

Q: What maintenance steps should be taken if the LAN ONLINE indicator remains unlit?
A: Verify cable continuity, check network switch port configurations, and ensure that your physical medium (10BaseT, 10Base2, or AUI) matches your transceiver setting.

Q: Are expedited international shipping options available for urgent replacements?
A: Yes, all orders are shipped globally via FedEx, UPS, and DHL with prompt 24-48 hour turnaround times to minimize facility downtime.