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IC697CMM742 Wiring

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  • IC697CMM742
  • IC697CMM742 Wiring

Product Description

The IC697CMM742 module is an Ethernet Interface designed by GE for series 90-70 Type 2.
The IC697CMM742 module is equipped with three network ports that establish connection between the IC697 PLC and Ethernet LAN. The Ethernet interface module’s network port is standard and designed with 15 pins that offer a choice of 10Base5, 10Base2, 10BaseT, 10BaseF, or 10Broad36 medium with a user-supplied 802.3-compatible transceiver.

The IC697CMM742 Ethernet interface (type 2) also includes preloaded firmware for simple installation; additionally, firmware is easy to upgrade and maintained indefinitely. This interface provides data exchange via configuration/logic-based Ethernet global data, TCP/IP communication via SRTP, full PLC programming/configuration, and comprehensive station management/diagnostic tools.

The IC697CMM742 Ethernet interface is equipped with four LEDs: MODULE OK, LAN ONLINE, SERIAL ACTIVE, and STATUS OK. If diagnostics are successful, the MODULE OK LED will emit ON. If diagnostics fail, the LED will remain OFF. Blinking during diagnostics is normal and/or indicates special operation conditions. The LAN ONLINE LED will emit ON when connected to the network and ready. It will emit OFF if there is a disruption or malfunction. Blinking is normal to indicate transferring data. SERIAL ACTIVE will show OFF during inactivity and will blink during data transfer. STATUS OK is ON indicates normal operation. OFF indicates an event that needs the user’s attention, and again, blinking is normal.

The IC697CMM742 is also equipped with a restart button that has four purposes: LED test, restart, restart and enter software load state and restart and enter maintenance state. Please see the IC697CMM742 manual for additional information. 

GE Fanuc GE Fanuc Series 90-70

SKU 2178331  UPC 0799705794986

Part Number: IC697CMM742 / ic697cmm742
Mfr/Brand Name: GE Automation
Mfr Number: IC697CMM742 / ic697cmm742
Type: Ethernet Interface (Type 2) Module

Technical Specifications

  • Connects IC697 PLC to an IEEE 802.3 CSMA/CD
  • 10BaseT and 10Base2 network ports
  • Standard 15-pin AUI network
  • Firmware is pre-loaded for easy installation
  • Comprehensive Station Management
  • Diagnostic Tools
Troubleshooting and Product Information for IC697CMM742

Download product information, troubleshooting guides and operation manuals to get your PLC operational.

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Other IC697CMM742

Available Revisions:

1C697CMM742 , GEFIC697CMM742 , CIMIC697CMM742





+5 VDC, +12 VDC (from PLC power supply)

2.0 Amps (+5 VDC), typical

0.5 Amps (+12 VDC), maximum when powering an external AUItransceiver

0o C to +55oC (32oF to 131oF), ambient


  Station Manager (RS-232) Port: 6-pin female RJ-11

  Software Load (RS-485) Port: 15-pin female D-connector

  10BaseT Port: 8-pin female RJ-45

   AUI Port: 15-pin female D-connectorwithslide-lock

10Base2 port: female BNC connector

5 x 20mm, 250V, 1.0A, slow acting








Fuse, Replaceable



IEEE 802.2 Logical Link Control Class I

IEEE 802.3 CSMA / CDMediumAccess Control 10Mbps

Station Mgr Port: RS-232 DTE 300 - 19200 bps Software Load Port: RS-485 DTE 300 - 19200 bps

10BaseTPort: Ethernet, IEEE 802.3 CSMA / CD 10Base2 Port: Ethernet, IEEE 802.3 CSMA / CD AUI Port:       Ethernet, IEEE 802.3 CSMA / CD

(transceiver SQE must be enabled)


Serial Ports


Troubleshooting IC697CMM742

Troubleshooting information is available on IC697CMM742's website page; it also includes a datasheet user-manual and a wiring diagram.

Repair your IC697CMM742

PDF Supply can repair your IC697CMM742 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.

Changing Timeout Value for an IC697CMM742


As Per GFK-1401B, there are some instances where the Timeout value for an Ethernet Interface may need to be increased for proper communications as follows:


Adjusting the Ethernet Interface Time-out Parameter for Dial-Up Networking

In some cases it may be necessary to adjust certain parameters in the Series 90 Ethernet Interface modules to work reliably with dial-up connections.

The TCP-Layer implementation on the Series 90 TCP/IP Ethernet Interface uses a retry mechanism that will cause a transmitted packet to be retransmitted if a proper acknowledgment is not received from the remote host (such as Logicmaster 90) within a specified time period. This time period is set by default to 1 second. While using Dial-Up Networking, this value may be too small and can cause excessive traffic through the network server device and, on Logicmaster 90, "(S34) Communication Failed" PLC faults.

If you are using Logicmaster 90 via Dial-Up Networking, GE Intelligent Platforms recommends setting this value to at least 3 seconds. Users of Series 90-70 IC697CMM742 Interfaces, Series 90-30 Ethernet Interfaces, and IC693CPU364 CPUs can change the value using the Station Manager function of the Interface. To do so, you must connect a terminal or terminal emulator to the Ethernet Module's Station Manager RS232 port using IC693CBL316 cable, put the module in Maintenance state, then do the following Station Manager command: CHPARM WMIN_TO 300. This changes the parameter wmin_to from 100 (default - 1second) to 300 (3 seconds). This change can be confirmed by typing PARM W. When satisfied, restart the Ethernet module to return it to the Operational state. For detailed instructions about using station manager commands refer to GFK-1186 TCP/IP Ethernet Communications for the Series 90 PLC, Station Manager Manual.

Users of IC697CMM741 should call GE Intelligent Platforms for a field-runnable utility to modify the Interface's WMIN_TO value.

Please refer to attached document that describes the step by step procedure. The Station Manager Utility is also attached.


Customer Questions and Answers

  • Question:  What is an IC697CMM742?  Answer:  The IC697CMM742 is an Ethernet Interface from the GE Fanuc 90-70 Series.
  • Question:  In Proficy what should I be doing?  Answer:  You should make sure you select everything you see physically in front of you, in Proficy. 
  • Question:  How do I go into configuration?  Answer:  Right click on slot #2, hit configure, give it an IP address, and a sub-net mask.
  • Question:  What IP address should I give IC697CMM742?  Answer:  Give it an IP address that is far above anything you have on your network so it doesn't get confused and when you ping it, you know you're only pinging this device.
  • Question:  What should I do next?  Answer:  Plug a local Ethernet cable into where it says 10 Base T. You should get a LAN LED blinking and that will let you know you're ready to ping this device.
  • Question:  How do I ping it?  Answer:  Go into Command Prompt, ask it to ping the address you put in, hit enter, and you will be looking for a reply. 
  • Question:  What else should I check on IC697CMM742?  Answer:  You should check the AAUI port.
  • Question:  What should I do if my IC697CMM742 is not working?  Answer:  Your IC697CMM742 may need repair

For more information on the IC697CMM742 Ethernet Interface of the GE Fanuc 90-70 Series, please see the Datasheet User-Manual. 


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