{"product_id":"ic693cmm301-series-90-30-ge-fanuc-global-data-module","title":"IC693CMM301 Series 90-30 GE Fanuc Global Data Module","description":"\u003ch3\u003e\u003cstrong\u003eIC693CMM301 – Genius Bus Communication for Series 90-30 PLC Systems\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #1673b1;\"\u003e\u003cstrong\u003eGE Fanuc IC693CMM301\u003c\/strong\u003e\u003c\/span\u003e is a Genius Communications Module for the Series 90-30 PLC platform. It enables automatic Global Data exchange between the host PLC and other devices on a Genius bus.\u003c\/p\u003e\n\u003cp\u003eInstead of relying on repeated application-level polling, the module broadcasts configured data automatically. Other compatible devices can receive this information through the shared bus database.\u003c\/p\u003e\n\u003cp\u003eThis architecture supports coordinated data exchange between PLC stations, programming equipment, and monitoring computers. It is useful for distributed control systems that require periodic sharing of real-time control information.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e01 | Communication Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHost platform:\u003c\/strong\u003e GE Fanuc Series 90-30 PLC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork:\u003c\/strong\u003e Genius serial communication bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication method:\u003c\/strong\u003e Automatic and repeated Global Data transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice capacity:\u003c\/strong\u003e Communication with up to 7 additional devices on the Genius bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported data:\u003c\/strong\u003e Global Data exchanged through the shared database.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e System programming software or a Hand-held Programmer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module can exchange Global Data with compatible Series 90-30 and Series 90-70 PLC systems. Other computers can also participate through suitable Genius communication hardware.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e02 | Global Data Capacity and Allocation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe IC693CMM301 supports up to \u003cstrong\u003e256 bits (32 bytes) of Global Data per communications module\u003c\/strong\u003e. The configured data length can be adjusted in 32-bit increments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum data length:\u003c\/strong\u003e 256 bits per module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquivalent capacity:\u003c\/strong\u003e 32 bytes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration increment:\u003c\/strong\u003e 32 bits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLC memory:\u003c\/strong\u003e Global Data uses the Series 90-30 %G memory area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData direction:\u003c\/strong\u003e The module can broadcast data and receive data from other configured devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering note:\u003c\/strong\u003e The 256-bit limit applies to the module's Global Data capacity. It does not mean that every connected device receives a separate 256-bit data block. Actual allocation depends on the bus Device Numbers, configured data lengths, and available %G memory in the host PLC.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e03 | Front-Panel Status and Diagnostics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTwo LEDs provide basic information about module startup and Genius bus communication.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eLED\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eNormal \/ Abnormal Indication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOK\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModule operating status\u003c\/td\u003e\n\u003ctd\u003eTurns on after the module completes its power-up diagnostics.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCOM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenius bus communication status\u003c\/td\u003e\n\u003ctd\u003eNormally remains on after successful initialization and bus communication.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eA blinking COM LED can indicate intermittent communication errors. Possible causes include electrical noise, incorrect bus wiring, baud-rate conflicts, or Device Number conflicts.\u003c\/p\u003e\n\u003cp\u003eIf COM remains off, check whether the host PLC has initialized the module configuration. Also inspect the bus condition before replacing the communication module.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e04 | Installation and Commissioning Considerations\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the host rack:\u003c\/strong\u003e Confirm that the target rack and Series 90-30 CPU support the module's hardware revision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the module:\u003c\/strong\u003e Insert the module into the appropriate PLC backplate slot and secure its mechanical latch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the Genius bus:\u003c\/strong\u003e Follow the system wiring diagram for serial conductors, shield connections, and bus termination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure the module:\u003c\/strong\u003e Use compatible system programming software or a Hand-held Programmer. The module has no configuration jumpers or DIP switches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssign communication parameters:\u003c\/strong\u003e Check the Device Number, baud rate, and Global Data length against the complete bus configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify operation:\u003c\/strong\u003e Confirm that OK is on and COM remains steadily on during normal communication.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCommissioning advice:\u003c\/strong\u003e Record the original Device Number assignments and %G memory allocation before changing an existing installation. A configuration mismatch can interrupt data exchange even when the module itself passes its startup diagnostics.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e05 | Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGE Fanuc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIC693CMM301\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenius Communications Module (GCM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeries 90-30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHost PLC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeries 90-30 PLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Network\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenius bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlobal Data exchange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Global Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e256 bits (32 bytes) per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Length Increment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdditional Bus Devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem programming software or Hand-held Programmer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration Switches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo jumpers or DIP switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus Indicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOK LED, COM LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to +60°C (+32°F to +140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-25°C to +70°C (-13°F to +158°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003e06 | Compatibility and Replacement Checks\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe IC693CMM301 belongs to the legacy GE Fanuc Series 90-30 control platform. Before purchasing a replacement, verify more than the model number.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the host PLC CPU model and firmware compatibility.\u003c\/li\u003e\n\u003cli\u003eCheck the module's hardware revision and any applicable upgrade requirements.\u003c\/li\u003e\n\u003cli\u003eVerify the existing Genius bus baud rate and Device Number assignments.\u003c\/li\u003e\n\u003cli\u003eCompare the original Global Data configuration and %G memory allocation.\u003c\/li\u003e\n\u003cli\u003eConfirm the required communication path for Series 90-70 or other third-party devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor remote-rack applications, module revision is particularly important. Earlier hardware revisions may require an upgrade to support certain remote-rack configurations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e07 | Frequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What should be checked when the IC693CMM301 shows OK but the PLC receives incorrect Global Data?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStart with the Device Number assignments and %G memory mapping. Then compare the sender's broadcast length with the receiver's configured data length. An active OK LED confirms module startup diagnostics, but it does not verify that the application uses the correct data addresses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can a replacement module work without rebuilding the original Genius bus configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDo not assume the replacement will automatically inherit the previous settings. Record the original Device Number, baud rate, and Global Data allocation before removal. Configure the replacement to match the existing network, then verify communication with the host PLC and other bus devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Why can communication errors appear after adding another PLC to the Genius bus?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCheck for duplicate Device Numbers and conflicting baud-rate settings first. Also review Global Data allocation because additional transmitting devices may occupy Device Number ranges required by other stations. Confirm that the bus wiring and termination remain correct after the network modification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Does the 256-bit capacity mean the module can exchange 256 bits with every connected PLC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 256-bit figure is the maximum Global Data length per IC693CMM301. The available data space is shared through the Genius bus addressing and the host PLC's %G memory. The actual amount available to each station depends on the configured network allocation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What information should be collected before replacing an IC693CMM301 in an operating plant?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecord the CPU model, module revision, Genius bus baud rate, Device Number, %G memory allocation, and current LED status. Save the PLC hardware configuration and communication settings where possible. These records help reduce commissioning time and make it easier to distinguish a module fault from a network configuration problem.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IC693CMM301.png?v=1794383411\" alt=\"\"\u003e\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":45013992276150,"sku":"IC693CPU364A","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IC693CMM301-1.jpg?v=1794383413","url":"https:\/\/www.plcsparehub.com\/products\/ic693cmm301-series-90-30-ge-fanuc-global-data-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}