{"product_id":"ic693cmm311j-ge-fanuc-series-90-30-cmm-datasheet-technical-manual","title":"IC693CMM311J GE Fanuc Series 90-30 CMM Datasheet Technical Manual","description":"\u003ch2\u003eGE Fanuc IC693CMM311J Series 90-30 Communications Control Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for dedicated communication processing in GE Fanuc Series 90-30 PLC systems, the \u003cstrong\u003eGE Fanuc IC693CMM311J\u003c\/strong\u003e (\u003cstrong\u003eIC693CMM311\u003c\/strong\u003e Communications Coprocessor Module) provides direct physical\/electrical execution. The hardware functions as an autonomous interface layer that manages protocol encoding and decoding routines independently from the central processor. By assuming dedicated orchestration of external data requests, the single-slot board maintains deterministic execution cycles across local automation configurations.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIC693CMM311\u003c\/strong\u003e: Base part designation for the Series 90-30 Communications Coprocessor Module (CMM) supporting dual serial ports and standard multi-protocol operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuffix J\u003c\/strong\u003e: Identifies a specific hardware manufacturing layout revision. The J revision includes component modifications to optimize signal line characteristics on the physical layer transceivers and updates the internal logic substrate for long-term power stabilization.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIC693CMM311J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Fanuc (Emerson Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 kg (0.63 lbs) net board weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e17.8 cm x 15.2 cm x 7.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e+5 V DC @ 400 mA maximum drawn from the backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eCommunications Coprocessor Module (CMM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Port 1\u003c\/td\u003e\n\u003ctd\u003eDedicated RS-232 interface via 25-pin D-shell female connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Port 2\u003c\/td\u003e\n\u003ctd\u003eConfigurable RS-232 \/ RS-422 \/ RS-485 interface via 25-pin D-shell female connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eSNP, SNP-X, Modbus RTU Slave, Modbus ASCII Slave, CCM Slave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rates\u003c\/td\u003e\n\u003ctd\u003e300, 600, 1200, 2400, 4800, 9600, 19200 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Allocation\u003c\/td\u003e\n\u003ctd\u003eSingle slot width (Any baseplate slot except the dedicated CPU slot)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Scale\u003c\/td\u003e\n\u003ctd\u003eUp to 4 CMM modules per baseplate system assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003e3 x Front panel LEDs (Module OK, PORT1, PORT2 \/ US1, US2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Compatibility\u003c\/td\u003e\n\u003ctd\u003eIC693CBL305 Wye pre-assembled connection cable assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe GE Fanuc IC693CMM311J shifts serial protocol overhead away from the controller core, communicating across the rack assembly using parameters governed under backplane bus communication velocity licenses. This design prevents large serial packets from introducing erratic jitter into localized I\/O updates.\u003c\/p\u003e\n\u003cp\u003eWhen transitioning legacy Series 90-30 automation blocks into modern plant architectures structured around Profinet \/ EtherNet\/IP deterministic networks, this coprocessor manages the legacy serial nodes. The hardware architecture maintains specific register polling maps that match downstream I\/O density scaling profiles, ensuring consistent byte synchronization during parallel Modbus or SNP multidrop executions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the IC693CMM311J support full Modbus RTU Master configuration capabilities?\u003c\/p\u003e\n\u003cp\u003eA: No. The internal protocol stack firmware limits Modbus RTU and Modbus ASCII operations to Slave mode functionality only. If a configuration requires the Series 90-30 platform to initiate commands as a network Master, an alternative module such as the CMM321 must be utilized.\u003c\/p\u003e\n\u003cp\u003eQ: Can this module be installed into an expansion or remote baseplate rack assembly?\u003c\/p\u003e\n\u003cp\u003eA: No. The IC693CMM311J requires direct physical positioning on the primary CPU baseplate. It cannot function correctly inside expansion or remote chassis configurations because the localized high-speed communication lines are optimized for direct CPU bus connection.\u003c\/p\u003e\n\u003cp\u003eQ: What operational indicator states occur when a serial port interface detects an active configuration link?\u003c\/p\u003e\n\u003cp\u003eA: The module relies on its three front-panel status indicators. The Module OK LED remains lit to confirm healthy internal logic execution, while the dedicated PORT1 and PORT2 (or US1\/US2) LEDs illuminate and flash to indicate active data frames crossing the physical line.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRemove all primary power feeds from the target Series 90-30 baseplate prior to sliding the communications module into the chassis frame.\u003c\/li\u003e\n\u003cli\u003eInsert the single-slot board into any available slot position on the CPU baseplate, making sure to avoid the first slot which is reserved exclusively for the CPU module.\u003c\/li\u003e\n\u003cli\u003eFirmly seat the rear connectors into the backplane pin layout and tighten the physical retention mechanisms to ensure proper grounding.\u003c\/li\u003e\n\u003cli\u003eSecure all external serial links using shielded cable variants, such as the pre-assembled IC693CBL305 Wye cable, to suppress ambient high-frequency noise.\u003c\/li\u003e\n\u003cli\u003eMaintain a physical separation path of at least 30 cm between the serial lines and any adjacent high-current AC cabling or industrial variable speed drive lines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":44233476997219,"sku":"IC693CMM311J","price":420.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/26_6883863e-df78-4b54-8484-05c69f71bef6.jpg?v=1780470186","url":"https:\/\/www.autocontrolglobal.com\/products\/ic693cmm311j-ge-fanuc-series-90-30-cmm-datasheet-technical-manual","provider":"AutoControl Global","version":"1.0","type":"link"}