{"product_id":"bachmann-cm202-can-master-module","title":"Bachmann CM202 CAN Master Module","description":"\u003cp\u003eConfigured for industrial network control and bus monitoring in distributed architectures, the \u003cstrong\u003eBachmann CM202\u003c\/strong\u003e (\u003cstrong\u003eCM202\u003c\/strong\u003e CAN Master Module) provides direct physical\/electrical execution. The hardware establishes deterministic communication links across multiple concurrent fieldbus topologies, offloading serial frame processing from the host central processing unit while serving as a diagnostic node for connected device clusters.\u003c\/p\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\u003eCM202\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBachmann\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eAustria (AUT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard single-slot M1 module mass profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard M1 automation controller expansion module footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +60 deg C (Continuous operation bounds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e320 mA at 5 VDC drawn from internal backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN Interfaces\u003c\/td\u003e\n\u003ctd\u003e2 independent serial channels per module (Max 4 modules \/ 8 buses per controller)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Protocols\u003c\/td\u003e\n\u003ctd\u003eCANopen (Profiles 301, 302, 405), SAE J1939, NMEA 2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate Range\u003c\/td\u003e\n\u003ctd\u003e10 kbaud to 1 Mbaud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Bus Length\u003c\/td\u003e\n\u003ctd\u003eUp to 5000 m (Dependent on configured transmission velocity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Connection\u003c\/td\u003e\n\u003ctd\u003e2x 9-pin D-Sub female connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal\/Pin Assignment\u003c\/td\u003e\n\u003ctd\u003eConforming to CiA DS 102\/4 standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e500 V electrical boundary between bus lines and backplane system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess Data Limit\u003c\/td\u003e\n\u003ctd\u003eMax 128 TxPDOs and 128 RxPDOs per individual network\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95 % non-condensing during active runtime operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, cULus, CCC \/ Marine: DNV, LR, ABS, BV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBachmann Industrial Control Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity and System Synchronization:\u003c\/strong\u003e The network controller interfaces directly with the parallel processing channels of the Bachmann M1 backplane matrix. Process data mapping blocks (TxPDOs\/RxPDOs) route straight to the PLC process image, function blocks, or native C\/C++ runtime applications at full backplane velocity without introducing communication phase shifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling and Protocol Footprint Management:\u003c\/strong\u003e The module scales up to 127 node addresses per field network across complex control topographies. The configuration framework utilizes SolutionCenter to generate electronic Device Configuration Files (DCF) directly from standard vendor EDS profiles, balancing multi-protocol data frames inside the local processor memory bounds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the internal galvanic isolation barrier react during high-potential line faults?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates a 500 V galvanic isolation boundary between the external CAN transceiver lines and the core backplane system rails. This physical barrier blocks common-mode voltage spikes and ground loop currents from propagating past the 9-pin D-Sub interfaces, securing the internal M1 processor logic against electrical damage.\u003c\/p\u003e\n\u003cp\u003eQ: What diagnostic capabilities are provided for active troubleshooting on the CAN bus lines?\u003c\/p\u003e\n\u003cp\u003eA: The module records real-time bus load and peak load percentages, frame counters, error counters, and controller status registers. It features a built-in hardware-level protocol sniffer that executes telegram logging directly from power-up, allowing data blocks to be exported via the device console for diagnostic analysis.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Layout Alignment, Clearance Constraints, and Mechanical Seating:\u003c\/strong\u003e Slide the module smoothly into the targeted slot of the M1 chassis frame, ensuring the rear multi-pin pin connector matches square with the backplane motherboard. Push firmly to seat the assembly, and tighten the integrated faceplate screws. Maintain standard cabinet clearance to allow ambient air movement across the chassis cooling fins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Separation, Wireway Constraints, and Shield Grounding:\u003c\/strong\u003e Route all CAN network lines through dedicated panel trunks separated from variable-frequency drive leads and heavy AC motor conductors. Ensure the 9-pin D-Sub connector shells achieve solid contact with the cable shields, clamping the lines tightly to ground bus arrays to maintain signal balance and suppress electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bachmann","offers":[{"title":"Default Title","offer_id":45141693661299,"sku":"CM202","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-30_17-01-03.png?v=1782811975","url":"https:\/\/www.dcssupplier.com\/products\/bachmann-cm202-can-master-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}