{"product_id":"yokogawa-cm1-a-centum-vp-communication-module","title":"Yokogawa CM1*A CENTUM VP Communication Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa CM1\u003cem\u003eA series (including models such as the CM11A and CM12A) functions as a dedicated Communication Module within the CENTUM VP Field Integrated Operation (FIO) system. It enables high-speed data exchange between the Field Control Station (FCS) and external subsystems such as PLCs, intelligent electronic devices (IEDs), and analyzers. By supporting seamless integration across plant-wide networks, the CM1\u003c\/em\u003eA series enhances both vertical and horizontal system connectivity. We supply this unit as 100% brand new, original factory hardware to ensure reliable communication performance and long-term operational stability in distributed control environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCM1*A \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eCommunication Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Ports\u003c\/td\u003e\n\u003ctd\u003eRS-232C \/ RS-422 \/ RS-485 (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Speed\u003c\/td\u003e\n\u003ctd\u003eUp to 115.2 kbps (serial); higher for Ethernet variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eBuilt-in galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A at 5 V DC (internal bus power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e 0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eStandard FIO module nest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003e100% Brand New Original\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSubsystem Integration Flexibility\u003c\/strong\u003e\u003cbr\u003eThe CM1*A series enables direct communication between the CENTUM VP system and third-party devices such as PLCs, analyzers, and power monitoring systems, reducing the need for external protocol converters or gateways.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Electrical Isolation\u003c\/strong\u003e\u003cbr\u003eBuilt-in galvanic isolation protects the system from field-side electrical noise, surges, and grounding issues, improving overall communication stability and system reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed, Low-Latency Communication\u003c\/strong\u003e\u003cbr\u003eThe module is designed to prioritize real-time data exchange, ensuring timely transmission of critical process variables across connected subsystems for coordinated control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-Protocol Compatibility\u003c\/strong\u003e\u003cbr\u003eDepending on the model variant, the CM1*A supports common industrial protocols such as Modbus RTU and other serial-based communications, allowing integration with a wide range of legacy and modern equipment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between CM11A and CM12A?\u003c\/strong\u003e\u003cbr\u003eThe difference lies mainly in the physical interface: CM11A typically supports RS-232C, while CM12A supports RS-422\/RS-485. Selection depends on your field device communication requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the CM1*A series support redundancy?\u003c\/strong\u003e\u003cbr\u003eYes, it supports dual-redundant configurations within an FIO nest. If the primary module fails, the standby module takes over communication without interrupting system operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow are communication parameters configured?\u003c\/strong\u003e\u003cbr\u003eParameters such as baud rate, parity, and station address are configured via Yokogawa Engineering Station software and automatically applied during system initialization.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the module be hot-swapped?\u003c\/strong\u003e\u003cbr\u003eYes, CM1*A modules support hot-swapping in redundant configurations, allowing replacement without disrupting active communication.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":52012430688568,"sku":"CM1*A","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/CM1A2.jpg?v=1774923435","url":"https:\/\/www.automodulexpert.com\/products\/yokogawa-cm1-a-centum-vp-communication-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}