{"product_id":"communication-module-yokogawa-cm1-a","title":"Communication Module | Yokogawa CM1*A","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa CM1*A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCM1\u003c\/strong\u003e Communication Module, operates as a dedicated hardware component for central data routing and protocol translation within CENTUM VP control platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCM1*A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCM1\u003c\/strong\u003e: Base Communication Module Series\u003c\/li\u003e\n\u003cli\u003e*\u003cstrong\u003eA\u003c\/strong\u003e: Hardware revision code and interface card option\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\u003eCM1*A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnspecified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 mm x 80 mm x 35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Systems\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP, CENTUM CS 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eOPC, Modbus RTU\/TCP, Ethernet\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctions\u003c\/td\u003e\n\u003ctd\u003eData routing, message buffering, procedure execution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eHot standby, failover support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates channel-to-channel isolation architecture to mitigate common-mode noise and prevent ground loop interference across distributed process nodes. When interfacing with field networks or supervisory networks via OPC and Modbus TCP\/RTU protocols, internal buffering mechanisms execute deterministic message queuing and hot-standby failover without interrupting signal integrity on active control loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the CM1*A support hot-standby failover without communication interruption?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module incorporates redundant hardware failover mechanisms, allowing seamless transition to a backup module in hot-standby mode upon primary link loss.\u003c\/p\u003e\n\u003cp\u003eQ: What are the input power supply requirements for the module internal bus?\u003c\/p\u003e\n\u003cp\u003eA: The unit operates on a standard 24 VDC supply voltage to power internal processing circuitry and communication transceivers.\u003c\/p\u003e\n\u003cp\u003eQ: Can the CM1*A module coexist with both CENTUM VP and CENTUM CS 3000 platforms?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the communication interface is fully compatible with both CENTUM VP and CENTUM CS 3000 system architectures for protocol execution and data routing.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module into the designated CENTUM nest slot, ensuring proper physical pin alignment before fully seating the board.\u003c\/li\u003e\n\u003cli\u003eConnect 24 VDC power wiring using properly rated conductors and maintain correct polarity during termination.\u003c\/li\u003e\n\u003cli\u003eEnsure all Ethernet and serial RS-485 Modbus cables are routed through grounded conduit separated from high-voltage AC lines to prevent EMI pickup.\u003c\/li\u003e\n\u003cli\u003eVerify cabinet ambient temperature remains within the specified 0 deg C to 55 deg C operational range with unblocked convection paths.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53000864956696,"sku":"CM1*A","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/AD5D_3_4.png?v=1792725577","url":"https:\/\/www.innoplcsync.com\/products\/communication-module-yokogawa-cm1-a","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}