{"product_id":"signal-conditioner-and-communication-hub-yokogawa-cm1-a","title":"Signal Conditioner and Communication Hub Yokogawa CM1*A","description":"\u003ch2\u003eYokogawa CM1*A Communication Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for signal conditioning and communication data exchange within CENTUM system architectures, the \u003cstrong\u003eYokogawa CM1*A\u003c\/strong\u003e (\u003cstrong\u003eCM1*A\u003c\/strong\u003e Signal Conditioner \/ Communication Module) provides direct physical execution of signal conversion and protocol routing.\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\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\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard signal conditioner nest form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eOPC, Modbus, Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eSignal conversion and data buffering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCM1*A\u003c\/strong\u003e module architecture serves as an interface hub, managing the translation of legacy field signals into protocols compatible with modern DCS networks such as CENTUM CS 3000 and CENTUM VP. The module implements stringent channel-to-channel isolation and galvanic power isolation to protect the communication backplane from field-originated transients. This isolation profile ensures that electromagnetic interference (EMI) originating from external analog or digital loop wiring remains confined, thereby preserving the integrity of the internal bus data packets during high-frequency polling.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the CM1*A module capable of hot-swapping within the signal conditioner nest?\u003c\/p\u003e\n\u003cp\u003eA: No, hot-swapping is not supported. The module and its corresponding nest must be de-energized before extraction or insertion to prevent voltage spikes from damaging the internal communication buffers and backplane interface pins.\u003c\/p\u003e\n\u003cp\u003eQ: How are communication protocol parameters managed for the Modbus or OPC interfaces?\u003c\/p\u003e\n\u003cp\u003eA: Protocol-specific parameters are mapped via the DCS engineering station software. The module acts as a passive router for these signals; however, physical link layer integrity requires strict adherence to twisted-pair shielding and grounding practices at the cabinet interface.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Seat the CM1*A module firmly into the designated signal conditioner nest. Ensure the rear-facing connector contacts are fully engaged with the backplane to provide a low-impedance path for signal and power signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Terminate the cable shields at the cabinet-level grounding rail rather than the module terminal block to maintain the isolation barrier. Connect the module chassis to the system PE bus to provide a discharge path for common-mode currents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Management:\u003c\/strong\u003e Use shielded cabling for all Ethernet and RS-485 serial links. Maintain a minimum separation of 150 mm from high-current AC power wiring to minimize inductive noise coupling into the communication lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Verify that the cabinet temperature remains within the -10 to 55 deg C range. While the module is built for demanding environments, ensure that forced-air ventilation is present if the module nest is densely populated.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43627081760858,"sku":"CM1*A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/212.1_145aec07-0787-4c9a-9f76-9be4f632cbf2.jpg?v=1783653229","url":"https:\/\/www.spareoil.com\/products\/signal-conditioner-and-communication-hub-yokogawa-cm1-a","provider":"SpareOil Automation","version":"1.0","type":"link"}