{"product_id":"dcs-analogue-input-module-yokogawa-acm12-s1-centum-vp","title":"DCS Analogue Input Module | Yokogawa ACM12-S1 CENTUM VP","description":"\u003ch2\u003eYokogawa ACM12-S1 Analogue Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for converting analogue signals from field instruments into digital values in Yokogawa CENTUM CS \/ VP DCS systems, the \u003cstrong\u003eYokogawa ACM12-S1\u003c\/strong\u003e (\u003cstrong\u003eACM12\u003c\/strong\u003e Analogue Input Module) provides direct physical\/electrical execution. The hardware framework hosts 16 analogue input channels designed to scan standard 4-20 mA DC and 0-10 V DC signal configurations, providing isolation and dual-redundant bus coupling to ensure fault-tolerant data acquisition performance.\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\u003eACM12-S1\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\u003e0.28 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 mm x 115 mm x 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0-50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e250 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 analogue input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC (standard), 0-10 V DC (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit (0.05% of full scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003e1000 samples per second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation between channels and system bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-redundant support with compatible baseplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Integration\u003c\/h3\u003e\n\u003cp\u003eThe ACM12-S1 incorporates a dedicated 4-20 mA HART loop protocol layer paired with FOUNDATION Fieldbus \/ Profibus PA connectivity parameters to align analogue field transmitters with the primary DCS processors. Galvanic isolation circuits block electrical noise and interrupt ground loop transmission path dynamics across the field loops and internal system bus interfaces. An active onboard A\/D subsystem resolves incoming field currents with 12-bit resolution at a high-speed tracking speed of 1000 samples per second, executing built-in line fault detection and reporting raw electrical errors directly to the master controller station diagnosis matrix.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the ACM12-S1 handle an open-circuit loop fault on an active 4-20 mA input channel?\u003c\/p\u003e\n\u003cp\u003eA: The onboard diagnostic logic continuously monitors the electrical current loop properties. When the measured current falls below 3.6 mA, the module triggers a channel line fault error bit, illuminates the front-panel error LED indicator, and passes the corresponding error frame back to the CENTUM processor without dropping the remaining 15 active input channels.\u003c\/p\u003e\n\u003cp\u003eQ: What are the installation restrictions when hot-swapping a module under active DCS operation?\u003c\/p\u003e\n\u003cp\u003eA: The ACM12-S1 permits physical hot-swapping inside dual-redundant configurations. The secondary module must assume the active tracking mode completely before removing the target hardware assembly from the backplane rack slots to prevent data stream dropouts.\u003c\/p\u003e\n\u003cp\u003eQ: Does the unit utilize the 5 VDC backplane rail to drive the external 24 VDC field transmitter loops?\u003c\/p\u003e\n\u003cp\u003eA: No. The internal 250 mA backplane consumption rating covers only the logic processing, A\/D conversion components, and optocoupler isolation circuits. All external 4-20 mA field loops require an independent, external 24 VDC instrument power distribution network.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the ACM12-S1 card vertically into the assigned baseplate alignment slots. Secure the integrated locking fasteners tightly to maintain solid physical contact between the backplane pins and card edge pins under constant industrial vibration conditions.\u003c\/p\u003e\n\u003cp\u003eRoute the incoming 4-20 mA analogue signal lines through dedicated low-voltage wire trays, ensuring distinct spatial separation from 480 VAC power lines or motor control drives. Connect individual cable shields to the plant instrument earth ground grid at a single terminal grounding point to prevent common-mode noise corruption. Maintain at least 50 mm of open boundary space above and below the module enclosure framework to allow unrestricted ambient air cooling circulation, preserving the 0 to 50 deg C operating temperature spectrum.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43763242041434,"sku":"ACM12 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/677..jpg?v=1785399904","url":"https:\/\/www.spareoil.com\/products\/dcs-analogue-input-module-yokogawa-acm12-s1-centum-vp","provider":"SpareOil Automation","version":"1.0","type":"link"}