{"product_id":"analog-input-modules-yokogawa-amm42-s2-centum-vp","title":"Analog Input Modules | Yokogawa AMM42-S2 CENTUM VP","description":"\u003ch2\u003eYokogawa AMM42-S2 CENTUM VP Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for specific technical task in CENTUM VP and CS 3000 Distributed Control Systems (DCS), the \u003cstrong\u003eYokogawa AMM42-S2\u003c\/strong\u003e (\u003cstrong\u003eAMM42\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution. This hardware component processes 32 channels of isolated 4-20 mA DC current signals from field transmitters, converting physical analog loops into localized digital data packets via internal Analog-to-Digital (A\/D) hardware architecture to drive field control network responses.\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\u003eAMM42-S2\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\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e32.8 mm x 107.5 mm x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDual integrated DC-DC converters (Bus-powered from FIO rack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e32 Isolated Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e250 Ohm internal precision shunt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Resolution\u003c\/td\u003e\n\u003ctd\u003e12 to 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Architecture\u003c\/td\u003e\n\u003ctd\u003e96-pin connector (main signal) \/ 20-pin connector (converter interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e500 V AC between field terminals and system logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and Signal Condition Isolation\u003c\/h3\u003e\n\u003cp\u003eThe physical layout integrates a high-density 96-pin and 20-pin dual-connector frame to route physical signals from field-side instrumentation marshalling. The architecture enforces structural channel-to-channel isolation limits alongside a 500 V AC withstanding voltage boundary that provides complete galvanic isolation against high-voltage spikes and operational common-mode noise. Analog signal acquisition features native 4-20 mA HART loop protocol support, enabling downstream software platforms to poll secondary digital variables over the baseline current loops. Integrated dual DC-DC converters ensure clean voltage regulation and signal decoupling across the internal 250 Ohm precision shunt network, minimizing thermal drift and localized inductive interference.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AMM42-S2 module allow hot-swap replacement while the backplane is fully energized?\u003c\/p\u003e\n\u003cp\u003eA: Yes, technical staff can execute an online hot-swap of this module inside active FIO node units, provided the locking handles are fully depressed to allow the dual-connector array to seat or break electrical contact simultaneously.\u003c\/p\u003e\n\u003cp\u003eQ: How do scan period configurations affect the A\/D conversion resolution of the channels?\u003c\/p\u003e\n\u003cp\u003eA: The hardware scales its integrated A\/D conversion resolution dynamically from 12-bit up to 16-bit based on the scan period configuration selected within the software logic, allowing engineering teams to balance throughput speed against precision requirements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInsert the hardware straight into the designated slot of the FIO chassis unit, verifying that both the 96-pin and 20-pin interface alignments match perfectly before pushing the module into place.\u003c\/li\u003e\n\u003cli\u003eFasten the integrated top and bottom mechanical retention levers to securely lock the electrical pin interfaces against the backplane connector grid and protect against field vibrations.\u003c\/li\u003e\n\u003cli\u003eSeparate low-voltage 4-20 mA loop conduits by a minimum physical distance from high-voltage AC lines to prevent magnetic noise coupling across the galvanic isolation barrier.\u003c\/li\u003e\n\u003cli\u003eConnect all external signal shields directly to the centralized copper instrument ground rail inside the enclosure cabinet via low-impedance copper conductors.\u003c\/li\u003e\n\u003cli\u003eInspect terminal connection parameters and shunt path continuity during standard preventative maintenance cycles to eliminate signal degradation risks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":42870831611994,"sku":"AMM42","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/216_b7951291-7352-40e9-a4fc-b4cb77b3bce5.jpg?v=1772248508","url":"https:\/\/www.spareoil.com\/products\/analog-input-modules-yokogawa-amm42-s2-centum-vp","provider":"SpareOil Automation","version":"1.0","type":"link"}