{"product_id":"32-channel-dry-contact-input-module-yokogawa-adm12t","title":"32-Channel Dry Contact Input Module Yokogawa ADM12T","description":"\u003ch2\u003eYokogawa ADM12T CENTUM Series Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ADM12T\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eADM12T\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for binary signal detection within CENTUM CS, CS 3000, and CENTUM VP DCS platforms. The hardware monitors 32 independent dry contact paths, transferring potential-free state transitions directly into the system controller image registers. By enforcing direct physical isolation layout configurations, the device decouples the processing electronics from the field lines, blocking electrical surges from propagating into the central network bus architecture.\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\u003eADM12T\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg (1 lbs 0.0 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e200 x 130 x 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLess than or equal to 600 mA @ 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e32 dry contact inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003ePotential-free (voltage-free) contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON-State Threshold\u003c\/td\u003e\n\u003ctd\u003eLess than or equal to 200 Ohm or Less than or equal to +\/-1 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF-State Threshold\u003c\/td\u003e\n\u003ctd\u003eGreater than or equal to 100 kOhm or 4.5-25 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Width Minimum\u003c\/td\u003e\n\u003ctd\u003eGreater than or equal to 40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Frequency Maximum\u003c\/td\u003e\n\u003ctd\u003eLess than or equal to 10 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eTerminal block (M4 screw configuration)\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-to-System Isolation\u003c\/h3\u003e\n\u003cp\u003eThe hardware architecture uses channel-to-system isolation barriers to protect the core processing layers from high-voltage transients present on external field wires. This protection allows the discrete module to reside within the same baseplate rack assembly alongside analog 4-20 mA HART loop protocol modules without causing signal degradation. Internal filtering circuits suppress electromagnetic cross-talk and high-frequency noise from field relays, validating pulse inputs with widths greater than or equal to 40 ms before updating the internal bus registers. This architecture maintains deterministic input scanning and signal path separation under heavy electrical loading conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module execute status updates during dual-redundant pairing operations?\u003c\/p\u003e\n\u003cp\u003eA: When configured in a dual-redundant architecture, both modules sample the 32 potential-free input loops concurrently via parallel wiring paths. The active controller reads the synchronized registers from the primary module, while the secondary module remains in a hot-standby state, ready to assume bus tracking if the primary device registers an internal fault.\u003c\/p\u003e\n\u003cp\u003eQ: What are the specific terminal wire constraints for the M4 screw connections?\u003c\/p\u003e\n\u003cp\u003eA: The field cables attach directly to the integrated terminal block via M4 screw assemblies. Technicians must check that bare wire strands are fitted with crimped spade or ring lugs to maintain mechanical clamping force and prevent inter-channel short circuits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the input module vertically into the designated slot of the system I\/O nest, checking that the rear alignment pins engage completely with the backplane bus socket. Tighten the module retention fasteners to prevent displacement caused by low-frequency machine vibration. Route the 32 discrete input field lines through dedicated low-voltage wire trays, maintaining a minimum 30 cm clearance from high-power AC motor supply cables to prevent inductive noise coupling. Connect the primary shield drain wire directly to the single-point instrument earth bus bar of the cabinet to secure a low-impedance grounding loop for all incoming potential-free contact pairs.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43684121870426,"sku":"ADM12T","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/645..jpg?v=1784604990","url":"https:\/\/www.spareoil.com\/ar\/products\/32-channel-dry-contact-input-module-yokogawa-adm12t","provider":"SpareOil Automation","version":"1.0","type":"link"}