{"product_id":"yokogawa-sdv144-s13-b4d00-prosafe-rs-digital-input-module","title":"YOKOGAWA SDV144-S13\/B4D00 ProSafe-RS Digital Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA SDV144-S13\/B4D00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eYOKOGAWA SDV144\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for isolated binary status monitoring within ProSafe-RS safety instrumented system platforms. The assembly interrogates 16 discrete channels of field dry contact circuits via integrated 24 VDC wetting voltage, delivering verified input status transitions to the processing logic bus within bounded scan windows.\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\u003eSDV144-S13\/B4D00\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\u003e0.36 kg (with pressure clamp terminal block \/ MIL cable); 0.41 kg (with signal cable interface adapter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa ProSafe-RS I\/O module physical enclosure profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C (Standard baseline operating environment)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e290 mA maximum @ 5 VDC, 140 mA maximum @ 24 VDC from the system backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003eNo-voltage contact (Dry contact)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON State Resistance\u003c\/td\u003e\n\u003ctd\u003e1 k ohm maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF State Resistance\u003c\/td\u003e\n\u003ctd\u003e100 k ohm minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Loop Current\u003c\/td\u003e\n\u003ctd\u003e6 mA +\/-20% at 24 VDC (0 ohm input loop condition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Contact Wetting\u003c\/td\u003e\n\u003ctd\u003e24 VDC (+20% \/ -10%) external distribution supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Current Capacity\u003c\/td\u003e\n\u003ctd\u003e200 mA minimum required supply reserve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Input Voltage Tolerance\u003c\/td\u003e\n\u003ctd\u003e30 VDC instantaneous maximum permissible limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware Response Time\u003c\/td\u003e\n\u003ctd\u003e40 ms maximum input signal acquisition delay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Withstand Voltage\u003c\/td\u003e\n\u003ctd\u003e2 kV AC for 1 minute between field-side input signal loops and internal system logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Connections\u003c\/td\u003e\n\u003ctd\u003eOptions for pressure clamp terminal blocks, MIL ribbon cable, or AKB331 dedicated signal cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSafety Control \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module infrastructure relies on independent galvanic isolation architecture designed to execute strict input channel separation. By running discrete signal lines through internal optocouplers, high-voltage field spikes or transient fault loops up to 2 kV AC are restricted to the field terminal interface, preventing cascade damage to the core processing electronics. This architecture guarantees proper signal demarcation within safety-instrumented loops, suppressing cross-talk and protecting the execution path of critical emergency shutdown commands.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the module detect field circuit degradation before an ON\/OFF state change fails?\u003c\/p\u003e\n\u003cp\u003eA: State transition relies strictly on the threshold boundaries of the ON resistance (1 k ohm maximum) and OFF resistance (100 k ohm minimum). Field loop degradation that shifts resistance into the intermediate zone between these values will delay acquisition beyond the 40 ms window or generate a diagnostic status fault on the safety bus.\u003c\/p\u003e\n\u003cp\u003eQ: Can this module be hot-swapped while the ProSafe-RS safety system is actively executing code?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping is physically supported by the module backplane layout. However, safety engineering procedures dictate that the specific 16-channel loop configuration must be bypassed within the ProSafe-RS logic beforehand to prevent spontaneous safe-state system trips during physical removal or insertion of the module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Method Segregation\u003c\/strong\u003e: Field wiring terminations must utilize the pressure clamp terminal assembly or the specialized AKB331 interface cable matrix. Safety-critical digital inputs must be physically segregated from high-power AC lines within the cable routing trays to eliminate electromagnetic signal coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding Conventions\u003c\/strong\u003e: All external signal cable shields must be stripped, bundled, and directly connected to the dedicated master cabinet ground busbar. Shields must remain floating at the field device end to suppress common-mode ground loops from injecting electrical offsets into the 24 VDC wetting circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management and Airflow\u003c\/strong\u003e: Mount the unit vertically onto the ProSafe-RS I\/O baseplate slot, ensuring the physical retention latches lock cleanly into place. Ensure adjacent module power cables do not obstruct the vertical convective airflow pathways across the component housing.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53124025811253,"sku":"SDV144-S13\/B4D00","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/SDV144-S631_0090303b-75bb-4be0-8306-39135fa52e78.jpg?v=1783933254","url":"https:\/\/www.5gplc.com\/products\/yokogawa-sdv144-s13-b4d00-prosafe-rs-digital-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}