{"product_id":"asi533-s00-yokogawa-centum-vp-digital-input-module","title":"ASI533-S00 Yokogawa CENTUM VP Digital Input Module","description":"\u003ch2\u003eYokogawa ASI533-S00 CENTUM VP Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ASI533-S00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eASI533-S\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for acquiring discrete field status signals within Yokogawa CENTUM VP and CS 3000 DCS platforms. Mounting directly into the I\/O rack backplane, the unit monitors dry contacts, push buttons, limit switches, and safety interlocks across 16 isolated input channels. The module converts external 24 VDC binary field states into system logic signals while maintaining physical galvanic separation between field wiring and the central processing backplane.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunctional Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eASI533\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP Digital Input Hardware Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-S\u003c\/td\u003e\n\u003ctd\u003eStandard Specification\u003c\/td\u003e\n\u003ctd\u003e16-channel isolated contact input configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eStyle Revision\u003c\/td\u003e\n\u003ctd\u003eStandard hardware revision for backplane integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eASI533-S00\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\u003eFrance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.50 kg net\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e125 mm W x 130 mm H x 248 mm D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 W maximum (supplied via rack backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e16 isolated input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e~7 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e10 ms or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e100 Mohm minimum at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 VAC dielectric isolation for 1 minute\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 \u0026amp; Channel-to-Channel Isolation Integration\u003c\/h3\u003e\n\u003cp\u003eThe ASI533-S00 module incorporates robust channel-to-channel and bus-level galvanic isolation barriers rated at 1500 VAC to safeguard internal DCS logic networks against high-voltage field faults. When installed in mixed-signal racks alongside analog input cards running 4-20 mA HART loop protocol signals or millivolt CJC (cold junction compensation) sensors, the individual channel isolation suppresses common-mode noise and ground loop potential. Built-in shielding limits electromagnetic interference (EMI) transmission, preserving measurement accuracy across adjacent low-level analog channels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power source energizes the field contact loops connected to the ASI533-S00 input channels?\u003c\/p\u003e\n\u003cp\u003eA: Field contacts require an external, regulated nominal 24 VDC power supply routed through the input terminals to draw the ~7 mA operating current when contacts close.\u003c\/p\u003e\n\u003cp\u003eQ: Can the ASI533-S00 module accept AC voltage inputs directly on its terminals?\u003c\/p\u003e\n\u003cp\u003eA: No. The input circuitry accepts only 24 VDC voltage states or passive dry contact closures. Applying AC voltage directly to the channels causes hardware failure.\u003c\/p\u003e\n\u003cp\u003eQ: Is hot-swapping allowed for this digital input card during active system operations?\u003c\/p\u003e\n\u003cp\u003eA: Module removal or replacement requires de-energizing the corresponding terminal block field power loops to avoid unwanted signal transitions or arcing across connector pins.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Wiring Separation:\u003c\/strong\u003e Route 24 VDC discrete input wiring separately from high-voltage AC power lines and motor leads with a minimum physical clearance of 200 mm to avoid inductive noise coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding Terminal:\u003c\/strong\u003e Connect all incoming field cable overall screen drains directly to the designated cabinet functional earth (FE) ground bar using short, low-impedance copper conductors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvection Space Clearances:\u003c\/strong\u003e Maintain at least 50 mm of vertical ventilation space above and below the I\/O rack assembly to facilitate free air convection and prevent thermal buildup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Screw Tightening:\u003c\/strong\u003e Torque terminal block retaining screws to 0.5 to 0.6 Nm to ensure gas-tight electrical contact and prevent loose wire connections under industrial vibration.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43796455325786,"sku":"ASI533-S","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/163._5dd4be8f-7faa-4d3b-94f8-ea6e9cda29ac.jpg?v=1786071813","url":"https:\/\/www.spareoil.com\/ar\/products\/asi533-s00-yokogawa-centum-vp-digital-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}