{"product_id":"ge-is420ydias1b-mark-vies-discrete-contact-i-o-module","title":"GE IS420YDIAS1B Mark VIeS Discrete Contact I\/O Module","description":"\u003cp\u003eThe \u003cstrong\u003eGE IS420YDIAS1B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eIS420YDIA\u003c\/strong\u003e Discrete Contact I\/O Module, operates as a dedicated hardware component for discrete contact sensing and input signal conditioning within Mark VIeS safety control platforms. The module interfaces with terminal boards via a DC-37 pin connector, accepting up to 24 contact inputs across three selectable voltage levels. Onboard acquisition and processor boards digitize field dry contacts and terminal-specific feedback signals, transmitting data streams over dual redundant RJ-45 Ethernet connections.\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\u003eIS420YDIAS1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric\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\u003e0.45 kg (1.00 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e8.26 cm x 4.19 cm x 12.10 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (3-pin power connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMark VIeS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete Contact I\/O Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e24 contact inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e1500 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Rejection Filter\u003c\/td\u003e\n\u003ctd\u003e125 VDC input filter AC rejection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Interface\u003c\/td\u003e\n\u003ctd\u003eDual RJ-45 Ethernet connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Connector\u003c\/td\u003e\n\u003ctd\u003eDC-37 pin connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface Mount Tech\u003c\/td\u003e\n\u003ctd\u003eSurface-mount design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisual Diagnostics\u003c\/td\u003e\n\u003ctd\u003eLED indicators for power, network, and channel status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe IS420YDIAS1B integrates an internal common processor board that handles deterministic signal acquisition from the dedicated input hardware layer. By processing 24 high-speed discrete contact state changes locally, the card optimizes backplane bus communication velocity and eliminates CPU scan-time jitter across safety network loops. Firmware flash compatibility across Mark VIeS node revisions allows dynamic I\/O density scaling and hardware configuration without disrupting neighboring module network sessions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is galvanic isolation structured on the IS420YDIAS1B input channels?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates 1500 V galvanic isolation between the field contact inputs and the internal microprocessor logic, protecting system networks from high-voltage field transients.\u003c\/p\u003e\n\u003cp\u003eQ: What power interface is required to operate the module?\u003c\/p\u003e\n\u003cp\u003eA: The board receives a 24 VDC auxiliary power feed connected via a dedicated 3-pin power plug on the pack chassis.\u003c\/p\u003e\n\u003cp\u003eQ: What function does the 125 VDC input filter serve on the acquisition board?\u003c\/p\u003e\n\u003cp\u003eA: The integrated RC input filter provides AC voltage rejection up to 125 VDC levels, preventing induced AC noise from triggering false contact state changes.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Suppression Precautions:\u003c\/strong\u003e Attach a grounded ESD wrist strap to the panel metalwork before opening static-shielded packaging or mounting the module to avoid semiconductor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC-37 Interface Engagement:\u003c\/strong\u003e Align the rear DC-37 pin connector carefully with the terminal board header before securing the locking thumbscrews to ensure solid electrical contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding \u0026amp; Grounding Integrity:\u003c\/strong\u003e Ensure field wiring shield wires are properly terminated to the grounding bar on the terminal board to maintain 1500 V galvanic isolation performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Envelope Spacing:\u003c\/strong\u003e Maintain a minimum 50 mm clearance above and below the module housing to allow adequate natural convection cooling across the -40 to 70 deg C operating range.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":43856487874650,"sku":"IS420YDIAS1B","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/IS420YDIAS1B.png?v=1786957655","url":"https:\/\/www.spareoil.com\/products\/ge-is420ydias1b-mark-vies-discrete-contact-i-o-module","provider":"SpareOil Automation","version":"1.0","type":"link"}