{"product_id":"mtl-8220-di-is-16-channel-is-digital-input-module","title":"MTL 8220-DI-IS 16-Channel IS Digital Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMTL 8220-DI-IS\u003c\/strong\u003e is a \u003cstrong\u003e16-channel intrinsically safe digital input module\u003c\/strong\u003e from the MTL 8000 series of process I\/O, engineered for hazardous-area installations in oil and gas, chemical, and petrochemical plants. It safely interfaces field switches and proximity detectors located in explosive atmospheres with the control system, delivering galvanic isolation and certified intrinsic safety between field and logic circuits.\u003c\/p\u003e\n\u003ch3\u003eCore Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 16 digital inputs, single-ended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput voltage range:\u003c\/strong\u003e 7 V to 28 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput current:\u003c\/strong\u003e below 1.2 mA (OFF) \/ above 2.1 mA (ON)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput type:\u003c\/strong\u003e Open-drain output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation voltage:\u003c\/strong\u003e 2500 V (input to logic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField device types:\u003c\/strong\u003e Proximity detectors, switches, NAMUR-style contacts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -40°C to +70°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ATEX and IECEx for intrinsically safe applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCertified intrinsic safety allows direct connection of field devices in Zone 0\/1 hazardous areas\u003c\/li\u003e\n\u003cli\u003eHigh channel density reduces cabinet space and installation cost per I\/O point\u003c\/li\u003e\n\u003cli\u003eRobust galvanic isolation protects the control system from surges and ground loops\u003c\/li\u003e\n\u003cli\u003eWide operating temperature range suits outdoor and harsh process environments\u003c\/li\u003e\n\u003cli\u003eSeamless integration with MTL 8000 remote I\/O racks and field terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What field devices can connect to the 8220-DI-IS?\u003c\/strong\u003e A: Dry contacts, proximity detectors, and switch-type devices rated for intrinsically safe circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is this module suitable for Zone 0 installations?\u003c\/strong\u003e A: Yes, when installed with certified IS field terminals and wiring per the MTL system manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the module provide channel-to-channel isolation?\u003c\/strong\u003e A: The module provides galvanic isolation between field inputs and the system bus, designed for group IS circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize the rack and confirm the hazardous-area certification schedule.\u003c\/li\u003e\n\u003cli\u003eMount the module on the MTL 8000 rack bus and seat it firmly against the connector.\u003c\/li\u003e\n\u003cli\u003eConnect field wiring through the designated intrinsically safe field terminal, observing entity parameters.\u003c\/li\u003e\n\u003cli\u003eVerify input voltage within the 7-28 V DC range and confirm channel LEDs indicate correct status.\u003c\/li\u003e\n\u003cli\u003ePerform a loop check from each field device to the host system before commissioning.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePair with the \u003cstrong\u003e8623-FT-IS\u003c\/strong\u003e intrinsically safe field terminal for the correct IS wiring scheme.\u003c\/li\u003e\n\u003cli\u003eConfirm the required channel count per rack position to balance density against spare capacity.\u003c\/li\u003e\n\u003cli\u003eVerify gas group and temperature class requirements of the target hazardous area against the certificate.\u003c\/li\u003e\n\u003cli\u003eFor non-hazardous areas, a standard non-IS DI module offers a lower-cost alternative.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MTL","offers":[{"title":"Default Title","offer_id":67936630898755,"sku":"8220-DI-IS","price":138.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/8220-DI-IS_r180.png?v=1794300243","url":"https:\/\/www.plcdcspro.com\/products\/mtl-8220-di-is-16-channel-is-digital-input-module","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}