{"product_id":"honeywell-900g02-0202-hc900-digital-input-24vdc-16-channel-module","title":"Honeywell 900G02-0202 HC900 Digital Input 24VDC 16-Channel Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eDesigned for seamless integration with the HC900 controller platform, the \u003cstrong\u003e900G02-0202\u003c\/strong\u003e facilitates the precise acquisition of discrete binary states from field-level sensors, switches, and contacts. This digital input module accommodates 16 independent input channels operating at a nominal 24 VDC threshold. It processes raw ON\/OFF signals from limit switches, proximity sensors, pushbuttons, and auxiliary relays directly into the control processor database, ensuring dependable status updates for interlocking, safety monitoring, and sequencing logic.\u003c\/p\u003e\n\n\u003cp\u003eThe module features exceptional galvanic isolation to shield internal logic circuits from field-side electrical disturbances, surges, and common-mode noise. Status LEDs on the front panel provide real-time visual feedback for diagnostic verification. Engineered for high-density environments, this module minimizes cabinet footprint while maintaining superior thermal dissipation profile across standard operating ranges.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e16 high-density digital input channels configured for 24 VDC sinking or sourcing inputs.\u003c\/li\u003e\n  \u003cli\u003eIndividual channel LED indicators on the faceplate for rapid loop diagnostics and status verification.\u003c\/li\u003e\n  \u003cli\u003eRobust optical isolation protecting backplane control circuitry from field-side electrical transients.\u003c\/li\u003e\n  \u003cli\u003eHot-swappable architecture allows safe module insertion and removal without disrupting active controller backplane operations.\u003c\/li\u003e\n  \u003cli\u003eConfigurable software input filters to eliminate contact bounce and high-frequency noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBurner management systems (BMS) and industrial combustion control loops.\u003c\/li\u003e\n  \u003cli\u003eWater and wastewater treatment plant monitoring.\u003c\/li\u003e\n  \u003cli\u003eBoiler system safety interlocks and auxiliary equipment tracking.\u003c\/li\u003e\n  \u003cli\u003eChemical processing and refinery auxiliary sequence control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eHoneywell\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePart Number \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e900G02-0202\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eHC900 Control System\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eDigital Input (DI)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e16 Channels\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e24 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOperating Input Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e15 VDC to 30 VDC (Logic High), 0 VDC to 5 VDC (Logic Low)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eGalvanic Isolation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1500 VAC Channel-to-Backplane\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBackplane draw: 150 mA at 5 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-40 to 85 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTerminal Pin\u003c\/th\u003e\n      \u003cth\u003eFunction Assignment\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e1 to 16\u003c\/td\u003e\n      \u003ctd\u003eDigital Input Channels 1 through 16\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e17, 18\u003c\/td\u003e\n      \u003ctd\u003e24 VDC Common Return (COM)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e19, 20\u003c\/td\u003e\n      \u003ctd\u003eChassis Ground \/ Shield Termination\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAlign the module carefully with the card guide rails of the HC900 rack chassis and slide firmly inward until the backplane connector is fully seated.\u003c\/li\u003e\n  \u003cli\u003eSecure the upper and lower retaining screws to protect the module from vibrational displacement.\u003c\/li\u003e\n  \u003cli\u003eAvoid routing 24 VDC digital input field wiring in parallel close to high-voltage AC power lines to prevent electromagnetic coupling.\u003c\/li\u003e\n  \u003cli\u003eUtilize the designated terminal blocks designed for the HC900 system to ensure correct wiring pinout and strain relief.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE Compliant\u003c\/li\u003e\n  \u003cli\u003eUL Listed (US and Canada)\u003c\/li\u003e\n  \u003cli\u003eFM Approved, Class I, Division 2, Groups A, B, C, D\u003c\/li\u003e\n  \u003cli\u003eATEX Zone 2 Certified\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52705597391211,"sku":"900G02-0202","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/900g02-0202-2zswuht1332_4235bc96-1b45-4230-a1bc-9144551201e0.jpg?v=1766650848","url":"https:\/\/www.plcprotech.com\/tr\/products\/honeywell-900g02-0202-hc900-digital-input-24vdc-16-channel-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}