{"product_id":"honeywell-900g01-0102-controledge-hc900-digital-contact-input-module","title":"Honeywell 900G01-0102 ControlEdge HC900 Digital Contact Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 900G01-0102\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e900G01-0102\u003c\/strong\u003e Digital Contact Input Module, operates as a dedicated hardware component for discrete state detection within ControlEdge HC900 controller platforms. It monitors field dry contact closures across 16 channels, translating mechanical switch and relay states into digital status signals over the controller backplane bus.\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\u003e900G01-0102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\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\u003e0.31 lbs (0.14 Kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard HC900 Module Footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane bus powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e16 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Interface\u003c\/td\u003e\n\u003ctd\u003eDigital Contact (Dry Contact \/ Voltage-Free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Integration\u003c\/td\u003e\n\u003ctd\u003eControlEdge HC900 I\/O Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Signal Conditioning Topology\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 900G01-0102\u003c\/strong\u003e incorporates channel-to-channel isolation parameters and galvanic backplane protection engineered to isolate field contact circuits from sensitive CPU control logic. Built-in signal conditioning filters eliminate contact bounce chatter from field limit switches and interlocks, preventing false trigger states. The low-power sensing loop architecture ensures stable status evaluation alongside 4-20 mA HART loop protocol lines and high-density analog channels inside the cabinet enclosure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 900G01-0102 input card supply wetting voltage to field contacts?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module provides internal current-limited wetting voltage across the dry contact terminals to reliably sense open and closed circuit states without requiring external field power supplies.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 900G01-0102 module be hot-swapped while the HC900 system is operating?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports live insertion and removal under power on the HC900 rack, allowing card replacement without shutting down adjacent running I\/O channels or the main processor.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eAlign the 900G01-0102 module guide edges with the targeted slot location on the HC900 rack.\u003c\/li\u003e\n\u003cli\u003ePush the card firmly into the rack connector until the top and bottom mounting latches fully click into the frame.\u003c\/li\u003e\n\u003cli\u003eVerify that the main rack frame ground wire is bonded to the enclosure protective earth (PE) bus.\u003c\/li\u003e\n\u003cli\u003eRoute contact input field cables through cabinet wiring troughs, preserving a minimum 50 mm gap from power wiring.\u003c\/li\u003e\n\u003cli\u003eSecure field conductors to the removable terminal block, ensuring shielding is tied to a single ground reference point.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48779720097982,"sku":"900G01-0102","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/900G01-0102_1200x1200_3f7fcf6c-0cfd-45c3-a281-ae89751c4a52.jpg?v=1787536726","url":"https:\/\/www.autooiltech.com\/products\/honeywell-900g01-0102-controledge-hc900-digital-contact-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}