{"product_id":"honeywell-16644995-001-digital-i-o-module","title":"Honeywell 16644995-001 Digital I\/O Module","description":"\u003cp\u003eConfigured for discrete signal acquisition and command transmission in Experion PKS systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 16644995-001\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e16644995-001\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDigital I\/O Module) provides direct physical and electrical execution of 16-channel configurable I\/O.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16644995-001\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.2 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompact C300 I\/O form factor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 deg C to +70 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBackplane dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eI\/O Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 discrete channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProcess Control and DCS Instrumentation Characteristics\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e4-20 mA HART loop protocol:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile primarily a digital I\/O module, the 16644995-001 is architecturally compatible with C300 series backplanes that facilitate HART protocol management for connected field instrumentation, ensuring integrated diagnostics across the digital and analog control layers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel-to-channel isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module incorporates galvanic isolation between individual channels and the backplane, preventing the propagation of ground loops or common-mode noise, which is necessary for maintaining signal integrity in dense industrial cabinet layouts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCold junction compensation (CJC):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn hybrid control configurations where auxiliary temperature monitoring is required for cabinet health, the module utilizes internal temperature sensing to support consistent measurement accuracy for connected process signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFOUNDATION Fieldbus \/ Profibus PA connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated Honeywell Control Bus allows the module to act as a localized interface node, permitting seamless data exchange between the C300 controller and higher-level Fieldbus-based field networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 16644995-001 module support hot-swapping during runtime?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports hot-swapping within the C300 I\/O assembly; however, ensure that the I\/O points are properly bypassed in the control software before removing the module to prevent unintended process state changes.\u003c\/p\u003e\n\u003cp\u003eQ: How is the channel direction (input vs. output) configured?\u003c\/p\u003e\n\u003cp\u003eA: Channel direction is determined by the specific I\/O assembly connected to the module and the system configuration defined in the Experion PKS engineering tools. Always verify the assembly pinout before field wiring.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eInstall the module into the designated C300 I\/O assembly carrier. Ensure the backplane connectors are correctly aligned and the module is locked into place using the integrated retaining mechanisms to maintain mechanical stability against cabinet vibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBond the I\/O assembly chassis to the cabinet earth bus using a low-impedance grounding strap. Proper grounding is necessary to ensure the effectiveness of the module's galvanic isolation and to drain EMI from field wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintain strict physical separation between discrete I\/O signal wiring and AC power or VFD motor cables. Use shielded, twisted-pair cabling for long signal runs to mitigate electromagnetic interference and common-mode noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45176405098611,"sku":"16644995-001","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-07-07_10-07-23_45a10822-664a-4e88-8672-716be27556ab.png?v=1783396589","url":"https:\/\/www.dcssupplier.com\/ar\/products\/honeywell-16644995-001-digital-i-o-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}