{"product_id":"honeywell-fc-gmmd16-monitored-digital-i-o-module","title":"Honeywell FC-GMMD16 Monitored Digital I\/O Module","description":"\u003ch2\u003eHoneywell FC-GMMD16 Monitored Digital I\/O Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for monitored digital signal execution in Honeywell Safety Manager and Fail Safe Controller platforms, the \u003cstrong\u003eHoneywell FC-GMMD16\u003c\/strong\u003e (\u003cstrong\u003eFC-GMMD16\u003c\/strong\u003e Monitored Digital I\/O Module) provides direct field circuit supervision and electrical interface control. The module monitors 16 digital channels and detects field wiring conditions including open circuits and short circuits.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eFC-GMMD16\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\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-5 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLow-power design, dependent on channel load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eMonitored Digital Input \/ Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible System\u003c\/td\u003e\n\u003ctd\u003eHoneywell Safety Manager \/ Fail Safe Controller (FSC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e20.4 VDC to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Monitoring\u003c\/td\u003e\n\u003ctd\u003eOpen-circuit detection and short-circuit detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-system bus isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indication\u003c\/td\u003e\n\u003ctd\u003eFront panel LED indicators for power, channel status, and diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Application\u003c\/td\u003e\n\u003ctd\u003eSIL 2 \/ SIL 3 applications according to IEC 61508 \/ IEC 61511\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Process Signal Supervision\u003c\/h3\u003e\n\u003cp\u003eThe FC-GMMD16 applies channel monitoring functions to evaluate field circuit conditions during operation. Therefore, the module can identify wiring faults before they affect safety logic execution. The design includes channel-to-system bus isolation, which separates field-side electrical signals from internal controller communication circuits.\u003c\/p\u003e\n\u003cp\u003eFor Honeywell process safety architectures, the module supports monitored digital loops rather than simple unverified switching signals. In addition, the hardware design aligns with safety instrumented system requirements where fault detection and controlled signal evaluation are required.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the FC-GMMD16 support field wiring fault detection?\u003cbr\u003eA: Yes. The module monitors field circuits and detects open-circuit and short-circuit conditions through integrated line monitoring functions.\u003c\/p\u003e\n\u003cp\u003eQ: Can the FC-GMMD16 be replaced during system operation?\u003cbr\u003eA: The module supports hot-swapping within compatible Honeywell Safety Manager and FSC configurations. The actual replacement procedure must follow the approved system maintenance rules.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module provide electrical isolation between field channels and the controller bus?\u003cbr\u003eA: Yes. The FC-GMMD16 provides channel-to-system bus isolation to reduce electrical interference transfer between field circuits and internal system electronics.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the FC-GMMD16 inside the approved Honeywell Safety Manager or FSC rack configuration.\u003c\/li\u003e\n\u003cli\u003eVerify module orientation and connector alignment before insertion into the backplane.\u003c\/li\u003e\n\u003cli\u003eUse appropriate industrial wiring practices for field signal cables, including separation from high-voltage power conductors.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields according to the plant grounding design to reduce electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eConfirm field device polarity and loop wiring before applying 24 VDC supply power.\u003c\/li\u003e\n\u003cli\u003eCheck front panel LED indicators after installation to verify module status and channel operation.\u003c\/li\u003e\n\u003cli\u003eFollow Honeywell system engineering documentation for configuration, diagnostics, and maintenance procedures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44480260505688,"sku":"FC-GMMD16","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/FC-GMMD16-2.jpg?v=1785405451","url":"https:\/\/www.industriaxplc.com\/products\/honeywell-fc-gmmd16-monitored-digital-i-o-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}