{"product_id":"fc-gmdl08-digital-output-module-honeywell","title":"FC-GMDL08 Digital Output Module | Honeywell","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell FC-GMDL08\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eFC-GMDL08\u003c\/strong\u003e Digital Output Module, operates as a dedicated hardware component for discrete signal execution and line fault monitoring within Honeywell Safety Manager platforms. Designed with 8 independent output channels supporting operating voltages of 24 VDC or 120 VAC at 20 mA current drive, the module integrates Local Fault Detection (LFD) logic to supervise field circuit continuity. The compact DIN-rail mounted assembly processes real-time device control commands transmitted via Modbus RTU serial protocols.\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\u003eFC-GMDL08\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\u003e0.18 kg (0.4 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10.9 cm x 5.6 cm x 1.8 cm (4.3 in x 2.2 in x 0.7 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e20 mA output drive per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDigital Output Module with LFD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC or 120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Detection\u003c\/td\u003e\n\u003ctd\u003eLocal Fault Detection (LFD) for open and short circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN rail (TS32 \/ TS35 x 7.5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eModbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Loop Processing\u003c\/h3\u003e\n\u003cp\u003eThe FC-GMDL08 incorporates channel-to-channel isolation networks to prevent electrical cross-talk and transient noise propagation between field outputs and controller logic interfaces. Interfacing directly with 4-20 mA HART loop protocol gateways and DCS backplanes, the module continuously monitors field loop integrity. Integrated optocouplers maintain galvanic separation across all 8 switching channels, ensuring that field wiring faults or line surges do not disrupt internal Modbus RTU communication buses.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the Local Fault Detection (LFD) feature evaluate field loop conditions?\u003c\/p\u003e\n\u003cp\u003eA: Internal LFD circuitry senses field-side impedance and current flow, asserting hardware diagnostic fault bits when an open-circuit or short-circuit condition occurs on an active output channel.\u003c\/p\u003e\n\u003cp\u003eQ: Can 24 VDC and 120 VAC loads be mixed across different channels on the same module?\u003c\/p\u003e\n\u003cp\u003eA: Operating voltage levels must match the designated group power supply potential to prevent voltage crossover between isolated channel banks.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting configurations are supported for physical installation?\u003c\/p\u003e\n\u003cp\u003eA: The chassis enclosure features an integrated snap-fit latch designed for standard TS32 and TS35 x 7.5 DIN rail mounting.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect all primary power supplies feeding the module and output field circuits before starting physical installation.\u003c\/li\u003e\n\u003cli\u003eSnap the module securely onto a grounded TS32 or TS35 x 7.5 DIN rail, ensuring the locking clip engages properly.\u003c\/li\u003e\n\u003cli\u003eConnect field load wiring to output terminal blocks using twisted-pair cables with proper wire gauge ratings.\u003c\/li\u003e\n\u003cli\u003eTerminate cable shields directly to the cabinet earth ground bus bar to minimize electrical noise interference.\u003c\/li\u003e\n\u003cli\u003eApply 24 VDC or 120 VAC operating power and verify diagnostic LED status indications before enabling system outputs.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52635648753960,"sku":"FC-GMDL08","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/FC-GMLA16_55fb30e6-076b-47a0-a5e1-c8d9a33b4485.jpg?v=1789977963","url":"https:\/\/www.powerdcs.com\/products\/fc-gmdl08-digital-output-module-honeywell","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}