{"product_id":"honeywell-51304638-175-mc-goax02-analog-output-galvanic-isolator-assembly","title":"Honeywell 51304638-175 MC-GOAX02 Analog Output Galvanic Isolator Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51304638-175\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMC-GOAX02\u003c\/strong\u003e Analog Output Galvanic Isolator Assembly, operates as a dedicated hardware component for isolated signal conversion and ground loop elimination within Experion PKS, TPS\/TDC 3000, and FSC platform environments. It converts digital control commands into 2 isolated 4-20 mA or 0-10 VDC output loops to drive actuators and control valves with ±0.1% full-scale accuracy.\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\u003eMC-GOAX02 (51304638-175)\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\u003e0.1 kg (Net) \/ 0.5 kg (Shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.2 cm x 12.4 cm x 12.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC (Nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubsystem Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Output Galvanic Isolator Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e2 Isolated Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Formats\u003c\/td\u003e\n\u003ctd\u003e4-20 mA current loop \/ 0-10 VDC (configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eFull Channel-to-Channel and Channel-to-System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eExperion PKS, TPS\/TDC 3000, FSC Platforms\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; Galvanic Protection\u003c\/h3\u003e\n\u003cp\u003eThe MC-GOAX02 (51304638-175) incorporates full transformer-based galvanic isolation across both individual output channels and between the field-side wiring and internal system buses. This physical barrier blocks common-mode voltage spikes, preventing stray ground potentials from corrupting control logic. The isolated output stage delivers clean analog signals across active 4-20 mA HART loop protocol networks, safeguarding controller backplane components during field cable short circuits or electrical fault conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can individual channels on the MC-GOAX02 be hot-swapped or reconfigured without disrupting the adjacent channel?\u003c\/p\u003e\n\u003cp\u003eA: Module replacement must follow system rack de-energization or IOTA isolation procedures, while output signal selection (4-20 mA or 0-10 VDC) requires configuring dedicated module terminals or firmware setup.\u003c\/p\u003e\n\u003cp\u003eQ: How does the galvanic isolation circuit prevent ground loop degradation in analog control valves?\u003c\/p\u003e\n\u003cp\u003eA: By breaking the direct physical earth connection between field actuator loops and system power supplies, the assembly blocks ground loop current paths that introduce offset errors into the 4-20 mA drive signal.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the module securely onto the designated cabinet DIN rail or cabinet-integrated IOTA base to establish proper mechanical retaining force.\u003c\/li\u003e\n\u003cli\u003eVerify 24 VDC main power supply polarity before applying power to prevent internal reversed-polarity protective fuse tripping.\u003c\/li\u003e\n\u003cli\u003eRoute field wiring for 4-20 mA loops using twisted-shielded pair cables, terminating shields at a single chassis grounding point.\u003c\/li\u003e\n\u003cli\u003eMaintain separation between low-voltage analog signal cables and high-voltage AC power conductors within panel wire raceways.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52378664468776,"sku":"MC-GOAX02 51304638-175","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/MC-GOAX0251304638-175.jpg?v=1789369351","url":"https:\/\/www.powerdcs.com\/products\/honeywell-51304638-175-mc-goax02-analog-output-galvanic-isolator-assembly","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}