{"product_id":"mu-gaih22-honeywell-high-level-analog-input-fta","title":"MU-GAIH22 Honeywell High Level Analog Input FTA","description":"\u003cp\u003eConfigured for high-level analog input signal conditioning in Honeywell Distributed Control Systems (DCS), the \u003cstrong\u003eHoneywell MU-GAIH22\u003c\/strong\u003e (\u003cstrong\u003eMU-GAIH22\u003c\/strong\u003e High Level Analog Input FTA) provides direct physical\/electrical execution. It establishes a hardware interface between field instrumentation and control system I\/O electronics, providing passive termination, line protection, and signal conditioning for critical process loops.\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\u003eMU-GAIH22\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\u003eApprox. 0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eModule Size Class B\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\u003ePassive \/ System Loop Powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003eHigh Level Analog Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGalvanically Isolated Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eStandard DIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eType C Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe MU-GAIH22 assembly incorporates dedicated channel-to-channel isolation circuitry to separate individual measurement loops from system ground potential shifts. Integrated galvanic barriers isolate field telemetry lines, suppressing common-mode noise and ground loop currents that degrade low-voltage signaling. This isolation structure maintains transmission accuracy for 4-20 mA HART loop protocol field signals, protecting processing nodes from cross-channel voltage spikes and field-side electrical transients.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the MU-GAIH22 require external galvanic isolators for field loop wiring?\u003c\/p\u003e\n\u003cp\u003eA: No, the assembly features internal galvanically isolated channels directly on the board, eliminating the need for standalone signal isolation barriers.\u003c\/p\u003e\n\u003cp\u003eQ: Can the MU-GAIH22 assembly be extracted while the cabinet panel is energized?\u003c\/p\u003e\n\u003cp\u003eA: To prevent electrical damage and control loop disruption, cabinet power to the target slot must be isolated before installing or removing the termination module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect system loop power to the cabinet enclosure before installing or servicing the assembly.\u003c\/li\u003e\n\u003cli\u003eSnap the module securely onto a standard DIN rail, verifying mechanical grounding clips engage fully with the rail.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for all incoming analog field wiring to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eTerminate cable shields to the main system ground bar at a single point to prevent ground loop currents across galvanically isolated loops.\u003c\/li\u003e\n\u003cli\u003eEnsure cabinet airflow paths remain unobstructed to operate within the specified -20 to 60 deg C temperature range.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52378839875880,"sku":"MU-GAIH22","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/MU-GAIH22.png?v=1789373218","url":"https:\/\/www.powerdcs.com\/products\/mu-gaih22-honeywell-high-level-analog-input-fta","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}