{"product_id":"2mlf-ac4h-honeywell-masterlogic-200-analog-input-module","title":"2MLF-AC4H Honeywell MasterLogic-200 Analog Input Module","description":"\u003cp\u003eConfigured for high-speed signal processing and transmitter loop feedback in MasterLogic-200 platforms, the \u003cstrong\u003eHoneywell 2MLF-AC4H\u003c\/strong\u003e (\u003cstrong\u003e2MLF-AC4H\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution.\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\u003e2MLF-AC4H\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\u003eSouth Korea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane 5 VDC internal logic supply load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e4 analog input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Processing\u003c\/td\u003e\n\u003ctd\u003eAnalog signal acquisition for process instrumentation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003e4-20 mA HART loop protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective Coating\u003c\/td\u003e\n\u003ctd\u003eConformal coating for industrial environment resilience\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Integration \u0026amp; HART Communication\u003c\/h3\u003e\n\u003cp\u003eThe 2MLF-AC4H analog input module executes real-time digital and analog signal acquisition across 4 dedicated field input channels. Operating on standard 4-20 mA HART loop protocol architectures, the board provides digital frequency-shift keying (FSK) signal decoding modulated over the primary analog current loop. Integrated channel-to-channel isolation safeguards central logic components from common-mode voltage field spikes, while the conformal coating layer prevents board contamination in corrosive environments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 2MLF-AC4H support HART protocol pass-through for field instrument management?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module processes standard 4-20 mA analog signals while decoding digital HART protocol signals for device parameterization and diagnostics.\u003c\/p\u003e\n\u003cp\u003eQ: What environmental protection is provided on the circuit board assembly?\u003c\/p\u003e\n\u003cp\u003eA: The module features protective conformal coating across electronic assemblies to protect against airborne contaminants, moisture, and mild corrosive agents.\u003c\/p\u003e\n\u003cp\u003eQ: How many analog field devices can be connected to a single 2MLF-AC4H module?\u003c\/p\u003e\n\u003cp\u003eA: Up to 4 individual analog transmitters or HART field instruments can be terminated across its 4 input channels.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize the PLC rack backplane power supply before inserting or extracting the 2MLF-AC4H module from its rack slot.\u003c\/li\u003e\n\u003cli\u003eVerify that field wiring for 4-20 mA loop instruments is routed using twisted-pair shielded conductors to maintain HART communication integrity.\u003c\/li\u003e\n\u003cli\u003eGround wire shielding at a single point on the enclosure ground plane to eliminate ground loop currents across non-isolated signal returns.\u003c\/li\u003e\n\u003cli\u003eAlign module base connectors carefully with the chassis backplane guide rails and press firmly until retention clips snap fully shut.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53595540160821,"sku":"2MLF-AC4H","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/2MLF-AD8A_Cocoai_e3b79912-7da4-42fa-8cca-e5b20ece4001.png?v=1789547666","url":"https:\/\/www.5gplc.com\/products\/2mlf-ac4h-honeywell-masterlogic-200-analog-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}