{"product_id":"honeywell-2mlf-ad8a-8-channel-analog-input-module","title":"Honeywell 2MLF-AD8A 8-Channel Analog Input Module","description":"\u003ch2\u003eHoneywell 2MLF‑AD8A Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 2MLF‑AD8A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e2MLF‑AD8A\u003c\/strong\u003e analog input module, serves as an 8‑channel current\/voltage acquisition unit used to execute multi‑format analog signal conversion across HC900\/ControlEdge measurement platforms.\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\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e2MLF‑AD8A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eHC900 \/ ControlEdge I\/O Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e140 g (shipping weight 2 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temp\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003e8‑Channel Analog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChannels\u003c\/th\u003e\n\u003ctd\u003e8 channels per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eData Format\u003c\/th\u003e\n\u003ctd\u003eSigned −8000 to 8000; Precise 4000–20000 \/ 0–20000; Percentile 0–10000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd\u003e14‑bit binary (data: 14 bits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Conversion Speed\u003c\/th\u003e\n\u003ctd\u003e250 µs per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAbsolute Max Input\u003c\/th\u003e\n\u003ctd\u003e±15 V, ±30 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIsolation Method\u003c\/th\u003e\n\u003ctd\u003ePhoto‑coupler isolation between input terminal and PLC power (no channel‑to‑channel isolation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal Block\u003c\/th\u003e\n\u003ctd\u003e18‑point terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eI\/O Addressing\u003c\/th\u003e\n\u003ctd\u003eFixed 64 points; variable 16 points\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 Isolation Behavior\u003c\/h3\u003e\n\u003cp\u003eAlthough the 2MLF‑AD8A is a voltage\/current measurement module rather than a loop‑powered transmitter interface, its conversion architecture aligns with Honeywell’s process‑instrumentation conventions. When installed alongside HC900 analog modules, the backplane maintains deterministic timing for \u003cstrong\u003e4‑20 mA HART\u003c\/strong\u003e loop protocol devices. The module uses \u003cstrong\u003ephoto‑coupler isolation\u003c\/strong\u003e between input terminals and PLC power, while HC900 I\/O modules preserve \u003cstrong\u003echannel‑to‑channel isolation\u003c\/strong\u003e for adjacent analog modules to prevent cross‑loop interference.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 2MLF‑AD8A be hot‑swapped during operation?\u003c\/strong\u003e A: No. The module must be inserted or removed only when the controller rack is de‑energized.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 250 µs\/channel conversion speed affect controller scan timing?\u003c\/strong\u003e A: Conversion speed determines how quickly each analog channel updates. Overall scan timing depends on the controller’s configured I\/O strategy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can each channel use a different data format?\u003c\/strong\u003e A: Yes. Each channel’s digital output format can be individually configured through user logic or via the SoftMaster I\/O parameter interface.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain consistent routing of analog wiring to avoid induced noise from high‑voltage conductors.\u003c\/li\u003e\n\u003cli\u003eUse shielded cable and bond the shield at a single termination point to prevent circulating currents.\u003c\/li\u003e\n\u003cli\u003eEnsure proper seating of the 18‑point terminal block before energizing the rack.\u003c\/li\u003e\n\u003cli\u003eAvoid mixing long‑run analog wiring with fast‑switching digital outputs to minimize electromagnetic coupling.\u003c\/li\u003e\n\u003cli\u003eVerify that input signals remain within the ±15 V \/ ±30 mA absolute maximum limits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48207148613822,"sku":"2MLF-AD8A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/2MLF-AC8A_795af139-2a90-47eb-a565-5fefd363c581.png?v=1784280831","url":"https:\/\/www.autooiltech.com\/products\/honeywell-2mlf-ad8a-8-channel-analog-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}