{"product_id":"honeywell-2mlf-rd4a-masterlogic-200-rtd-input-module","title":"Honeywell 2MLF-RD4A MasterLogic-200 RTD Input Module","description":"\u003cp\u003eConfigured for precision resistance temperature detection in MasterLogic-200 PLC networks, the \u003cstrong\u003eHoneywell 2MLF-RD4A\u003c\/strong\u003e (\u003cstrong\u003e2MLF-RD4A\u003c\/strong\u003e Resistance Temperature Detector 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-RD4A\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard MasterLogic I\/O Module Form Factor\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\u003e450 mA at 5 VDC (backplane bus load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e4 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Speed\u003c\/td\u003e\n\u003ctd\u003e40 ms \/ channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.2% or less (at 25 deg C), +\/-0.3% or less (at 0 to 55 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Method\u003c\/td\u003e\n\u003ctd\u003e3-wire system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Connection\u003c\/td\u003e\n\u003ctd\u003e18-point terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Resistance Signal Conditioning\u003c\/h3\u003e\n\u003cp\u003eThe 2MLF-RD4A module executes analog-to-digital signal conversion across four dedicated RTD input channels. Internal channel-to-channel isolation hardware suppresses common-mode noise and ground loop currents across field-side sensor lines. To maintain high process accuracy, the module incorporates dynamic excitation current loops and cold junction compensation (CJC) reference algorithms for thermal signal stability across the 0 to 55 deg C ambient operating range.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What sensor wiring configuration is supported by the 2MLF-RD4A terminal block?\u003c\/p\u003e\n\u003cp\u003eA: The module directly supports 3-wire RTD sensor configurations connected to the removable 18-point terminal block to compensate for lead-wire resistance.\u003c\/p\u003e\n\u003cp\u003eQ: What is the backplane power draw for this RTD module?\u003c\/p\u003e\n\u003cp\u003eA: The 2MLF-RD4A draws a nominal 450 mA current from the internal 5 VDC backplane power bus.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the PLC base rack prior to installing or removing the 2MLF-RD4A module to prevent electrical damage to backplane contacts.\u003c\/li\u003e\n\u003cli\u003eAlign the module with the base rack guide slots and press firmly until the top and bottom retaining latches lock into position.\u003c\/li\u003e\n\u003cli\u003eWire the RTD field elements using shielded 3-wire cables, terminating the shield braid at a single earth ground bar within the control enclosure.\u003c\/li\u003e\n\u003cli\u003eEnsure signal wiring is physically separated from high-voltage AC power lines and drive cables to prevent inductive coupling and analog measurement jitter.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53595115913525,"sku":"2MLF-RD4A","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/2MLF-RD4A_Cocoai.png?v=1789538607","url":"https:\/\/www.5gplc.com\/products\/honeywell-2mlf-rd4a-masterlogic-200-rtd-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}