{"product_id":"honeywell-2mlq-tr4b-32-point-transistor-digital-output-module","title":"Honeywell 2MLQ-TR4B 32-Point Transistor Digital Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 2MLQ-TR4B\u003c\/strong\u003e is a \u003cstrong\u003e32-point transistor digital output module\u003c\/strong\u003e designed for the \u003cstrong\u003eMasterLogic-200 (ML200)\u003c\/strong\u003e PLC system. Featuring \u003cstrong\u003esource-type transistor outputs\u003c\/strong\u003e with photo-coupler isolation, this high-density module delivers fast, reliable switching for relays, solenoids, indicators, and other low-power DC loads. With a \u003cstrong\u003e≤1 ms response time\u003c\/strong\u003e and compact footprint, the 2MLQ-TR4B is ideal for real-time industrial automation in space-constrained control cabinets.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e32 high-density transistor output points\u003c\/strong\u003e (source type)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast switching:\u003c\/strong\u003e ≤1 ms On\/Off response time\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated load voltage:\u003c\/strong\u003e DC 12 V \/ 24 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhoto-coupler isolation\u003c\/strong\u003e for enhanced signal integrity and noise immunity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZener diode surge protection\u003c\/strong\u003e per IEC 61000-6-2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e40-pin connector\u003c\/strong\u003e for compact, organized field wiring\u003c\/li\u003e\n  \u003cli\u003eIndividual \u003cstrong\u003eLED status indicators\u003c\/strong\u003e for each output channel\u003c\/li\u003e\n  \u003cli\u003eCompact design — \u003cstrong\u003e170 × 98 × 19 mm\u003c\/strong\u003e, \u003cstrong\u003e0.26 kg\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 2MLQ-TR4B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Digital Output Module (Transistor, Source Type)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e MasterLogic-200\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Channels:\u003c\/strong\u003e 32 points\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Type:\u003c\/strong\u003e Transistor (Source Type)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Load Voltage:\u003c\/strong\u003e DC 12 V \/ 24 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoad Voltage Range:\u003c\/strong\u003e DC 10.2 V – 26.4 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Load Current:\u003c\/strong\u003e 0.1 A per point, 2 A per COM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Drop (On):\u003c\/strong\u003e ≤ 0.3 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOff Leakage Current:\u003c\/strong\u003e ≤ 0.1 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInrush Current:\u003c\/strong\u003e 4 A for ≤ 10 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e ≤ 1 ms (On ↔ Off)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsolation Method:\u003c\/strong\u003e Photo-coupler isolation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurge Absorber:\u003c\/strong\u003e Zener diode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommon Method:\u003c\/strong\u003e 32 points \/ 1 COM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Consumption:\u003c\/strong\u003e 130 mA (all points ON)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Voltage:\u003c\/strong\u003e DC 12\/24 V ±10%, ripple ≤ 4 Vp-p\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e 40-pin connector\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Size:\u003c\/strong\u003e 0.3 mm²\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e 170 × 98 × 19 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.26 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +55°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e −25°C to +70°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 5% to 95% RH (non-condensing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDiscrete control of relays, contactors, and solenoid valves\u003c\/li\u003e\n  \u003cli\u003eLED indicator and alarm horn driving\u003c\/li\u003e\n  \u003cli\u003eSSR (solid-state relay) control in heating systems\u003c\/li\u003e\n  \u003cli\u003eHigh-speed interlock and sequencing logic\u003c\/li\u003e\n  \u003cli\u003eCompact control cabinets requiring high-density I\/O\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of outputs does the 2MLQ-TR4B provide?\u003c\/strong\u003e\u003cbr\u003eA: It provides \u003cstrong\u003e32 source-type transistor outputs\u003c\/strong\u003e for DC 12\/24 V loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum current per point?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003e0.1 A per point\u003c\/strong\u003e, with a maximum of \u003cstrong\u003e2 A per common (COM)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What connector is required for field wiring?\u003c\/strong\u003e\u003cbr\u003eA: A standard \u003cstrong\u003e40-pin connector\u003c\/strong\u003e is required. Pre-assembled cable assemblies with remote terminal blocks are recommended for simplified field termination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module support hot-swapping?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eNo.\u003c\/strong\u003e Rack power must be fully isolated and switched off before inserting or removing any I\/O module to prevent backplane damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is there surge protection?\u003c\/strong\u003e\u003cbr\u003eA: Yes, each output features an integrated \u003cstrong\u003eZener diode surge absorber\u003c\/strong\u003e compliant with IEC 61000-6-2.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Off:\u003c\/strong\u003e De-energize the entire MasterLogic-200 rack before installing the 2MLQ-TR4B.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlot Insertion:\u003c\/strong\u003e Align the module with the guide rails and press firmly into the selected I\/O slot until the retention clips lock.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Wiring:\u003c\/strong\u003e Attach the 40-pin connector to the module front. Use 0.3 mm² stranded wire for field connections. Group loads by common to respect the 2 A per COM limit.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eExternal Power:\u003c\/strong\u003e Supply DC 12\/24 V to the module's external power terminals. Verify ripple is ≤ 4 Vp-p.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoad Verification:\u003c\/strong\u003e Ensure each load does not exceed 0.1 A continuous. For inductive loads, add external flyback diodes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStatus Check:\u003c\/strong\u003e Power on the rack and confirm LED indicators illuminate correctly when outputs are activated via the PLC program.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose the \u003cstrong\u003e2MLQ-TR4B\u003c\/strong\u003e for \u003cstrong\u003ehigh-density DC output\u003c\/strong\u003e applications requiring fast transistor switching.\u003c\/li\u003e\n  \u003cli\u003eIf you need \u003cstrong\u003erelay outputs\u003c\/strong\u003e for AC loads or higher current capacity, consider the \u003cstrong\u003e2MLQ-RY2A\u003c\/strong\u003e or \u003cstrong\u003e2MLQ-RY2B\u003c\/strong\u003e relay output modules.\u003c\/li\u003e\n  \u003cli\u003eFor \u003cstrong\u003esink-type transistor outputs\u003c\/strong\u003e, verify availability of the complementary model in your region.\u003c\/li\u003e\n  \u003cli\u003eRespect the \u003cstrong\u003e2 A per COM limit\u003c\/strong\u003e — distribute high-current loads across multiple commons or modules.\u003c\/li\u003e\n  \u003cli\u003eAccount for \u003cstrong\u003einrush current\u003c\/strong\u003e (4 A for 10 ms) when driving capacitive or lamp loads.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53959440433336,"sku":"2MLQ-TR4B","price":82.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/2MLQ-TR4B_1__Co.png?v=1787197555","url":"https:\/\/www.globalpetroparts.com\/products\/honeywell-2mlq-tr4b-32-point-transistor-digital-output-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}