{"product_id":"triconex-2352-32-ch-analog-input-4-20ma-tmr","title":"Triconex 2352 32-Ch Analog Input 4-20mA TMR","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e2352\u003c\/strong\u003e is a \u003cstrong\u003e32-channel analog input module\u003c\/strong\u003e manufactured by \u003cstrong\u003eInvensys Triconex\u003c\/strong\u003e for the \u003cstrong\u003eTricon safety instrumented system\u003c\/strong\u003e. It converts \u003cstrong\u003e4–20 mA DC current signals\u003c\/strong\u003e from field transmitters into digital values with \u003cstrong\u003e12-bit resolution\u003c\/strong\u003e and \u003cstrong\u003e0.15% full-scale accuracy\u003c\/strong\u003e. Designed with \u003cstrong\u003eTMR architecture\u003c\/strong\u003e, each of the 32 commoned input channels is processed by three independent hardware paths, ensuring reliable data acquisition for safety-critical process variables such as pressure, temperature, flow, and level.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Invensys Triconex Tricon SIS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TMR Analog Input Module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 32, commoned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Input Current:\u003c\/strong\u003e 4–20 mA DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperational Current Range:\u003c\/strong\u003e 2–22 mA DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAbsolute Maximum Input Current:\u003c\/strong\u003e 50 mA DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 12 bits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAbsolute Error:\u003c\/strong\u003e 0.15% of full scale (20 mA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Impedance (with Baseplate):\u003c\/strong\u003e 250 Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSource Impedance:\u003c\/strong\u003e 180 Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Bandwidth (3 dB):\u003c\/strong\u003e 16 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScan Time:\u003c\/strong\u003e \u0026lt; 1 ms for all 32 points\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunctional-to-Protective-Earth Isolation:\u003c\/strong\u003e 500 VDC minimum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunctional-to-Functional-Earth Isolation:\u003c\/strong\u003e 800 VDC minimum\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTMR Signal Integrity:\u003c\/strong\u003e Three independent input channels per point with mid-value selection eliminate erroneous readings from single-channel failures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Scanning:\u003c\/strong\u003e Sub-millisecond scan time for all 32 points supports rapid safety logic execution for emergency shutdown systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Current Measurement:\u003c\/strong\u003e 0.15% accuracy and 12-bit resolution provide tight-tolerance control for critical process loops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Diagnostics:\u003c\/strong\u003e Force-to-value diagnostic (FVD) capability enables online verification of input channel health without process disruption.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvercurrent Protection:\u003c\/strong\u003e 50 mA absolute maximum input current protects internal circuitry from wiring faults and transmitter failures.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 2352 and 2351?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e2352\u003c\/strong\u003e is a \u003cstrong\u003e32-channel 4–20 mA\u003c\/strong\u003e analog input module. The \u003cstrong\u003e2351\u003c\/strong\u003e is a \u003cstrong\u003e16-channel\u003c\/strong\u003e variant with similar signal conditioning. Both use TMR architecture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2352 provide loop power for 2-wire transmitters?\u003c\/strong\u003e\u003cbr\u003eA\u0026gt; The module provides \u003cstrong\u003eloop power\u003c\/strong\u003e for 2-wire 4–20 mA transmitters through the 250 Ω I-to-V resistor network. Verify total loop current against the module's power budget.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 2352 handle 0–20 mA signals?\u003c\/strong\u003e\u003cbr\u003eA\u0026gt; The operational range is \u003cstrong\u003e2–22 mA\u003c\/strong\u003e, which covers both 4–20 mA and 0–20 mA signals. For 0–20 mA, the digital scaling is adjusted in TriStation 1131.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInstall the module into a \u003cstrong\u003eTricon analog input slot\u003c\/strong\u003e in the chassis.\u003c\/li\u003e\n  \u003cli\u003eConnect \u003cstrong\u003e2-wire or 4-wire transmitters\u003c\/strong\u003e to the external termination panel (ETP) terminals.\u003c\/li\u003e\n  \u003cli\u003eVerify \u003cstrong\u003epolarity\u003c\/strong\u003e on all current loop connections before energizing.\u003c\/li\u003e\n  \u003cli\u003eGround shielded cable drains at \u003cstrong\u003eone end only\u003c\/strong\u003e (ETP ground bus) to prevent ground loops.\u003c\/li\u003e\n  \u003cli\u003eVerify input accuracy by injecting a \u003cstrong\u003e4 mA, 12 mA, and 20 mA calibrated current source\u003c\/strong\u003e and comparing module readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannel Count:\u003c\/strong\u003e The 2352 provides 32 channels. For 16-channel requirements, the 2351 offers a lower-density alternative.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Type:\u003c\/strong\u003e The 2352 is dedicated to 4–20 mA current inputs. For voltage inputs (0–5V, 0–10V), select the 3704E or 3700A.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsolation Needs:\u003c\/strong\u003e The 2352 is a commoned-input module. For channel-to-channel isolation, specify the 3703E isolated analog input module.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":53993632432312,"sku":"2352","price":147.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/3623_.r270_c78cf057-400b-43c5-b43d-c5051263d1bd.png?v=1787815163","url":"https:\/\/www.globalpetroparts.com\/products\/triconex-2352-32-ch-analog-input-4-20ma-tmr","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}