{"product_id":"ics-triplex-t8449-tmr-valve-position-monitor-24v","title":"ICS Triplex T8449 TMR Valve Position Monitor 24V","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color:#0066CC;\"\u003eICS Triplex T8449\u003c\/strong\u003e is a TMR valve monitor module for safety-critical actuation. It provides a triplicated 24 Vdc output to drive the valve and monitors position via the next input channel—either 4–20 mA from a sensor or a resistor network from limit switches. Built for SIL 3 applications.\u003c\/p\u003e\n\n\u003ch2\u003eCore Advantages\u003c\/h2\u003e\n\u003ch3\u003eTMR Architecture\u003c\/h3\u003e\n\u003cp\u003eFully triplicated with 2-out-of-3 voting. No single failure compromises valve action.\u003c\/p\u003e\n\n\u003ch3\u003eFlexible Feedback Input\u003c\/h3\u003e\n\u003cp\u003eAccepts 4–20 mA loops or voltage-divider networks. The resistor network must produce monotonic voltage steps across full valve travel—otherwise the module cannot determine position.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e\n  \u003ctr style=\"background:#f2f2f2;\"\u003e\n\u003cth style=\"padding:6px; border:1px solid #ddd; text-align:left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding:6px; border:1px solid #ddd; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e20–32 Vdc (nom. 24 Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e27 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eAnalogue Input\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e4–20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eSwitch Network Input\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e0–24 Vdc stepped\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eTemp. Range\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e-40 °C to +70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eATEX, IECEx, HazLoc\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eSIL\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eSIL 3 (IEC 61508)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eInstallation Tips\u003c\/h2\u003e\n\u003ch3\u003eAnalogue Sensor\u003c\/h3\u003e\n\u003cp\u003eSet zero\/span for 4 mA (closed) and 20 mA (open). Ensure loop power is 24 Vdc.\u003c\/p\u003e\n\n\u003ch3\u003eResistor Network\u003c\/h3\u003e\n\u003cp\u003eUse precision resistors (≤1%). Voltage steps must be monotonic across entire stroke—otherwise the module will flag a position error.\u003c\/p\u003e\n\n\u003ch3\u003eHazardous Area\u003c\/h3\u003e\n\u003cp\u003eFollow ATEX\/IECEx rules: use certified glands, separate IS from non-IS circuits, and observe max surface temperature.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose T8449?\u003c\/h2\u003e\n\u003cp\u003eWithstands vibration, temperature swings, and corrosion. TMR eliminates common-cause failures. Seamlessly integrates with ICS Triplex Trusted systems and third-party TSI platforms. Reduces external components while improving diagnostic coverage.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: How to check valve position via voltage?\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eA1:\u003c\/strong\u003e Measure voltage at the input. It should step up or down monotonically as switches actuate. Reversing steps means wiring error—module will reject it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: Can it replace an old single-channel monitor?\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eA2:\u003c\/strong\u003e Yes, but rewire for TMR: connect both output (drive) and input (feedback). The old monitor usually lacks feedback input—add the resistor network or transmitter.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: What does HazLoc mean?\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eA3:\u003c\/strong\u003e Approved for Class I, Div. 2 \/ Zone 2. Global compliance for explosive atmospheres. Check certificate for gas group and T-class (e.g., II 3 G Ex nA IIC T4).\u003c\/p\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":52583006371972,"sku":"T8449","price":341.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/T8449.jpg?v=1785652578","url":"https:\/\/www.etowonauto.com\/pt\/products\/ics-triplex-t8449-tmr-valve-position-monitor-24v","provider":"Etowon Auto","version":"1.0","type":"link"}