{"product_id":"honeywell-51309218-175-low-level-analog-input-module","title":"Honeywell 51309218-175 Low Level Analog Input Module","description":"\u003cdiv class=\"qk-md-paragraph\"\u003e\n\u003cp\u003eConfigured for low-level millivolt signal acquisition and sensor processing in Honeywell TDC 3000 \/ Experion DCS platforms, the \u003cstrong\u003eHoneywell 51309218-175\u003c\/strong\u003e (\u003cstrong\u003e51309218175\u003c\/strong\u003e Low Level Analog 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\u003e51309218-175\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\u003eUSA \/ Global Manufacturing Facility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.61 lbs (0.73 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10.5 in x 6.5 in x 1.2 in (standard card chassis form factor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.2 W max from backplane rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Processing Type\u003c\/td\u003e\n\u003ctd\u003eLow-level analog (thermocouple \/ millivolt inputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eHoneywell TDC 3000 \/ Experion Process System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Communication\u003c\/td\u003e\n\u003ctd\u003eHigh-speed system backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Cold Junction Compensation\u003c\/h3\u003e\n\u003cp\u003eThe hardware processes microvolt and millivolt differential signals through high-precision input amplifiers, utilizing integrated channel-to-channel isolation networks to reject severe common-mode noise and ground potential differentials. For temperature sensing circuits, onboard dynamic cold junction compensation (CJC) algorithms normalize junction thermal variations across operating ambient ranges. Signal paths maintain galvanic barrier isolation to prevent ground loop currents from destabilizing internal analog-to-digital converter stages.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the Honeywell 51309218-175 module be replaced while the chassis rack is powered?\u003c\/p\u003e\n\u003cp\u003eA: No. System power to the local rack chassis must be fully de-energized prior to removing or inserting the module to prevent electrical backplane bus transients and driver degradation.\u003c\/p\u003e\n\u003cp\u003eQ: What physical inputs are processed by the 51309218-175 module?\u003c\/p\u003e\n\u003cp\u003eA: The circuit card is specifically engineered to handle low-level analog input signals, including thermocouples and low-amplitude millivolt sources.\u003c\/p\u003e\n\u003cp\u003eQ: How is thermal drift compensated across field thermocouple wiring?\u003c\/p\u003e\n\u003cp\u003eA: Cold junction compensation circuitry integrated into the termination hardware continuously monitors ambient reference temperatures to maintain conversion accuracy.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Isolation\u003c\/strong\u003e: Turn off and isolate all incoming primary and field loop power feeds to the chassis rack before handling the board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Precautions\u003c\/strong\u003e: Attach an anti-static wrist strap connected to cabinet earth ground prior to extracting or installing the circuit board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCard Insertion\u003c\/strong\u003e: Align the module edges with the card guide channels in the rack chassis and push firmly until the rear edge connector seats fully into the backplane. Tighten top and bottom mounting thumbscrews.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Routing\u003c\/strong\u003e: Route millivolt and thermocouple field leads in grounded metal conduit isolated from high-voltage AC cabling, bonding all shield drain wires directly to the cabinet ground bus.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52860319662360,"sku":"51309218-175","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/HoneywellCC-PAIH01_Cocoai_cbf77064-f5ef-41d9-ae54-117739273129.png?v=1791856456","url":"https:\/\/www.innoplcsync.com\/products\/honeywell-51309218-175-low-level-analog-input-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}