{"product_id":"schneider-140ati03000c-analog-thermocouple-input-module","title":"Schneider 140ATI03000C Analog Thermocouple Input Module","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eIn industrial temperature monitoring, electrical noise and signal drift often compromise thermocouple readings. The Schneider 140ATI03000C analog input module directly addresses these challenges with robust filtering and high-resolution measurement. Designed for the Modicon Quantum automation platform, this I\/O expansion module provides eight dedicated analog input channels specifically for thermocouple sensors. Its precision circuitry ensures that temperature data remains accurate even in electrically noisy environments, reducing false alarms and improving process consistency.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 (Analog, Thermocouple)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eNotch filter – 3 dB at 50\/60 Hz; Single pole low pass – 3 dB at 20 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Time\u003c\/td\u003e\n\u003ctd\u003e1000 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Current\u003c\/td\u003e\n\u003ctd\u003e280 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e1.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation – Channel to Bus\u003c\/td\u003e\n\u003ctd\u003e1780 V AC for 60 s; 2500 V DC for 60 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel-to-Channel Isolation\u003c\/td\u003e\n\u003ctd\u003e300 V DC; 220 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Mode Rejection\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; -120 dB at 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e32…140 °F (0…60 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.7 lb (0.3 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFor further technical parameters, please contact UBEST Automation. The 140ATI03000C is engineered for reliable operation under demanding conditions, featuring conformal coating and compliance with UL 508 and CSA standards.\u003c\/p\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe 140ATI03000C excels in processes requiring precise temperature measurement across multiple points. Typical applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat treatment furnaces\u003c\/strong\u003e – monitors zones with J, K, T, E, R, and S thermocouples, ensuring uniform thermal profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical reactors\u003c\/strong\u003e – provides accurate readings from thermocouple inputs to maintain reaction stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlastic molding machinery\u003c\/strong\u003e – tracks barrel and mold temperatures with 16-bit resolution for consistent product quality.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEach application benefits from the module’s ability to reject common-mode noise and filter out power-line interference, a common cause of erratic readings.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eWhen installing the 140ATI03000C, note that cold junction compensation can be performed internally or externally. For internal compensation, ensure the ambient temperature around the module is within 32…140 °F. Mount the module in a standard Quantum rack slot and verify that the bus current requirement of 280 mA does not exceed the rack’s power supply capacity. Use shielded thermocouple extension wires and avoid routing cables near high-voltage lines to preserve signal integrity. The module’s diagnostic LEDs (one green for active, one red for fault, and eight green\/red per channel) assist in quick status verification during commissioning.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRoutine maintenance for the 140ATI03000C is minimal. The conformal coating protects against moisture and corrosive atmospheres. Periodically check for loose connections and inspect thermocouple wiring for breakage. The module includes broken-wire detection (fault type) to alert operators of sensor failures. With an operating temperature range of 32…140 °F and storage tolerance from -40…185 °F, the module suits most industrial environments. Its isolation barriers (\u0026gt;1780 V AC) prevent ground loops that could degrade accuracy over time.\u003c\/p\u003e\u003ch2\u003eTroubleshooting \u0026amp; Common Issues\u003c\/h2\u003e\u003cp\u003eOperators using the 140ATI03000C may encounter the following situations:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncorrect readings\u003c\/strong\u003e – verify thermocouple type matches the module configuration; check for loose terminals or damaged wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed fault LED illuminated\u003c\/strong\u003e – indicates an external fault; use the channel LEDs to identify which input is problematic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo communication\u003c\/strong\u003e – ensure the rack backplane is properly seated and the bus current supply is adequate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrift over time\u003c\/strong\u003e – recalibrate using the internal cold junction compensation and verify that the ambient temperature has not changed drastically.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe 140ATI03000C’s diagnostic capabilities simplify troubleshooting, reducing downtime and maintenance costs.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default","offer_id":44403396378723,"sku":"140ATI03000C","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/140ATI03000C_3.jpg?v=1784990322","url":"https:\/\/www.plcsourcepro.com\/products\/schneider-140ati03000c-analog-thermocouple-input-module","provider":"PLC Source PRO","version":"1.0","type":"link"}