{"product_id":"allen-bradley-1794-it8-flex-input-module","title":"Allen-Bradley 1794-It8 Flex Input Module","description":"\u003ch3\u003eProduct Information\u003c\/h3\u003e1794IT8\u003cbr\u003eINPUT MODULE\u003cbr\u003eFLEX I\/O\u003cbr\u003e8 CHANNEL\u003cbr\u003eTHERMOCOUPLE \/ MILLIVOLT INPUT\u003cbr\u003e+\/- 76.5 MV INPUT\u003cbr\u003e16 BIT RESOLUTION\u003cbr\u003e20 MA FLEXBUS CURRENT\u003cbr\u003e24 VDC SUPPLY\u003cbr\u003eBLOCK TRANSFER INTERFACE\u003cbr\u003e\u003ch3\u003eTechnical specifications for 1794-IT8\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct Model: 1794-IT8\u003c\/li\u003e\n\u003cli\u003eSpare Model: 1794IT8\u003c\/li\u003e\n\u003cli\u003eProduct Parameters: FLEX I\/O INPUT MODULE\u003c\/li\u003e\n\u003cli\u003eTariff Code: 8537101190\u003c\/li\u003e\n\u003cli\u003eCountry of origin: USA\u003c\/li\u003e\n\u003cli\u003ePlace of shipment: Xiamen,China\u003c\/li\u003e\n\u003cli\u003e Estimated Shipping Size: 9.3x5.3x4.8cm\u003c\/li\u003e\n\u003cli\u003e   Manufacturer: Allen-Bradley\u003c\/li\u003e                 \u003cli\u003e   Weight: 0.1 kg\u003c\/li\u003e        \u003cli\u003e        Number of Inputs: 8 channels            \u003c\/li\u003e        \u003cli\u003e        Nominal InputRanges: -76.5 to +76.5mV            \u003c\/li\u003e        \u003cli\u003e        Resolution: 16 bits            \u003c\/li\u003e        \u003cli\u003e        Common ModeRejection: -115db @ 60Hz; -100db @ 50Hz            \u003c\/li\u003e        \u003cli\u003e        Common Mode InputRange: +10V maximum            \u003c\/li\u003e        \u003cli\u003e        Normal Mode NoiseRejection: -60db @ 60Hz            \u003c\/li\u003e        \u003cli\u003e        Input Offset Driftw\/Temperature: +6mV\/¡ãC maximum            \u003c\/li\u003e        \u003cli\u003e        Gain Drift w\/Temp: 10ppm\/¡ãC maximum            \u003c\/li\u003e        \u003cli\u003e        Channel Bandwidth: 0-2.62Hz (-3db)            \u003c\/li\u003e        \u003cli\u003e        OvervoltageCapability: 35V dc, 25V ac continuous at 25¡ãC            \u003c\/li\u003e        \u003cli\u003e        Overall Drift withTemperature: 50ppm\/¡ãC of span (maximum)            \u003c\/li\u003e        \u003cli\u003e        Channel to channelisolation: +10V            \u003c\/li\u003e        \u003cli\u003e        Flexbus Current: 20mA            \u003c\/li\u003e        \u003cli\u003e        Power Dissipation: 3.0W maximum @ 31.2V dc            \u003c\/li\u003e        \u003cli\u003e        Thermal Dissipation Maximum: 10.2 BTU\/hr @ 31.2V dc            \u003c\/li\u003e                      \u003c\/ul\u003e                        \u003ch4\u003eFeatures:\u003c\/h4\u003e\u003cul\u003e    \u003cli\u003e\u003cspan\u003eFlex I\/O 1794r\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003e16-bit 2’s complement or offset binary (unipolar)\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003eWiring Connections for the Thermocouple\/RTD Module\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003eFLEX I\/O Thermocouple Input Analog Module and RTD Module \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003eThe Allen-Bradley 1794-IT8 is a Flex I\/O . This module is Thermocouple and millivolt input module that has Eight (8) channels compatible with Thermocouple sensors J, K, E, R, N, S, B, C, T and L sensors and accepts +\/-76.5m voltage range. This module has 16-bit resolution and has a FlexBus current draw of 20 mA. \u003cbr\u003e\u003cbr\u003eThe 1794-IT8 is compatible with any available Flex I\/O communication adapter. This module is a compatible on being operated in Temperature application ranges such as 300 to 1800oC (572 to 3272oF) using Type B Thermocouple; 0 to 2315oC (32 to 4199oF) Type C;–230 to 1000oC (–382 to 1832oF) Type E; –195 to 1200oC (–319 to 2192oF) Type J; –230 to 1372oC (–382 to 2502oF) type K; –270 to 1300oC (–450 to 2372oF) Type N; –50 to 1768oC (–58 to 3214oF) Type R; –50 to 1768oC (–58 to 3214oF) Type S; –195 to 400oC (–319 to 752oF) type T; –175 to 800oC (–283 to 1472oF) type L. Milivolt input signals are practically used with transducers and other instruments that produce non-standard signals. Data exchange with the 1794-IT8 Thermocouple input module is configured using the block transfer operation.\u003cbr\u003e\u003cbr\u003e\u003cp style=\"color:#E55241;\"\u003eThe \u003cstrong\u003e1794-IT8 Allen-Bradley\u003c\/strong\u003e FLEX I\/O INPUT MODULE   may still be available for purchase and support from Amikon Limited beyond \u003cstrong\u003eEnd-Of-Life (EOL) \u003c\/strong\u003eby the manufacturer (OEM).\u003c\/p\u003e                                                           \u003cp\u003e                        Allen-Bradley 1794-IT8 FLEX I\/O INPUT MODULE Manuals, Datasheets, Drivers, Link\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eAllen-Bradley 1794-IT8PDF Download\u003c\/li\u003e    Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.                                                           \u003cp\u003e                        Before inserting the 1794-IT8 module on the terminal base, the users should rotate the key switch on the base to Position 3 because this position is required for the safe mounting and operation of the thermocouple\/mV module. The Allen-Bradley 1794-IT8 FLEX I\/O thermocouple module communicates with PLCs through the block-transferring option. Block transfer programming relies on input signal data words moving between the thermocouple module’s memory and a designated area in the PLC’s data table. Block transfer programming also supports the moving of the configuration words from the PLC data table to the thermocouple module. The Allen-Bradley 1794-IT8 module comes with 2 cold junction compensators that are engineered to be mounted in designated positions on the terminal base unit. The module can accept grounded and ungrounded thermocouples. The nominal input range for the input signals is -7.65 to 7.65 mV. The module is supplied with 24 Volts DC voltage and it has 16-bit input signal resolution. On the front side of the module, there is 1 inserted label with 8 fields reserved for inpidual input designations. The 1794-IT8 has a normal mode rejection ratio of -60 dB at 60 Hertz, a common mode input range of +\/-10 Volts, and a common mode rejection ratio of -115 dB at 60 Hertz and of 100 dB at 50 Hertz.                    \u003c\/p\u003e                                       \u003cp\u003e                        \u003c\/p\u003e\n\u003cul\u003e    \u003cli\u003e\u003cspan\u003eFood and Beverage:Temp compliance \u0026amp; quality across production lines\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003eEnergy Management:Monitors thermal conditions in power plants \u0026amp; distribution\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003eHVAC Systems:Tracks temp \u0026amp; humidity for heating\/ventilation\/A\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003eFurnace\/Oven Monitoring:High-temp monitoring (B,C,N,S TCs) for metal processing\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003eHeat Treatment \u0026amp; Ovens:Maintains temp profile for material integrity in kilns\/dryers\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003ePlastic Injection Molding:Monitors barrel \u0026amp; nozzle temps for consistent melt flow\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003ePackaging Equipment:Regulates sealing temps for heat-sealers \u0026amp; shrink tunnels\u003c\/span\u003e\u003c\/li\u003e    \u003cli\u003e\u003cspan\u003eChemical \u0026amp; Process Reactors:Tracks exothermic\/endothermic reactions in batch processors\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.\u003c\/p\u003e                                                           \u003cp\u003e                        \u003c\/p\u003e\n\u003cp\u003eThe 1794-IT8 requires an external +24V DC power source, applied to terminal 34 (Row C) and 16 (Row B), as it does not draw power from the backplane. \u003c\/p\u003e\n\u003cp\u003eThermocouple Connections: Signal wires connect to Row A, while Cold Junction Compensation (CJC) sensors for the 1794-TB3T base connect to specified terminals 36–38 and 47–49.\u003c\/p\u003e\n\u003cp\u003eShielding: Connect shield returns to Row B (TB3) or Row C (TB3T). \u003c\/p\u003e                                                                                                                    \u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066457182381,"sku":"1794-IT8","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1794-IT8_13.jpg?v=1784213205","url":"https:\/\/www.maxwellplc.com\/ga\/products\/allen-bradley-1794-it8-flex-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}