{"product_id":"1790d-t8bv8b-industrial-automation-module-by-allen-bradley","title":"1790D-T8BV8B Industrial Automation Module by Allen-Bradley","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1790D-T8BV8B is a CompactBlock LDX base module engineered for decentralized industrial I\/O. This 24 Volts DC module delivers 8 universal inputs and 8 sourcing outputs in a compact package, making it an ideal choice for machine builders and system integrators seeking reliable distributed control. With an integrated DeviceNet interface, the 1790D-T8BV8B simplifies wiring and reduces cabinet space, directly supporting your automation architecture.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eKey parameters of the Allen-Bradley 1790D-T8BV8B module:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Base Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e CompactBlock LDX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1790D-T8BV8B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 612598279203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.31 lbs (0.14 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Volts DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 4.8 kiloohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Indicators:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e DeviceNet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Power:\u003c\/strong\u003e 24 Volts DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 1250 Volts RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Type:\u003c\/strong\u003e Sourcing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInput 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\u003eInputs per module\u003c\/td\u003e\n\u003ctd\u003e8 points nonisolated, sinking or sourcing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state voltage\u003c\/td\u003e\n\u003ctd\u003e9.6V dc min, 24V dc nom, 28.8V dc max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state current\u003c\/td\u003e\n\u003ctd\u003e8 mA max per point @ 28.8V dc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-state voltage\u003c\/td\u003e\n\u003ctd\u003e5V dc max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput impedance, nom\u003c\/td\u003e\n\u003ctd\u003e4.8 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003e8 green status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon type\u003c\/td\u003e\n\u003ctd\u003e8 points\/8COM (non-polarity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eOutput 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\u003eOutputs per module\u003c\/td\u003e\n\u003ctd\u003e8 points nonisolated, sourcing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state voltage\u003c\/td\u003e\n\u003ctd\u003e10V dc min, 24V dc nom, 28.8V dc max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state voltage drop\u003c\/td\u003e\n\u003ctd\u003e0.5V dc max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state current\u003c\/td\u003e\n\u003ctd\u003e1 mA min per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-state leakage\u003c\/td\u003e\n\u003ctd\u003e0.5 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput signal delay\u003c\/td\u003e\n\u003ctd\u003eOff to On: 0.5 ms max, On to Off: 1.0 ms max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003e8 green status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput current rating\u003c\/td\u003e\n\u003ctd\u003e0.5 A max per output, 4.0 A max per common\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon type\u003c\/td\u003e\n\u003ctd\u003e8 points\/8COM (1790D-8BV8B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eGeneral 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\u003eDeviceNet power – supply voltage\u003c\/td\u003e\n\u003ctd\u003e24V dc nom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeviceNet power – voltage range\u003c\/td\u003e\n\u003ctd\u003e11…28.8V dc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeviceNet power – power dissipation\u003c\/td\u003e\n\u003ctd\u003e1.2 W max @ 28.8V dc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField power – supply voltage\u003c\/td\u003e\n\u003ctd\u003e24V dc nom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField power – voltage range\u003c\/td\u003e\n\u003ctd\u003e10…28.8V dc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField power – power dissipation\u003c\/td\u003e\n\u003ctd\u003e6 mA @ 28.8V dc per point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eI\/O to logic: photocoupler isolation; isolation voltage: 1250V ac rms; DeviceNet to logic: nonisolated; DeviceNet power: nonisolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003eTerminal block (M3.0), screw torque: 7 lb-in max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe 1790D-T8BV8B excels in material handling systems where distributed I\/O reduces wiring complexity. For example, in a conveyor sorting application, the 8 inputs monitor photo-eyes while the 8 sourcing outputs drive actuator solenoids—all over a single DeviceNet cable. This module also suits packaging machinery, allowing fast setup and reconfiguration during line changeovers. Its 24V DC operation aligns with standard control panels, simplifying power design.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the 1790D-T8BV8B on a standard DIN rail in a clean, dry enclosure. Connect DeviceNet trunk and drop cables to the integrated interface, ensuring proper termination and grounding. Wire field devices to the terminal block using M3.0 screws; tighten to 7 lb-in max to avoid damage. Verify field power is within the 10…28.8V DC range before energizing. After power-up, check the green LED indicators for each channel to confirm correct I\/O wiring.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRoutine inspection of the 1790D-T8BV8B should focus on terminal block tightness, cable integrity, and LED status. Periodically verify that the DeviceNet network remains properly terminated and that no moisture or debris accumulates. Because the module uses photocoupler isolation up to 1250V AC RMS, it tolerates transient voltages well, but always follow safe wiring practices. Proactive checks reduce unplanned downtime and extend service life.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe 1790D-T8BV8B is designed for DeviceNet networks, making it compatible with Allen-Bradley controllers and scanners that support DeviceNet. Use standard DeviceNet cabling and connectors to integrate with PLCs, HMIs, and other nodes. The module's non-polarity common wiring simplifies field connections, and its sourcing outputs drive most industrial loads directly.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore ordering, confirm your system requires 24V DC I\/O with DeviceNet communication and that you need exactly 8 inputs and 8 outputs. Verify the output type (sourcing) matches your load requirements. For genuine Allen-Bradley parts and reliable service, PLC Source PRO offers this 1790D-T8BV8B with accurate specifications and fast shipping.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44453915983971,"sku":"1790D-T8BV8B","price":234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1790D-0B16_9ca1d55b-a605-4a1b-a7af-a396a2910ec3.jpg?v=1786110309","url":"https:\/\/www.plcsourcepro.com\/products\/1790d-t8bv8b-industrial-automation-module-by-allen-bradley","provider":"PLC Source PRO","version":"1.0","type":"link"}