{"product_id":"distributed-i-o-blocks-allen-bradley-1790d-t0b16","title":"Distributed I\/O Blocks | Allen-Bradley 1790D-T0B16","description":"\u003cp\u003eThe \u003cstrong\u003e1790D-T0B16\u003c\/strong\u003e is a 24 VDC discrete output base block manufactured by Allen-Bradley for the CompactBlock LDX I\/O series. Operating as an active node on a DeviceNet network, it provides 16 sourcing output points in a compact, open-style IP20 enclosure. The module integrates output logic control, field power distribution, and a built-in DeviceNet communication adapter into a single hardware footprint.\u003c\/p\u003e\n\u003ch3\u003eSourcing Output Circuitry and Screw Termination\u003c\/h3\u003e\n\u003cp\u003eThe 16 digital output channels deliver 24 VDC sourcing signals, routing power from the external field supply directly to connected loads such as solenoid valves, relays, and indicator lights. Field wiring connects directly to fixed screw-clamp terminal blocks, offering secure, vibration-resistant connections for industrial installations. The front panel includes status LEDs for real-time monitoring of network health and individual channel logic states.\u003c\/p\u003e\n\u003ch3\u003eDeviceNet Commissioning and Local System Expansion\u003c\/h3\u003e\n\u003cp\u003eNetwork node addressing from 00 to 63 is set via two front-panel rotary switches, which are sampled by the internal controller upon power-up. The module supports automatic baud rate detection for simplified network commissioning. As a base module, the \u003cstrong\u003e1790D-T0B16\u003c\/strong\u003e can operate standalone or accept up to three CompactBlock LDX digital expansion blocks (such as the 1790-0B16X or 1790-16BV0X) connected via ribbon cables to increase node I\/O density.\u003c\/p\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\u003e1790D-T0B16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley (Rockwell Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCompactBlock LDX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete Output Base Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e16 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003e24 VDC sourcing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (10.2...26.4 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Rating\u003c\/td\u003e\n\u003ctd\u003e0.5 A per channel (4 A total per common)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eDeviceNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNode Addressing\u003c\/td\u003e\n\u003ctd\u003eFront-panel rotary switches (00...63)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Type\u003c\/td\u003e\n\u003ctd\u003eFixed screw-clamp terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Expansion Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 3 digital expansion blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Options\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail or panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eOpen style \/ IP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.35 lbs (0.16 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifecycle Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eFrequently Asked Questions\u003c\/p\u003e\n\u003cp\u003eQ: How does the 1790D-T0B16 differ from the 1790D-0B16 base block? A: The 1790D-T0B16 features fixed screw-clamp terminal blocks for field signal wiring, whereas the 1790D-0B16 utilizes removable D-shell connectors.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum load current capability per channel on the 1790D-T0B16? A: Each sourcing output channel supports up to 0.5 A at 24 VDC, with a combined maximum limit of 4 A per common group.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1790D-T0B16 be expanded with additional I\/O points? A: Yes, it functions as a base block that supports up to three CompactBlock LDX digital expansion modules connected via expansion ribbon cables.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67147289264243,"sku":"1790D-T0B16","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/1790D-T0B16_Cocoai.jpg?v=1794196660","url":"https:\/\/www.dcssupplier.com\/products\/distributed-i-o-blocks-allen-bradley-1790d-t0b16","provider":"DcsSupplier Limited","version":"1.0","type":"link"}