{"product_id":"allen-bradley-1790d-t0w6-6-relay-output-base-module","title":"Allen-Bradley 1790D-T0W6 6 Relay Output Base Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1790D-T0W6 is a 6 Relay Output Base Module designed for demanding industrial control applications. This compact module provides six Form A (normally open, single pole, single throw) relay outputs, making it a reliable choice for switching loads in automation systems. With a wide output voltage range and robust isolation, the 1790D-T0W6 delivers dependable performance in PLC and DCS environments.\u003c\/p\u003e\u003cp\u003eEngineered for longevity, the 1790D-T0W6 features an expected contact life of 300 Kcycles resistive and 100 Kcycles inductive, ensuring minimal downtime. Its photocoupler isolation between I\/O and logic protects sensitive control circuits, while the terminal block wiring simplifies installation. Whether you are upgrading an existing panel or building a new system, the Allen-Bradley 1790D-T0W6 offers a cost-effective solution for relay output requirements.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eBelow are the key specifications for the Allen-Bradley 1790D-T0W6, ensuring you have accurate data for your engineering decisions.\u003c\/p\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\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003eForm A, normally open, single pole, single throw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range (load dependent)\u003c\/td\u003e\n\u003ctd\u003e5…24V dc @ 2.0 A resistive; 30V ac @ 2.0 A resistive; 125V ac @ 2.0 A resistive; 250V ac @ 2.0 A resistive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Rating\u003c\/td\u003e\n\u003ctd\u003e2.0 A @ 5…24V dc resistive; 2.0 A @ 30V dc resistive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Load\u003c\/td\u003e\n\u003ctd\u003e100 µA, 100mV dc per input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state Voltage Drop (max)\u003c\/td\u003e\n\u003ctd\u003e0.5V @ 2.0 A, resistive load, 24V dc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInitial Contact Resistance\u003c\/td\u003e\n\u003ctd\u003e30 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpected Contact Life\u003c\/td\u003e\n\u003ctd\u003e300 Kcycles resistive; 100 Kcycles inductive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-state Leakage (max)\u003c\/td\u003e\n\u003ctd\u003e1.5 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Delay Time\u003c\/td\u003e\n\u003ctd\u003eOff to On: 10 ms max; On to Off: 10 ms max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003e6 green status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Type\u003c\/td\u003e\n\u003ctd\u003e1 point\/1COM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeviceNet Power Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e24V dc nominal; range 11…28.8V dc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeviceNet 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 nominal; range 19.2…28.8V dc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e10 mA @ 28.8V dc per channel\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\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 (use copper or copper-clad aluminum conductors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eReliability and Maintenance\u003c\/h2\u003e\u003cp\u003eThe 1790D-T0W6 is built for reliability, with a contact life of 300 Kcycles resistive, reducing the frequency of replacements. Its photocoupler isolation protects the logic side from voltage spikes, extending the module's service life. To maintain optimal performance, periodically inspect the terminal block connections and ensure the screw torque does not exceed 7 lb-in. Verify that the field power supply remains within the specified 19.2…28.8V dc range to prevent relay damage. The green status indicators allow quick visual checks of output states, simplifying troubleshooting.\u003c\/p\u003e\u003ch2\u003eInstallation and Wiring\u003c\/h2\u003e\u003cp\u003eInstallation of the Allen-Bradley 1790D-T0W6 is straightforward. Mount the module securely in your control panel, then connect the field wiring to the M3.0 terminal block. Use copper or copper-clad aluminum conductors and tighten screws to a maximum of 7 lb-in. Ensure the DeviceNet power supply is within 11…28.8V dc and the field power within 19.2…28.8V dc. The output delay of 10 ms (both off-to-on and on-to-off) should be considered in your control logic timing. Always verify the load requirements match the relay's 2.0 A rating to avoid overcurrent conditions.\u003c\/p\u003e\u003ch2\u003eSelection Guide\u003c\/h2\u003e\u003cp\u003eWhen selecting a relay output module, confirm that the output voltage and current match your load specifications. The 1790D-T0W6 handles up to 2.0 A resistive across a wide voltage range, making it versatile for many AC and DC loads. Check the common type (1 point\/1COM) to ensure it fits your wiring scheme. For bulk orders or technical support, PLC Source PRO offers competitive pricing and reliable delivery for the Allen-Bradley 1790D-T0W6 and other automation spares.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44453905334371,"sku":"1790D-T0W6","price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1790D-0B16_214b2f8a-4099-483b-8c87-f41323b78030.jpg?v=1786109272","url":"https:\/\/www.plcsourcepro.com\/ar\/products\/allen-bradley-1790d-t0w6-6-relay-output-base-module","provider":"PLC Source PRO","version":"1.0","type":"link"}