Allen-Bradley 1790D-T0W6 DeviceNet Relay Output Base Module

Allen-Bradley 1790D-T0W6 6-Point Relay Output Base Module

Core Product Information

• Brand: Allen-Bradley
• Model: 1790D-T0W6
• Output Configuration: Six (6) Form A (Normally Open) single-pole, single-throw relay outputs.
• Relay Type: Electromechanical relay, providing physically isolated contacts.
• Contact Life: 300,000 cycles (resistive load), 100,000 cycles (inductive load).
• Output Current Rating: Maximum 2.0 Amps per channel (at rated power).

Detailed Technical Specifications

• Output Voltage Range: Supports wide load voltages: 5–24V DC, 30V AC, 125V AC, and 250V AC.
• On-State Voltage Drop: Maximum 0.5V at 2A, 24V DC resistive load.
• Initial Contact Resistance: Typical 30 milliohms.
• Off-State Leakage Current: Maximum 1.5 mA.
• Switching Speed: Output delay time (On to Off, Off to On) is maximum 10 milliseconds.
• Isolation: Features photocoupler isolation between I/O and logic, rated at 1250V AC RMS.
• Power Consumption: Base module dissipates max 1.2W. Each active channel draws approx. 10 mA at 28.8V DC.
• Status Indicators: Six green LEDs provide clear visual status for each output channel.

Frequently Asked Questions (FAQ)

• Can the 1790D-T0W6 module switch AC power?
  Yes, this relay module is designed to safely switch AC loads up to 250V AC.
• What is the maximum switching current per relay contact?
  The maximum switching current per channel is 2.0 Amps across the specified voltage ranges.
• Are the relays independent? How are the commons wired?
  Yes, all six relays are independent, featuring a 1 point per 1 common (1 pt/1 COM) design for flexible wiring.
• What is the expected operational life of the module?
  Contact life expectancy is 300,000 operations under typical resistive load conditions.
• Do you offer a return policy?
  Yes, we support a 30-day return policy for qualified products.

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