Allen-Bradley 1790D-T0A6 Base Module | 120V AC

Allen-Bradley 1790D-T0A6 120V AC 6-Output DeviceNet Base Module

Core Technical Specifications

• Brand: Allen-Bradley
• Model: 1790D-T0A6
• Output Configuration: 6 points, non-isolated, with 6 individual commons (6 COM).
• Load Voltage Range: Operates from 85 to 132 Volts AC.
• Load Current: Maximum 0.5 Amps RMS per point, with a minimum of 10 mA RMS.
• Switching Performance: Features a maximum operate time of 1 millisecond and a quick release time.
• Leakage & Drop: Very low off-state leakage (1.0 mA max) and minimal on-state voltage drop (1.3V RMS max).

Electrical & Safety Ratings

• Isolation: Photocoupler isolation (I/O to logic) rated at 1250V AC RMS.
• Dielectric Strength: Withstands 2500V AC RMS for 1 minute between input and output.
• Insulation Resistance: Excellent isolation with a minimum of 1000 MΩ.
• Field Power: The output side uses a non-isolated common design for field device power.

Power Requirements & Dissipation

• DeviceNet Supply: Requires 24V DC nominal (range 11 to 28.8V DC), with low power dissipation.
• External AC Power: Connects to a standard 110V RMS, 60 Hz supply (range 15-132V RMS).
• Recommended Fusing: Use a 1 Amp, 250V Normal Blow fuse for protection.

Installation & Indicators

• Wiring: Convenient terminal block (M3.0) connections. Use copper conductors and torque screws to 7 lb-in maximum.
• Status Indicators: Six green LED indicators provide clear visual status for each output point.
• Mounting: Designed for easy installation on a DIN rail within your control panel.

Frequently Asked Questions (FAQ)

• What is the load voltage for the 1790D-T0A6?
  The module supports a wide AC load voltage range from 85 to 132 Volts.
• How many output points does this base module have?
  The Allen-Bradley 1790D-T0A6 provides six discrete non-isolated output points.
• What is the maximum current each output can handle?
  Each output can switch a load up to 0.5 Amps RMS continuously.
• Do you have this module in stock?
  Yes, we maintain stock of this popular DeviceNet module for fast shipping.
• What are the shipping and return policies?
  We ship within 5 business days and offer a 30-day return policy for your peace of mind.

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