1790-T0A8X 8-Output AC Base Module Allen-Bradley

Allen-Bradley 1790-T0A8X 8-Output AC Base Module Overview

Key Technical Specifications

• Brand: Allen-Bradley
• Model: 1790-T0A8X
• Output Configuration: 8 points, non-isolated
• Load Voltage Range: 15 to 132V AC RMS
• Maximum Load Current: 0.5 A RMS per point
• Minimum Load Current: 10 mA RMS
• On-State Voltage Drop: 1.3V RMS maximum at full load
• Off-State Leakage Current: 1.0 mA RMS maximum at 100V AC
• Switching Speed: 1 ms maximum operate time, 1/2 cycle + 1 ms release
• Isolation Rating: Photocoupler isolation (1250V AC RMS) between I/O and logic
• Power Consumption: Approximately 5.2 Watts at rated current
• Status Indicators: 8 individual green LEDs for output status
• Wiring Terminals: Removable terminal block with M3.0 screws

Frequently Asked Questions (FAQ)

• Q: What is the load voltage range for the 1790-T0A8X module?
  A: The Allen-Bradley 1790-T0A8X supports a broad load voltage range from 15 to 132V AC RMS.
• Q: Are the outputs on this module isolated from each other?
  A: No, the eight output points are non-isolated. They share common internal V AC and COM connections.
• Q: What is the maximum current each output can handle?
  A: Each output can handle a maximum continuous current of 0.5 A RMS.
• Q: How fast is the switching response of this module?
  A: It features a fast 1 ms maximum operate time and a quick release time.
• Q: Does the module have status indicators?
  A: Yes, it includes eight green LEDs, one for each output, to show the on/off status.
• Q: What power supply voltage does it require?
  A: Wire it directly to a standard 120V AC, 60 Hz field power source.

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