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Allen-Bradley 1791-0A16 Block I/O AC Output Module

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Allen-Bradley 1791-0A16 Block I/O AC Output Module Overview

Key Technical Specifications

  • Brand: Allen-Bradley
  • Model: 1791-0A16
  • Category: PLC Digital Output Module
  • Output Channels: 16 AC Outputs
  • Output Voltage Range: 20-132 VAC, 47-63 Hz
  • On-State Current per Point: 50 mA minimum
  • Output Delay (ON to OFF): 8.3 ms @ 60 Hz / 10.0 ms @ 50 Hz
  • Output Delay (OFF to ON): 1.0 ms @ 60/50 Hz
  • External Power Supply: 85-132 VAC, 47-63 Hz, 150 mA continuous
  • Isolation Rating: 1250VAC between I/O groups and logic
  • Wire Specification: Recommend 14 AWG stranded with max 3/64" insulation

Mounting & Installation Guidelines

  • You can mount the module in either a vertical or horizontal orientation, but this affects the total current rating.
  • For vertical mounting, the maximum output current is 600 mA at 30°C and 300 mA at 60°C ambient temperature.
  • For horizontal mounting, the maximum output current is 300 mA at 30°C and 150 mA at 60°C ambient temperature.
  • The module uses a removable terminal strip for easy wiring and module replacement.
  • Always verify your device's voltage and current requirements before connecting them to the output channels.

Frequently Asked Questions (FAQ)

  • Q: Do you have this module in stock ready to ship?
    A: Yes, the 1791-0A16 is available in our inventory for immediate order processing.
  • Q: What is the output voltage and how many channels does it have?
    A: This is a 16-channel module with an output voltage range of 20-132VAC, nominally 120VAC.
  • Q: Which Allen-Bradley PLC controllers work with this module?
    A: It is compatible with PLC-2, PLC-3, PLC-5/20, and PLC-5 series controllers.
  • Q: What is the delay time when an output turns off?
    A: The OFF delay is approximately 8.3 milliseconds at 60 Hz power frequency.
  • Q: What are the mounting options and do they affect performance?
    A: You can mount it vertically or horizontally. Vertical mounting provides a higher total current rating.
  • Q: What is your shipping and return policy?
    A: We ship via DHL, FedEx, or UPS within 5 days and offer a 30-day return policy for your peace of mind.

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Original Source: https://www.nex-auto.com/
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Phone: +86 153 9242 9628

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