1791DS-IB8XOBV4 Guard I/O Module Allen-Bradley

Product Introduction: Allen-Bradley 1791DS-IB8XOBV4 Guard I/O Module

Key Technical Parameters

• Brand: Allen-Bradley
• Model Number: 1791DS-IB8XOBV4
• Product Line: Guard I/O 1791DS Series
• Input Channels: 8 single-channel safety inputs.
• Input ON Voltage: 11V DC minimum signal level.
• Output Channels: 4 safety outputs (sourcing/sinking pair).
• Operating Voltage: Wide range from 19.2 to 28.8V DC.
• Power Draw: Low consumption at 85 mA (@ 24V DC).

Performance & Safety Ratings

• Safety Certification: Complies with IEC 61508 for SIL 3 applications.
• Safety Category: Meets Category 4 requirements per EN 954-1.
• Enclosure Protection: High IP64/65/67 rating for dust and water resistance.
• Operating Temperature: Functions from -25 to 70 °C (-13 to 158 °F).
• Storage Temperature: Can be stored from -40 to 85 °C (-40 to 185 °F).
• Communication Protocol: Uses DeviceNet with CIP Safety extension.

Diagnostics & Safety Features

• The module runs automatic self-diagnostics on power-up and continuously.
• A clear red status LED indicates any critical internal faults.
• In a fault condition, safety outputs disable to maintain a safe state.
• It supports safety devices like E-stop buttons and light curtains.
• The design includes monitoring for channel disagreement timing.
• It conforms to relevant EMC standards for industrial environments.

Frequently Asked Questions (FAQ)

• Q: Is this a genuine Allen-Bradley product?
  A: Yes, we supply only 100% authentic brand new original Allen-Bradley modules.
• Q: What makes this a 'safety' module?
  A: It is designed with fault-checking diagnostics to meet SIL 3 and Category 4 safety standards.
• Q: What is the difference between this and the standard IB8XOB8 model?
  A: The 1791DS-IB8XOBV4 has 4 dual-function output pairs and a higher IP67 rating.
• Q: Can it interface with safety light curtains?
  A: Yes, it is designed to work with such safety peripherals as part of a safety system.
• Q: What is your return policy?
  A: We offer a 30-day return policy for unused items in original packaging.

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