1756-OA8D Output Module | Allen-Bradley

Allen-Bradley 1756-OA8D ControlLogix Diagnostic AC Output Module

Technical Specifications

• Brand & Manufacturer: Allen-Bradley
• Series: ControlLogix
• Model Number: 1756-OA8D
• Module Type: Diagnostic AC Output Module
• Operating Voltage: 74-132 Volts AC (47-63 Hz)
• Number of Outputs: 8 Diagnostic Points
• Output Current per Point: 1A at 30°C, 0.5A at 60°C (linear derating)
• Module Current Rating: 8A at 30°C, 4A at 60°C
• Backplane Current: 175mA at 5.1V DC, 250mA at 24V DC
• Response Time: 9.3ms at 60Hz, 11ms at 50Hz
• Protection: Electronically fused outputs
• Isolation Voltage: 50V continuous (basic insulation)

Diagnostic Features

• Advanced diagnostic capabilities for each output channel.
• Electronically fused outputs provide enhanced circuit protection.
• Continuous monitoring of output status and fault conditions.
• Detailed fault reporting to the ControlLogix processor for quick troubleshooting.
• Supports predictive maintenance through real-time performance data.

Frequently Asked Questions

• Q: What makes the 1756-OA8D different from standard output modules?
  A: The 1756-OA8D includes advanced diagnostic features and electronic fusing for enhanced monitoring and protection.
• Q: What diagnostic information does this module provide?
  A: It reports detailed fault data including open circuit, short circuit, and overload conditions for each output point.
• Q: Can I use this module with 240V AC power?
  A: No, the 1756-OA8D is designed for 74-132V AC operation only.
• Q: Are external fuses still required with electronic fusing?
  A: The electronic fusing provides primary protection, but additional external protection may be recommended based on application requirements.
• Q: What is your return policy for this diagnostic module?
  A: We offer a 30-day return policy for unused items in their original packaging.

Contact: Email sales@nex-auto.com or call/WhatsApp +86 153 9242 9628.