The Allen Bradley 1771-OAD is an AC output module designed for use in PLC-5 programmable logic controller (PLC) systems. It provides high-voltage AC output switching for industrial automation applications, offering dependable control of external devices such as solenoids, relays, motors, and indicator lights. This module is part of the 1771 I/O series, ensuring seamless integration with PLC-5 racks for reliable industrial process automation.
Technical Specifications
- Manufacturer: Allen Bradley (Rockwell Automation)
- Model: 1771-OAD
- Series: 1771 I/O Module
- Number of Outputs: 16 outputs
- Output Type: AC, Triac-switched
- Voltage Range: 85-265V AC
- Output Current Rating: 2A per point (max), 8A per module (max)
- Response Time:
- Turn-on: 5ms max
- Turn-off: 8.3ms max
- Isolation Voltage: 1500V AC (field side to logic side)
- Backplane Current Draw: 195mA at 5V DC
- Module Power Dissipation: 4.9W max
- Mounting: Standard 1771 chassis slot
- Connector Type: Removable field wiring connector
Key Features
- 16 AC output points for controlling industrial loads
- Wide voltage range (85-265V AC) for flexible application use
- Optically isolated outputs provide enhanced noise immunity and system protection
- Triac output switching for reliable, high-power AC load control
- Modular design for easy integration with PLC-5 I/O systems
- LED status indicators provide clear diagnostics for each output channel
Compatible Allen Bradley Components
- Allen Bradley PLC-5 Controllers (1785 Series)
- Allen Bradley 1771 I/O Chassis
- RSLogix 5 Software for programming and configuration
- FactoryTalk View for monitoring and diagnostics
Industry Applications
- Manufacturing automation and assembly line control
- Conveyor and material handling systems
- Pump and motor control in industrial processes
- Lighting and HVAC control systems
- Food and beverage processing automation
Installation & Operational Notes
- Mounts in a standard 1771 I/O chassis for seamless PLC-5 system integration
- Ensure proper wiring and voltage compatibility before installation
- Triac-switched outputs provide durable and long-lasting AC load control
- Routine maintenance recommended to ensure optimal module performance
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