Allen-Bradley | 1756-OF8I |ControlLogix

Product Description: Allen-Bradley 1756-OF8I

The Allen-Bradley 1756-OF8I is a ControlLogix analog output module designed for high-precision voltage output control in industrial automation systems. It provides 8 isolated analog voltage outputs, each capable of delivering a signal range suitable for process control and monitoring applications. The module ensures accurate, stable, and reliable analog signals for controlling valves, actuators, and other devices requiring voltage input.

Product Type

• ControlLogix Analog Output Module
• Series: 1756 ControlLogix
• Output Channels: 8 isolated voltage outputs

Key Features

• 8 isolated analog voltage outputs (0-10 V standard output range)
• High- resolution 16-bit DAC for precise voltage control
• Output current drive: up to ±20 mA per channel
• Channel-to-channel isolation to prevent signal interference
• Built-in diagnostics and status indicators for easy troubleshooting
• Compatible with ControlLogix chassis and controllers
• Removable terminal blocks for simplified wiring and maintenance
• Supports CIP (Common Industrial Protocol) for easy integration into EtherNet/IP networks
• Flexible configuration options via RSLogix 5000 / Studio 5000 software

Technical Specifications

• Output Voltage Range: ±10 V (configurable)
• Resolution: 16 bits
• Maximum Output Current: ±20 mA per channel
• Isolation Voltage: 1500 VRMS between channels and system ground
• Response Time: Typically less than 1 ms
• Power Requirements: Powered from ControlLogix backplane
• Operating Temperature: 0 to 60 °C (32 to 140 °F)
• Dimensions: Standard ControlLogix module size (approx. 12.7 cm x 10.2 cm x 3.8 cm)
• Certifications: UL, CE, CSA, RoHS compliant

Application Areas

• Process control systems requiring precise voltage output
• Valve position control and actuator control
• Industrial automation with analog signal needs
• Water/wastewater treatment plants
• HVAC systems requiring analog control signals
• Manufacturing and packaging equipment

Advantages

• High-accuracy and stable voltage outputs
• Isolated channels prevent cross-talk and interference
• Easy integration into ControlLogix systems
• Flexible and configurable to suit various industrial applications
• Simplified wiring with removable connectors