Allen Bradley 1771-OFE2 /B Analog Output Module (12 Bit Current Outputs)

The Allen-Bradley 1771-OFE2/B Analog Output Module is a high-precision component designed for industrial automation systems, offering reliable current output control for various applications.

Key Features

• Four Individually Isolated Channels: Provides four separate 4–20 mA current outputs, each with 1000 V isolation, ensuring signal integrity and protection against electrical interference.
• 12-Bit Resolution: Delivers precise digital-to-analog conversion, allowing for accurate control over output signals.
• Single-Slot Design: Occupies a single slot in the 1771 I/O chassis, optimizing space within the control system.
• Compatibility: Fully compatible with Allen-Bradley PLC-5 processors and 1771 series I/O chassis, facilitating seamless integration into existing systems.

Technical Specifications

• Output Channels: 4 individually isolated channels
• Output Signal Range: 4–20 mA
• Digital Resolution: 12-bit binary
• Backplane Current Draw: 1.5 A at 5V DC
• Power Dissipation: 7.9 Watts
• Thermal Dissipation: 26.9 BTU/hr
• Isolation Voltage: 850 VDC for 1 second per channel
• Operating Temperature Range: 0°C to 60°C (32°F to 140°F)
• Certifications: UL, CE, CSA approved for industrial use

Applications

The 1771-OFE2/B module is ideal for various industrial applications, including:

• Process control systems requiring precise current loop outputs
• Motor speed regulation and actuator positioning
• Integration with Variable Frequency Drives (VFDs), dampers, louvers, and valves

Its robust design and high-resolution output make it a reliable choice for demanding industrial environments.