Description
The Allen-Bradley 1771-OFE1 (Series B) is a high-performance analog output module designed for use with the PLC-5 programmable controller system. This module is engineered to convert digital data from the processor into precise analog signals, which are essential for controlling industrial devices such as valves, variable frequency drives, actuators, and positioners. With its robust architecture, the 1771-OFE1 provides reliable performance in harsh industrial environments, offering high-resolution output for demanding process control applications. Its modular design allows for seamless integration into existing I/O racks, facilitating straightforward installation and maintenance in large-scale automated manufacturing facilities.

Key Technical Specifications
- Module Type: Analog Output Module (4-channel).
- System Compatibility: Designed for the Allen-Bradley 1771 PLC-5 I/O chassis.
- Resolution: 12-bit digital-to-analog conversion for precise control.
- Output Ranges: Selectable voltage (0–10V) and current (4–20mA) outputs.
- Isolation: Optically isolated outputs to protect the controller from electrical noise and surges.
- Update Time: High-speed update rate suitable for real-time process loops.
- Accuracy: Calibrated for high-precision output stability under variable load conditions.
- Input Requirements: Powered directly from the 1771 I/O rack backplane.
- Diagnostic Features: On-board status indicators for module fault and channel activity.
- Operating Temperature: Engineered for industrial standard ranges (0 °C to 60 °C).
Recommended 10 Models in the Allen Bradley 1771 Series
- 1771-OFE2 – Enhanced 4-Channel Analog Output Module
- 1771-IFE – 16-Channel Analog Input Module
- 1771-IFE1 – High-resolution Analog Input Module
- 1771-IVN – 24V DC Sink Input Module
- 1771-OVN – 24V DC Sink Output Module
- 1771-IFEB – Analog Input Module with enhanced diagnostics
- 1771-IAD – 120V AC Input Module
- 1771-OAD – 120V AC Output Module
- 1771-ASB – Remote I/O Adapter Module
- 1771-P7 – Power Supply Module for 1771 I/O Chassis

