Allen Bradley 1771-OFE1 Analog Output Module

Product Description

The Allen-Bradley 1771-OFE1 Analog Output Module is a high-performance component from the PLC-5 family, engineered to deliver precise voltage signals for critical industrial automation applications. With selectable output ranges and advanced protection features, this module ensures reliable operation in demanding environments, making it a trusted choice for process control and machine automation.

Technical Specifications

• Manufacturer: Allen-Bradley (Rockwell Automation)

• Model Number: 1771-OFE1

• Module Type: Analog Output Module

• Condition: Brand New

• Range of Product: Allen-Bradley PLC-5

• Weight: 0.6 kg

• Dimensions: 2.9 × 19.3 × 25.4 cm

• HS Code: 8537101190

• Minimum Order Quantity (MOQ): 1

• Origin: USA

• System Compatibility: PLC

• Lifecycle Status: Active

• Availability: In Stock

Functional Overview

The 1771-OFE1 Analog Output Module is designed for precision and reliability. Key features include:

• Output Ranges: Selectable +1 to +5 VDC, -10 to +10 VDC, and 0 to +10 VDC

• DAC Resolution: 12-bit digital-to-analog conversion for accurate signal output

• Response Time: Rapid settling time of 0.8 ms for resistive loads

• Scan Rate: 8 ms per channel (BCD data with scaling) or 1.6 ms per channel (binary data without scaling)

• Device Control: Directly drives modulating devices such as control valves, dampers, positioners, and adjustable frequency drives

• Signal Source: Reliable for data loggers, splitters, panel meters, and single-loop controllers

• Protection: Overload protection on each output to safeguard against short circuits

• Installation: Occupies a single slot in the 1771 I/O chassis; requires no external power (draws 1.4 A at 5 V from backplane)

• Thermal Performance: 7.9 W maximum power dissipation, 26.9 BTU/hr thermal dissipation

• Environmental Range: Operates from 32 °F to 140 °F; storage down to -40 °F; vibration and shock resistant

• Safety: Optoelectrical isolation of 1500 V for protection against electrical disturbances

• Diagnostics: Continuous self-checks with fault indication via LED indicators

Application Scenarios

The 1771-OFE1 module is widely used in:

• Process Control – precise voltage output for modulating devices

• Manufacturing Automation – integration with PLC-5 systems for machine control

• Utilities – reliable signal source for monitoring and control equipment

• Industrial Data Acquisition – powering panel meters, loggers, and controllers

FAQ

Q: Is the 1771-OFE1 still available? A: Yes, it is active and available in stock.

Q: What is the primary function of this module? A: It provides precise analog voltage outputs for industrial automation systems.

Q: Does it require external power? A: No, it draws power directly from the 1771 I/O chassis backplane.