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  • 1769-OF2
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1769-OF2

1769-OF2 Allen-Bradley PowerFlex Compatible Output Module

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  • Manufacturer: Allen-Bradley

  • Product No.: 1769-OF2

  • Product Type: Analog Output Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 200g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Product Overview

The Allen-Bradley 1769-OF2 is a high-precision analog output module designed for the CompactLogix and MicroLogix 1500 systems. This 2-channel module provides the critical interface needed to convert digital controller data into precise analog signals for managing actuators, valves, and motor drives. 

Technical Configuration

Precision Signal Output

The 1769-OF2 offers exceptional signal clarity with 14-bit unipolar and 15-bit bipolar resolution. Each channel can be independently configured for multiple voltage ranges (±10V, 0-10V, 0-5V, 1-5V) or current ranges (0-20mA, 4-20mA). This versatility allows the 1769-OF2 to integrate seamlessly with a wide variety of field devices without the need for additional signal converters.

Robust Diagnostics & Protection

Designed for maximum uptime, the 1769-OF2 includes built-in short-circuit and over-voltage protection. It features proactive open-wire detection with a 10ms response time, allowing the controller to identify and react to wiring faults immediately. These diagnostic capabilities reduce troubleshooting time and protect sensitive equipment from electrical damage.

Technical Specifications

Attribute Details
Part Number 1769-OF2
Brand Allen-Bradley / Rockwell Automation
Output Channels 2 Analog Channels
Resolution 14-bit (Unipolar), 15-bit (Bipolar)
Conversion Rate 2.5ms
Accuracy ±0.5% (Voltage), ±0.35% (Current)
Current Draw 120mA @ 5.1V / 120mA @ 24V
Heat Dissipation 2.36W (Maximum)

Installation & Maintenance Guide

  • Backplane Placement: The 1769-OF2 has a power supply distance rating of 8. It must be installed within 8 slots of the 1769 system power supply to ensure proper operation.
  • Wiring Requirements: Use 22-14 AWG solid or 22-16 AWG stranded shielded cable. Keep analog wiring separate from high-voltage AC lines to prevent signal interference.
  • Grounding: To maintain high signal accuracy, ground the cable shield at the 1769-OF2 terminal block. Ensure only one end of the shield is grounded to avoid ground loops.
  • Terminal Block: The module utilizes the 1769-RTBN18 removable terminal block, allowing for quick module replacement without disconnecting the field wiring.

Engineering Advantages

The 1769-OF2 provides a compact and efficient solution for precision-dependent control loops. Its 2.9ms step response is ideal for fast-acting systems like pressure regulation or high-speed drive synchronization. By integrating these channels directly into the Compact I/O chassis, the 1769-OF2 minimizes the latency associated with remote adapters, providing a more responsive control architecture for machine builders.

Technical FAQs

Q1: Does the 1769-OF2 require field calibration?
A1: No. The 1769-OF2 is factory-calibrated to high precision and does not require periodic adjustment in the field.

Q2: What happens if a wire is disconnected?
A2: The 1769-OF2 features open-wire detection that triggers a status bit in the controller within 10ms, allowing the logic to initiate a safe shutdown or alarm.

Q3: Can I mount the 1769-OF2 horizontally or vertically?
A3: The module is designed for DIN rail or panel mounting. While horizontal mounting is standard, ensure adequate vertical clearance for heat dissipation as per the user manual.

Download Data Sheet

Access Detailed Product Specifications PDF

🏷️ Tags: Analog Output Module
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AC-powered
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