Product Overview
The Allen-Bradley 1769-OF2 is a Compact I/O analog output module engineered for precision control in industrial automation systems. Featuring two (2) single-ended output channels, this module delivers reliable voltage and current signals to drive modulating devices, re-transmit analog data, or interface with signal isolators. As part of the CompactLogix family, the 1769-OF2 integrates seamlessly with MicroLogix 1500 and CompactLogix controllers, making it a versatile choice for a wide range of process control applications.
Key Features & Benefits
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Dual Output Channels: Two single-ended outputs provide flexible signal routing for multiple control loops.
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Wide Analog Range: Supports ±10V dc, 0-10V dc, 0-5V dc, 1-5V dc voltage outputs and 0-20 mA, 4-20 mA current outputs.
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High Resolution: 14-bit unipolar and 14-bit plus sign bipolar resolution ensures precise signal generation.
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Fast Conversion: 2.5 ms conversion rate and 2.9 ms step response enable responsive control.
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No Calibration Required: Hardware design guarantees accuracy, reducing maintenance overhead.
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Robust Protection: Short-circuit (21 mA max) and over-voltage protection safeguard the module and connected equipment.
Technical Specifications
| Parameter |
Value |
| Manufacturer |
Rockwell Automation / Allen-Bradley |
| Part Number |
1769-OF2 |
| Product Line |
CompactLogix |
| Module Type |
Analog Output Module |
| No. of Outputs |
Two (2) Single Ended |
| Analog Ranges (Voltage) |
±10V dc, 0-10V dc, 0-5V dc, 1-5V dc |
| Analog Ranges (Current) |
0-20 mA, 4-20 mA |
| Full Scale Ranges (Voltage) |
±10.5V dc, -0.5 to 10.5V dc, -0.5 to 5.25V dc, 0.5 to 5.25V dc |
| Full Scale Ranges (Current) |
0-21 mA, 3.2-21 mA |
| Resolution |
14 bits (unipolar); 14 bits plus sign (bipolar) |
| Conversion Rate |
2.5 ms |
| Step Response |
2.9 ms |
| Current Draw @ 5.1V |
120 mA |
| Heat Dissipation |
2.36 W |
| Calibration |
None required (guaranteed by hardware design) |
| Slot Width |
1 |
| Wire Size (Solid) |
22 to 14 AWG |
| Mounting |
Panel Mount or DIN Rail |
| Series |
A and B |
| Replacement Terminal Block |
1769-RTBN18 |
| Replacement Door |
1769-RD |
| Shipping Weight |
2 lbs. |
| Shipping Dimensions |
8 x 8 x 5 in. |
Compatibility & Integration
The 1769-OF2 is designed for seamless integration with MicroLogix 1500 and CompactLogix controllers. Its single-slot footprint and 2-point communication cable make it easy to install in existing racks. The module supports PID control loops when used with compatible CompactLogix firmware, enabling manual and automatic control of analog processes. For applications requiring isolated outputs, the 1769-OF2 can drive signal isolators and splitters, expanding its utility in complex systems.
Applications
Ideal for process control, the 1769-OF2 excels in scenarios such as:
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Valve Positioning: Drive modulating valves with precise 4-20 mA signals for flow or pressure control.
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Data Re-transmission: Send analog data to panel meters, data loggers, or supervisory systems.
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Signal Conditioning: Provide input signals to isolators and splitters to protect downstream electronics.
Installation & Setup
Mount the 1769-OF2 on a DIN rail or panel using standard hardware. Connect the 2-point communication cable to the controller and wire field devices using 22 to 14 AWG solid copper wire. Ensure the power supply distance rating of 8 is respected to maintain signal integrity. No field calibration is required—simply configure the output range via the controller software and begin operation.
Maintenance & Reliability
The 1769-OF2 is built for long-term reliability with no calibration needs and robust protection against short circuits and over-voltage. Its solid-state design minimizes wear, and the module's heat dissipation of 2.36 W ensures stable operation within specified temperature ranges. Periodic inspection of wiring connections and environmental conditions will extend service life and prevent downtime.
Selection Guide
When selecting the 1769-OF2, verify compatibility with your controller model and firmware. Confirm the required output ranges and resolution match your application needs. For replacement or spares, ensure you have the correct terminal block (1769-RTBN18) and door (1769-RD) if needed. As a trusted supplier, PLC Source PRO offers genuine Allen-Bradley 1769-OF2 modules with fast shipping and competitive pricing.