Allen-Bradley 1769-OF2 is a high-precision 2-channel universal analog output module for 1769 CompactLogix systems. Supporting both programmable voltage and current signal output, it features full channel isolation, ultra-low error rate and fast response performance. Tailored for precision process regulation and analog actuator control, it serves as the core analog output unit for small and medium process automation and equipment retrofit projects.

Core Technical Parameter Specifications

Channel Configuration：2 independent universal analog output channels

Output Signal Type：Dual-mode programmable Voltage / Current output

Voltage Output Ranges：±10V, 0–10V, 0–5V, 1–5V programmable selection

Current Output Ranges：0–20mA, 4–20mA standard industrial loop ranges

Measurement Accuracy：Voltage ±0.3% FS / Current ±0.4% FS full-scale error

Nonlinearity & Repeatability：±0.05% high linearity and stable repeatability

Response Speed：＜10ms fast analog signal response

Isolation Grade：510VAC / 720VDC channel-to-backplane reinforced isolation

Protection Function：Built-in short-circuit & overvoltage protection

External Power：20.4–26.4VDC Class 2 regulated power supply

Operating Temperature：0℃ ~ +60℃ continuous industrial operation

Certifications：UL, CSA, CE global industrial safety compliance

Dual Analog Mode & High-Precision Regulation Performance

Different from single-type analog output modules, the AllenBradley 1769-OF2 integrates both voltage and current output functions in a compact single-slot design. Users can switch signal types and ranges freely via Studio 5000 according to field device requirements, perfectly matching industrial transmitters, proportional valves, frequency converters and analog display instruments.

Equipped with high-precision conversion circuit and temperature drift suppression design, the module maintains stable output accuracy under complex electromagnetic and temperature-variable environments. Independent channel isolation eliminates crosstalk between output signals, while built-in short-circuit and overvoltage protection effectively prevents module damage caused by field wiring faults. Real-time channel diagnosis function facilitates quick fault location and daily maintenance.

Flexible Expansion & Legacy System Retrofit Compatibility

AllenBradley 1769-OF2 features universal 1769 bus protocol, fully compatible with all CompactLogix L2x/L3x series controllers and standard Compact I/O racks. Its 2-channel lightweight design is more cost-effective than multi-channel analog modules for small-scale single-point and dual-point analog regulation scenarios, avoiding resource waste and reducing cabinet layout pressure.

It is widely used for legacy analog system upgrades and replacement. The unified installation size and communication protocol support plug-and-play replacement without cabinet modification or program restructuring. Paired with EtherNet/IP adapters, it realizes stable remote analog output control, adapting to hybrid-brand process control architectures and incremental factory renovation projects.

Industrial Application Scenarios

AllenBradley 1769-OF2 is extensively deployed in process control and precision adjustment scenarios requiring small-channel analog output, including temperature/pressure closed-loop regulation, flow valve adjustment, speed analog control and auxiliary parameter calibration of automated machinery.

North American process equipment OEMs adopt the module for standardized dual-channel analog regulation design. Latin American light process factories deploy 1769-OF2 for stable analog signal output of batch production lines. European automation projects rely on its high precision and signal stability to improve process control accuracy and reduce product consistency errors.