The 1756-OF8 ControlLogix Analog Output Module from Rockwell Automation is a high-performance 8-channel analog output module engineered for industrial automation systems that require accurate process signal transmission, stable analog control, and high channel density within a ControlLogix platform.
Designed for demanding process applications, the 1756-OF8 supports both voltage and current analog outputs, making it suitable for controlling valves, actuators, drives, dampers, and instrumentation devices across industries such as oil & gas, water treatment, pharmaceutical production, chemical processing, and manufacturing automation.
Its combination of precision, flexibility, and scalability makes it a preferred solution for modern process control systems.
Technical Specifications (Including Size & Weight)
| Parameter | Specification |
|---|---|
| Model | 1756-OF8 |
| Series | ControlLogix Analog Output Modules |
| Module Type | 8-Channel Analog Output Module |
| Number of Outputs | 8 analog outputs |
| Output Signal Types | Voltage / Current selectable |
| Voltage Output Range | ±10V DC |
| Current Output Range | 0–20 mA / 4–20 mA |
| Resolution | 15-bit |
| Accuracy | ±0.05% full scale typical |
| Channel Isolation | Non-isolated between channels |
| Isolation Voltage | 250V continuous (backplane isolation) |
| Update Time | ~2 ms per channel |
| Output Load | Voltage and current compatible industrial loads |
| Calibration | Factory calibrated |
| Backplane Current (5.1V DC) | ~200 mA |
| Backplane Current (24V DC) | ~145 mA |
| Power Dissipation | ~5–6 W |
| Terminal Block | 1756-TBNH / 1756-TBSH |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5%–95% non-condensing |
| Weight | ~0.35–0.50 kg |
Physical Dimensions
- Size (H × W × D): 145 × 55 × 140 mm
The module utilizes a standard ControlLogix chassis footprint while providing expanded analog output capacity for larger process control applications.
Recommended Related Models
The 1756-OF8 is commonly integrated with:
- 1756-IF8 analog input module
- 1756-IF16 high-density analog input module
- 1756-OF4 analog output module
- 1756-OF6CI isolated current output module
- 1756-L71 / L73 ControlLogix processors
- 1756-EN2T EtherNet/IP communication modules
Popular Allen-Bradley Analog Modules
Widely used analog modules within the ControlLogix platform include:
- 1756-OF8 8-channel analog output module
- 1756-OF4 compact analog output module
- 1756-OF6CI isolated current output module
- 1756-IF8 analog input module
- 1756-IF16 multi-channel analog input module
These modules support scalable and precise industrial process automation architectures.
