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- 1756-OA8
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- USA
- 14.5 × 5.6 × 14.0 cm
- 0.34kg
- Xiamen, China
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1756-OA8 Detailed Product Overview
Product Introduction
The 1756-OA8 is an industrial-grade digital AC output module designed for use in high-performance automation systems. It belongs to the ControlLogix platform and is engineered to provide reliable switching of AC electrical loads in industrial environments.
This module delivers 8-channel AC output control and is commonly used to drive relays, contactors, solenoid valves, indicator lamps, and other AC-powered industrial devices. It is designed for applications requiring stable output performance, fast switching response, and dependable integration with programmable logic controllers.
The 1756-OA8 adopts a modular chassis-based design, allowing it to be installed within ControlLogix racks and integrated seamlessly with processors, communication modules, and other I/O components. Its structure supports flexible system expansion and simplifies automation architecture design.
It is widely used in industrial environments such as production lines, packaging machinery, material handling systems, automotive manufacturing, and process automation systems where consistent AC output control is required.
Brand Information
| Item | Description |
|---|---|
| Brand | Industrial Automation Brand |
| Product Platform | ControlLogix |
| Product Type | Digital AC Output Module |
| Main Function | AC Load Switching Control |
| Installation Method | Chassis Mount |
| Application Category | Industrial Automation |
| Output Type | AC Digital Output |
| System Architecture | Modular PLC System |
Product Series Introduction
ControlLogix Series
The ControlLogix platform is a modular industrial automation system designed for complex control applications requiring scalability, high-speed processing, and integrated control functionality.
It supports multiple automation functions including:
- PLC control processing
- Digital input/output management
- Motion control integration
- Industrial communication networking
- Process automation control
- System-level diagnostics
Key characteristics of the series include:
- High-speed backplane communication
- Modular and scalable architecture
- Strong industrial reliability
- Flexible system expansion capability
- Stable long-term operation
- Multi-device integration support
The 1756-OA8 belongs to the digital AC output module category within this platform and is optimized for reliable switching of AC loads in industrial systems.
The platform is widely used in:
- Automotive manufacturing systems
- Packaging machinery
- Material handling systems
- Logistics automation
- Food and beverage production
- Printing equipment
- General industrial process control
1756-OA8 Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-OA8 |
| Product Type | Digital AC Output Module |
| Series | ControlLogix |
| Number of Outputs | 8 Channels |
| Output Voltage Range | 74–265V AC |
| Output Type | Triac AC Output |
| Output Groups | 2 Groups (4 points each) |
| Isolation Voltage | 250V Continuous |
| Installation Type | Chassis Installation |
| Backplane Current @ 5.1V DC | Approx. 0.20 A |
| Backplane Current @ 24V DC | Approx. 2 mA |
| Power Dissipation | Approx. 5.1 W |
| Thermal Dissipation | Approx. 17.39 BTU/hr |
| Output Current per Point | Up to 2 A |
| Surge Current Capacity | 20 A (short duration) |
| Leakage Current (OFF state) | Max 3 mA per point |
| Response Time | Approx. 9–11 ms |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Vibration Resistance | Industrial grade |
| Shock Resistance | Industrial grade |
| Cooling Method | Passive cooling |
| Wiring Method | Removable Terminal Block |
| Dimensions | 14.5 × 5.6 × 14.0 cm |
| Weight kg（ ） | 0.34 kg |
Product Features
1. Reliable AC Output Switching
The 1756-OA8 provides stable AC output control for industrial loads, ensuring reliable switching of electrical devices such as relays, solenoids, and contactors.
This makes it suitable for systems requiring consistent ON/OFF control of AC-powered equipment.
2. 8-Channel Output Configuration
The module includes 8 independent output channels divided into two groups, allowing efficient control of multiple field devices within a compact module design.
This reduces cabinet space requirements and simplifies wiring layout.
3. Fast Response Performance
The module supports quick switching response, improving system reaction time in automated processes and reducing delays in machine operation.
4. Industrial Durability
Designed for harsh environments, the module maintains stable operation under vibration, electrical noise, and continuous industrial workload conditions.
5. Modular Integration
The module integrates seamlessly with other ControlLogix components, supporting flexible system design and expansion without major hardware changes.
Product Advantages
Stable Output Control
Provides consistent and reliable AC switching performance for industrial loads.
Compact Design
Small footprint improves control cabinet efficiency and reduces installation complexity.
High System Compatibility
Works smoothly within modular PLC architectures for flexible automation design.
Reduced Wiring Complexity
Grouped output structure simplifies electrical wiring and system maintenance.
Industrial Reliability
Built for continuous operation in demanding production environments.
Efficient Machine Control
Enables accurate and timely switching of industrial devices.
Main Applications
Packaging Systems
Used for controlling conveyors, sealing machines, labeling systems, and automated packaging lines.
Automotive Production
Applied in assembly stations, robotic systems, and transfer lines requiring AC load switching.
Material Handling Systems
Supports conveyor control, warehouse automation, and logistics systems.
Process Automation
Used in industrial systems requiring reliable ON/OFF AC control signals.
Food and Beverage Industry
Controls pumps, valves, and processing equipment in automated production lines.
Printing Machinery
Used for synchronized machine control and auxiliary AC device switching.
Industrial Performance Summary
| Capability | Benefit |
|---|---|
| 8-Channel Output Design | Efficient device control |
| AC Triac Switching | Reliable load handling |
| Fast Response Time | Improved machine performance |
| Modular Architecture | Easy system expansion |
| Industrial Durability | Long operational life |
| Compact Size | Space-saving installation |
| Stable Operation | Reduced downtime |
| High Compatibility | Flexible integration |
Recommended Related Models (Same Series / Similar Function)
| Model | Type | Channels | Output Type | Dimensions | Weight kg（ ） | Feature |
|---|---|---|---|---|---|---|
| 1756-OA16 | AC Output Module | 16 | AC | 14.5 × 5.6 × 14.0 cm | 0.35 kg | Higher channel density |
| 1756-OA16I | Isolated AC Output Module | 16 | AC Isolated | 14.5 × 5.6 × 14.0 cm | 0.37 kg | Channel isolation |
| 1756-OA8I | Isolated AC Output Module | 8 | AC Isolated | 14.5 × 5.6 × 14.0 cm | 0.36 kg | Improved noise resistance |
| 1756-OB16E | DC Output Module | 16 | DC | 14.5 × 5.6 × 14.0 cm | 0.28 kg | Fast DC switching |
| 1756-OW16I | Relay Output Module | 16 | Relay | 14.5 × 5.6 × 14.0 cm | 0.36 kg | Electrical isolation relay output |
Recommended Popular Models (Same Platform)
| Model | Type | Function | Dimensions | Weight kg（ ） | Advantage |
|---|---|---|---|---|---|
| 1756-L81E | Processor Module | High-speed PLC control | 14.5 × 5.6 × 14.0 cm | 0.45 kg | High processing power |
| 1756-EN2TR | Ethernet Module | Industrial networking | 14.5 × 5.6 × 14.0 cm | 0.29 kg | Stable communication |
| 1756-IB16 | Input Module | Digital input | 14.5 × 5.6 × 14.0 cm | 0.27 kg | Reliable signal acquisition |
| 1756-IF16 | Analog Input | Signal processing | 14.5 × 5.6 × 14.0 cm | 0.31 kg | High accuracy |
| 1756-PA75 | Power Module | System power supply | 14.5 × 5.6 × 14.0 cm | 0.90 kg | Stable power output |
Installation Notes
- Install inside a ventilated control cabinet
- Ensure proper grounding to reduce noise interference
- Use industrial-grade wiring for stable performance
- Avoid high humidity and conductive dust environments
- Maintain proper spacing for heat dissipation
Maintenance Notes
| Item | Recommendation |
|---|---|
| Wiring inspection | Check terminals regularly |
| Dust cleaning | Keep cabinet clean |
| Temperature monitoring | Ensure cooling conditions |
| Output check | Verify switching performance |
| Power stability | Maintain steady supply |
| Vibration control | Reduce mechanical stress |
Overall Summary
The 1756-OA8 is a compact and reliable 8-channel AC output module designed for industrial automation systems requiring stable switching performance and efficient integration. Its modular structure, fast response capability, and industrial durability make it suitable for a wide range of manufacturing and process control applications.
It remains a practical choice for systems that require dependable AC load control within a scalable PLC architecture.