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- Allen Bradley
- 1771-OBD
- Digital DC Output Module
- USA
- 165 x 51 x 89 mm
- 0.84 kg
- Xiamen, China
- New & In Stock
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- 1 Year
- 1-3 Working Days
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen-Bradley 1771-OBD Digital DC Output Module is designed to provide precise and reliable DC output control in industrial automation systems. It enables PLC-controlled switching of DC-powered devices, such as actuators, solenoids, indicator lights, and relays, ensuring efficient process automation.
Its modular design fits into the 1771 I/O chassis, providing a robust interface for DC output applications.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 1771-OBD |
| Product Type | Digital DC Output Module |
| Function | Controls DC-powered devices with high reliability |
| Compatible Systems | Allen-Bradley 1771 I/O chassis, PLCs, DCS, SCADA systems |
| Output Type | DC switching outputs |
| Output Voltage | DC load voltage (configured per system requirements) |
| Mounting Type | Chassis-mounted (1771 I/O rack) |
| Dimensions | 165 × 51 × 89 mm |
| Weight | 0.84 kg |
| Operating Environment | Industrial automation, process control, manufacturing systems |
| Slots Required | Standard 1771 I/O module slot |
| Installation | Plug-in into 1771 I/O chassis |
Function and Working Principle
The 1771-OBD operates by:
- Receiving control signals from the PLC or DCS
- Switching DC output channels to drive connected devices
- Providing isolation and protection for output circuitry
- Organizing terminal connections for easy wiring and maintenance
- Supporting modular replacement or expansion without system downtime
This ensures efficient, safe, and reliable DC output control in industrial automation.
Role in Industrial Automation
The 1771-OBD serves as a key DC output interface:
- Controls actuators, solenoids, indicator lights, and DC relays
- Ensures reliable switching of DC-powered devices
- Maintains organized wiring for troubleshooting and maintenance
- Supports modular expansion within the 1771 I/O chassis
- Enhances overall system efficiency, reliability, and process automation
It is suitable for manufacturing, process automation, and industrial control applications.
Industrial Applications
The 1771-OBD is commonly used in:
- Industrial automation systems requiring DC output control
- PLC/DCS-controlled actuators, solenoids, and relays
- SCADA systems needing digital DC switching outputs
- Process control where modular, reliable DC output modules are essential
- Systems that require safe, compact, and easy-to-maintain DC output solutions
Its robust construction ensures long-term, reliable operation in industrial environments.
Installation and System Integration
Installation steps:
- Insert the module into a standard 1771 I/O chassis slot
- Connect DC output wiring to actuators, relays, or indicator devices
- Verify correct wiring and load ratings
- Configure the PLC or DCS to control the output channels
- Maintain accessibility for inspection, maintenance, and expansion
Proper installation ensures accurate, reliable, and safe DC output control.
Compatible System Components
The 1771-OBD integrates with:
- Allen-Bradley 1771 I/O chassis
- PLC controllers and DCS output systems
- DC-powered actuators, solenoids, relays, and indicators
- SCADA systems for process monitoring and control
- Additional 1771 I/O modules for modular system expansion
This ensures a robust, organized, and reliable DC output network.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| Allen-Bradley 1771-OB | DC Output Module | Multi-point DC output | PLC/DCS systems |
| Allen-Bradley 1771-OW16 | Relay Output Module | 16-point relay control | Industrial automation |
| Siemens SM 1232 | Digital Output Module | DC switching outputs | PLC control panels |
| ABB DO810 | DC Output Module | High-current DC output | Process and manufacturing systems |
| GE IS200TRLYH2C | Relay Output Terminal Block | DC relay outputs | PLC/automation panels |
Key Advantages
- Provides reliable DC output control for industrial devices
- Modular design for easy installation, maintenance, and expansion
- Organized terminals for efficient wiring and troubleshooting
- Robust construction for long-term industrial operation
- Fully compatible with Allen-Bradley 1771 I/O chassis and PLC systems
- Ensures safe and efficient switching of DC loads
Technical FAQs
What type of outputs does it provide?
Digital DC outputs for actuators, solenoids, relays, and indicator devices.
How is it mounted?
Plug-in module for Allen-Bradley 1771 I/O chassis.
Can it operate in harsh industrial environments?
Yes, designed for reliable operation in demanding conditions.
Is it compatible with other 1771 modules?
Yes, fully compatible within the 1771 I/O chassis system.
Conclusion
The Allen-Bradley 1771-OBD Digital DC Output Module is a robust and precise solution for DC load control. Its modular design, organized terminals, and reliable construction make it essential for PLC, DCS, and SCADA systems requiring accurate, safe, and efficient DC output control in industrial automation.