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- Allen Bradley
- 1771-WD
- Field Connection Arm
- USA
- 100 × 25 × 80 mm
- 0.09 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
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-WD is a Field Connection Arm designed for 1771 I/O systems, providing a robust and reliable interface for connecting field wiring to I/O modules.
With dimensions of 100 × 25 × 80 mm and a weight of 0.09 kg, the 1771-WD offers durability and compactness, making it suitable for space-limited industrial control panels while maintaining stable signal connections.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 1771-WD |
| Product Type | Field Connection Arm |
| Function | Connects field devices to 1771 I/O modules |
| Dimensions | 100 × 25 × 80 mm |
| Weight | 0.09 kg |
| Mounting Type | Panel-mounted or chassis-mounted |
| Compatibility | Allen-Bradley 1771 I/O modules |
| Operating Environment | Industrial automation and process control |
Function and Working Principle
The 1771-WD works by:
- Providing a secure and reliable connection for field wiring
- Organizing wiring from sensors, switches, and actuators to the I/O system
- Ensuring signal integrity between field devices and the 1771 I/O modules
- Simplifying installation and maintenance in distributed or compact setups
It acts as a compact bridge between field devices and the I/O chassis, improving wiring efficiency and system reliability.
Role in Industrial Automation
The 1771-WD serves as a key interface module:
- Facilitates remote field device integration with 1771 systems
- Reduces wiring complexity and clutter
- Provides a durable and secure connection point for industrial sensors and actuators
- Supports modular automation layouts and distributed I/O systems
- Enhances maintenance efficiency and troubleshooting
Industrial Applications
The 1771-WD is commonly used in:
- Remote I/O installations for manufacturing and process control
- Panel-mounted systems with limited space
- Distributed control systems (DCS) requiring organized wiring
- Industrial machinery connecting multiple sensors or actuators
- Automation setups where reliability and durability are essential
Its slightly heavier design compared to the 1771-WB provides enhanced robustness.
Installation and System Integration
Installation steps:
- Mount the 1771-WD near the I/O module or field device
- Connect field wiring from sensors, actuators, or switches to the terminals
- Attach the arm to the 1771 chassis or compatible connector
- Check signal continuity and connection integrity
- Test the system to ensure reliable operation
Proper installation guarantees durable and organized field connections.
Compatible System Components
- Allen-Bradley 1771 I/O modules (digital, analog, AC/DC)
- 1771 Remote Termination Panels (RTP)
- Field devices including sensors, actuators, and switches
This ensures efficient and reliable signal integration in industrial automation networks.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| Allen-Bradley 1771-WB | Field Connection Arm | Lightweight design | Compact installations |
| Allen-Bradley 1771-WC | Field Connection Arm | Slightly more robust | Standard field connections |
| Allen-Bradley 1771-RTP4 | Remote Termination Panel | Remote I/O connection | Distributed I/O systems |
| Siemens ET 200SP Field Connector | Field I/O interface | Flexible modular mounting | Distributed automation systems |
Key Advantages
- Compact and robust design (0.09 kg) for industrial use
- Simplifies field wiring to I/O modules
- Provides reliable signal transmission and reduced wiring errors
- Supports modular and distributed I/O layouts
- Enhances installation efficiency and maintenance
Technical FAQs
How does the 1771-WD differ from the 1771-WC?
Both are similar in size and weight (0.09 kg), but the WD is designed for durable industrial connections in standard field applications.
Is it compatible with all 1771 I/O modules?
Yes, it integrates with standard Allen-Bradley 1771 digital, analog, and AC/DC modules.
Can it be installed in tight spaces?
Yes, its compact design (100 × 25 × 80 mm) is ideal for panel-mounted or space-limited setups.
Does it improve wiring reliability?
Yes, it provides a secure and organized connection point, reducing potential wiring faults.
Conclusion
The Allen-Bradley 1771-WD Field Connection Arm is a compact, durable, and reliable solution for connecting field devices to 1771 I/O modules. Its robust construction, organized wiring interface, and ease of installation make it ideal for industrial automation and distributed control systems, ensuring stable and efficient signal connections.