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- Allen-Bradley
- 1738-FPD
- Field Distributor Module
- USA
- 107.95 x 31.75 x 66.8 mm
- 0.289 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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- 24-Hour Service
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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.
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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 1738-FPD Field Distributor Module is an industrial power and system segmentation device designed for ArmorPoint distributed I/O architectures. It is used to split field power and communication segments within an I/O system, allowing multiple independent power groups while maintaining EtherNet/IP-based control connectivity.
This module is commonly used in large distributed automation systems where I/O modules are installed across machines or production lines. By isolating power domains, it improves system reliability, reduces fault propagation, and supports scalable machine-level automation designs.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 1738-FPD |
| Product Type | Field Distributor Module |
| Function | Field power and system segmentation |
| Power Input | 24 V DC |
| Power Distribution | Segments field power for I/O groups |
| Communication Role | Maintains network continuity |
| Mounting Type | On-machine / DIN rail compatible base |
| Protection Rating | IP65 / IP67 (system dependent) |
| Operating Temperature | -20°C to +60°C |
| Dimensions | 107.95 × 31.75 × 66.8 mm |
| Weight | 0.289 kg |
| Application Environment | Industrial automation systems |
Function and Working Principle
The 1738-FPD Field Distributor Module is used to divide a distributed I/O system into multiple power and functional segments. It allows field devices and I/O modules to operate in separate power groups while still maintaining communication continuity within the same automation network.
In case of a fault in one segment, the module helps isolate the affected section without shutting down the entire system.
This enables:
Power segmentation across I/O clusters
Improved fault isolation and system stability
Reduced impact of electrical failures
Scalable distributed automation architecture
Stable field power distribution
It is especially useful in large machine systems where multiple I/O zones operate independently.
Role in Industrial Control Systems
The 1738-FPD plays an important role in distributed automation systems, supporting:
ArmorPoint I/O system segmentation
Machine-level distributed control
Industrial power zoning
Factory automation systems
EtherNet/IP-based I/O architectures
Large-scale production line control
It improves system robustness and simplifies troubleshooting in complex industrial environments.
Industrial Applications
The Allen-Bradley 1738-FPD is widely used in:
Automotive manufacturing systems
Robotic production cells
Packaging machinery
Conveyor systems
Material handling equipment
Factory automation networks
Large distributed I/O installations
It is especially suitable for applications requiring modular segmentation of I/O and power domains.
Installation and System Integration
Proper installation ensures reliable system operation:
Installed within ArmorPoint I/O assemblies
Connected inline between I/O segments
Powered by 24 V DC field supply
Used to separate power groups in distributed systems
Requires proper system layout planning
Should follow industrial wiring and grounding standards
Correct configuration improves fault isolation and system scalability.
Compatible System Components
The 1738-FPD typically works alongside:
Allen-Bradley ArmorPoint I/O modules
1738 EtherNet/IP adapters
Field power modules (EP series)
PLC systems (ControlLogix / CompactLogix)
Industrial power supplies
Distributed automation systems
These components together form a modular and scalable industrial I/O architecture.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 1738-EP24DC | Power Extension Module | Extends field power | Large I/O systems |
| 1738-AENTR | EtherNet/IP Adapter | Network communication | Distributed automation |
| 1734-FPD | POINT I/O Field Distributor | Compact segmentation | Small systems |
| FLEX I/O Power Modules | Modular power system | Flexible configuration | Industrial automation |
| ControlLogix I/O Segmentation Modules | Centralized control system | High-capacity architecture | Complex automation |
Key Advantages
Enables I/O system segmentation
Improves fault isolation in distributed systems
Supports scalable machine architecture
Reduces system-wide downtime risk
Enhances power distribution stability
Suitable for harsh industrial environments
Technical FAQs
What is the main function of the 1738-FPD?
It divides ArmorPoint I/O systems into separate power and functional segments.
Where is it commonly used?
It is commonly used in manufacturing systems, machine automation, conveyor lines, and distributed industrial control systems.
Why is field power distribution important?
It improves system reliability by isolating faults and preventing a single failure from affecting the entire automation network.
Conclusion
The Allen-Bradley 1738-FPD Field Distributor Module is a reliable industrial solution designed for segmentation and power distribution in distributed I/O systems. Its ability to isolate power domains, improve fault tolerance, and support scalable architecture makes it essential for complex industrial automation environments.
For engineers and system designers, it provides an effective way to enhance system stability, reduce downtime risk, and improve the structure of large distributed control systems.