Reliable Power for SLC 500 Control Systems
The 1746-P5 is a power module specifically designed for Allen-Bradley SLC 500 controllers. It provides a stable DC power supply to the processor and installed I/O modules via the chassis backplane, ensuring continuous and reliable system operation in industrial environments.
This power supply is widely used in existing SLC 500 systems, and is particularly suitable for applications requiring long-term reliability and compatibility with legacy systems.
Role in the Control System
The 1746-P5 module is installed on the left side of the SLC 500 chassis, responsible for converting the input AC power into regulated DC power required for the entire rack. This module supports continuous operation and ensures system stability by providing sufficient backplane current for standard SLC configurations.
For facilities maintaining mature automation platforms, this module remains a critical component.
Technical Data
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model Number | 1746-P5 |
| Product Type | Power Supply Module |
| Platform | SLC 500 |
| Line Voltage | 90-146V dc |
| Voltage Range | 18-30V dc |
| Backplane Output Voltage | 5 V DC |
| Typical Line Power Requirement | 85 VA |
| Maximum Inrush Current | 20A |
| Current Capacity | 200 mA |
| Isolation | 1800V ac RMS for 1 s |
| Storage Temperature | –40°C to +85°C |
| CPU Hold-up Time | 20 ms (full load) 3000 ms (no load) |
Where It Is Commonly Used
Process Industries
Used in chemical, water treatment, and material processing systems.
OEM Equipment
Integrated into machines designed based on the SLC 500 architecture.
Production Lines
Powering SLC 500 systems that control conveyors, presses, and assembly equipment.
Practical Considerations
Power capacity must match total I/O load
Designed specifically for indoor control cabinet installation
Use identical models during replacement to ensure compatibility
Compatible only with SLC 500 chassis
Original Factory Sealed Automation Products
Over two decades of hands-on procurement experience
Efficient order processing and global distribution solutions
Established international procurement channels
Sustained supply assurance for mature systems and discontinued equipment
Address
Hubin South Road, Siming District, Xiamen, Fujian, China
Common Buyer Questions
Q: Is this power adapter compatible with all SLC 500 racks?
A: Yes, it is designed specifically for standard SLC 500 chassis.
Q: Can it support a fully loaded rack?
A: It supports most standard configurations; verify total current draw during system design.
Q: Is it suitable for new projects?
A: Primarily intended for existing SLC 500 systems and equipment replacement.
Q: Can it directly power field devices?
A: No, it supplies power to controllers and I/O modules via the backplane.
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