Product Introduction
The Allen-Bradley 1771-P6S/B Power Supply Module is a rack-mounted power supply designed for the Allen-Bradley 1771 PLC-5 I/O System. It provides regulated 5 VDC power to the backplane / the 1771 chassis, supporting multiple I/O modules with reliable and stable power delivery.
The 1771-P6S/B accepts 220 VAC input and delivers 5 VDC at 8 A, distributed through the PLC backplane to power digital, analog, and communication modules simultaneously. Its design ensures compatibility with existing PLC-5 systems and facilitates easy replacement or system expansion.
This module is ideal for industrial automation applications requiring consistent and dependable DC power, including manufacturing lines, process control systems, and infrastructure automation. Its backplane integration simplifies installation while maintaining system reliability.
Product Specifications
| Parameter | Specification |
|---|---|
| モデル | 1771-P6S/B |
| ブランド | Allen-Bradley |
| Module Type | Power Supply Module |
| Series | 1771 PLC-5 I/O Series |
| Input Voltage | 220 VAC |
| Input Frequency | 50 / 60 Hz |
| Output Voltage | 5 VDC |
| Output Current | 8 A |
| Power Distribution Method | Backplane Power Supply |
| Installation Method | 1771 I/O Chassis Mount |
| Application Type | PLC Rack Power Supply |
| Dimensions | 165 × 51 × 89 mm |
| 重量 | 0.9 kg |
Applications
• PLC backplane power supply
Supplies regulated 5 VDC power to the 1771 chassis, ensuring reliable operation / all installed modules.
• Industrial automation control systems
Used in manufacturing lines to power sensors, actuators, motor starters, and machine control modules.
• Process control environments
Chemical and refining plants use the module to support valve control, pumps, and monitoring systems.
• Energy and utility infrastructure
Power plants and water treatment systems rely on PLC racks powered by this module to maintain continuous control and monitoring.
• Legacy PLC-5 system maintenance
The module is suitable for replacing or expanding power supplies in existing 1771 PLC-5 installations.
Advantages
• Reliable DC backplane output
Provides regulated 5 VDC at 8 A, sufficient to power multiple I/O modules in a single rack.
• Efficient AC-to-DC conversion
Maintains stable output voltage even with fluctuating input power conditions.
• Industrial-grade design
Built to withstand electrical noise, temperature variations, and load changes common in industrial environments.
• Easy installation in 1771 chassis
Mounts directly in the PLC rack and distributes power via the backplane, minimizing wiring complexity.
• サポートs multiple module types
Can power digital, analog, and communication modules simultaneously.
• Compatible with PLC-5 systems
Fully integrates with 1771 series automation systems for reliable long-term operation.
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