Products Description




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Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Allen-Bradley 1771-P6S Redundant Power Supply Module |
| Product Type | PLC Redundant Power Supply Module |
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Series | PLC-5 (1771 Series, Revision C) |
| Input Voltage | 194–264 V AC (nominal 220 V AC) |
| Input Frequency | 47–63 Hz |
| Output Voltage | 5 V DC (backplane supply) |
| Backplane Output Current | Up to 8 A @ 5 V DC |
| Real Input Power | ~56–59 W (typical) |
| Apparent Input Power | ~89–92 VA |
| Transformer Load | ~140 VA |
| Redundancy Function | Supports parallel / redundant configuration |
| Parallel Capability | Multiple supplies can be daisy-chained |
| Control Features | Local/remote sensing, ID selection switches |
| Indicators | Power status and redundancy status LEDs |
| Wiring | 1771-CT redundancy/paralleling cable |
| Installation | 1-slot module in 1771 I/O chassis |
| Compatible Chassis | 1771-A1B, A2B, A3B, A3B1, A4B |
| Operating Temperature | 0°C to 60°C |
| Dimensions (L × W × H) | 279 mm × 152 mm × 51 mm |
| Weight | 1.31 kg (approx. 2.9 lbs) |
| Lifecycle Status | Discontinued (March 31, 2021) |
FAQ
FAQ
Q1. What is the 1771-P6S used for?
It provides regulated 5 V DC power to the PLC-5 1771 backplane with redundancy capability.
Q2. What makes the /C revision different?
The /C revision is an updated hardware version with improved reliability while maintaining full compatibility with earlier versions.
Q3. What input voltage does it require?
It operates on 194–264 V AC, typically used in 220 V AC industrial systems.
Q4. What is the output capacity?
It supplies up to 8 A at 5 V DC to the chassis backplane.
Q5. Can multiple units be used together?
Yes, multiple power supplies can be connected in parallel for redundancy.
Q6. What chassis is it compatible with?
It works with 1771-A1B, A2B, A3B, A3B1, and A4B chassis.
Q7. What are the physical dimensions?
Approximately 279 mm × 152 mm × 51 mm.
Q8. What is the weight of the module?
Approximately 1.31 kg (about 2.9 lbs).
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
