Brand:Allen Bradley PLC Item No.:1771-P6R/C Product Origin:USA Product Dimensions:165 x 51 x 89 mm Product Weight:0.9 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 1771-P6R/C is a redundant power supply module developed for PLC-5 1771 series I/O systems. It is designed to ensure uninterrupted power delivery to the backplane by operating in redundant configurations, minimizing downtime risks in critical industrial processes.
This module plays an essential role in maintaining system stability in environments where continuous operation is required. By allowing parallel power supply operation, it enhances system resilience against power-related failures, making it a trusted component in legacy automation infrastructures that still demand high availability.
Technical Specifications
Parameter
Specification
Product Type
Redundant Power Supply
Series
1771
Model
P6R/C
Input Voltage
220V AC
Input Range
194–264V AC
Backplane Output
5V DC, 8A
Frequency
47–63 Hz
Power Consumption
~59 W
Mounting
1771 Chassis Slot
Dimensions
165 × 51 × 89 mm
Weight
0.9 kg
Recommended Related Models
Model
Product Name
1771-P4R
Allen Bradley Standard Power Supply Module
1771-P5E
Allen Bradley Extended Power Supply Module
1771-P6S
Allen Bradley Single Power Supply Module
1771-P7
Allen Bradley High-Capacity Power Supply Module
Popular Related Models
Model
Product Name
1771-IFE
Allen Bradley Analog Input Module
1771-IR
Allen Bradley RTD Input Module
1771-OBN
Allen Bradley Digital Output Module
1771-IBN
Allen Bradley Digital Input Module
Applications
• Redundant power architecture for PLC-5 1771 I/O systems in continuous production lines
• Power stabilization for multi-rack distributed control systems in large-scale plants
• Critical process industries requiring uptime protection (chemical, packaging, water treatment)
• Retrofit upgrade projects replacing single power supply configurations with redundancy support
• Factory automation systems where voltage stability directly impacts I/O reliability
• Legacy industrial control panels operating in 24/7 mission-critical environments
Advantages
• Redundant design improves system availability and reduces single-point power failure risk
• Stable 5V DC backplane power delivery ensures consistent PLC-5 rack operation
• Supports parallel configuration for multi-supply redundancy architecture
• Built for harsh industrial environments with electrical noise resistance
• Compatible with existing 1771 chassis without major system redesign
• Proven long lifecycle performance in legacy automation infrastructure
Technical FAQs
Q1: What is the main function of the 1771-P6R/C?
It provides redundant power to PLC-5 1771 I/O chassis systems to ensure continuous operation.
Q2: Does it support non-redundant operation?
Yes, it can operate in both single and redundant configurations depending on system design.
Q3: What voltage does it supply to the backplane?
It delivers regulated 5V DC power to the PLC backplane.
Q4: Can multiple units be connected together?
Yes, multiple power supplies can be configured in parallel for redundancy.
Q5: Is it hot-swappable?
No, replacement should be performed with system power removed to avoid damage.
Q6: What happens if one supply fails in a redundant setup?
The remaining supply continues to power the system without interruption.
Q7: Does it require configuration before use?
Yes, jumper settings and ID switches are used for redundancy configuration.
Q8: Is it compatible with modern ControlLogix systems?
No, it is designed specifically for PLC-5 1771 architecture.
Q9: What indicates normal operation?
Front panel indicators show active power supply status and redundancy condition.
Q10: Can it operate in harsh industrial environments?
Yes, it is designed for industrial-grade environments with electrical interference resistance.
