Allen-Bradley 1771-P7/C PLC Power Supply Module

FAQ

Q1. What is the 1771-P7/C used for?
It is a power supply module used to provide 5 V DC power to PLC-5 1771 I/O chassis systems.

Q2. What is the difference between P7 and P7/C?
The “/C” version is a later hardware revision with improved reliability and updated internal design, while maintaining functional compatibility.

Q3. What is its output capacity?
It can supply up to 16 A at 5 V DC to the backplane.

Q4. What input voltage does it require?
It supports either 120 V AC or 220 V AC selectable input ranges.

Q5. Can it be used in redundant configuration?
Yes, it supports parallel operation for redundancy in PLC-5 systems.

Q6. What chassis is it compatible with?
It works with 1771-A1B, A2B, A3B, A3B1, and A4B chassis.

Q7. What are its physical dimensions?
Approximately 115 × 315 × 160 mm.

Q8. What is its weight?
Approximately 1.95 kg (about 4.3 lbs).

1771-P7/C Allen Bradley

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