OVERVIEW

Official designation: Mitsubishi A1S61P (MELSEC-A Series, Power Supply Module)

Role/Application: This module supplies operating power to the backplane and mounted modules in MELSEC-A systems, accepting a wide range of AC input and providing a stable 5 V DC output.

KEY SPECS SUMMARY

Power: Input 100-240 V AC, Output 5 V DC at 5 A

Interfaces / Ports: Screw terminals, M 3.5 x 7 screw size

Indicators: Power LED (Red indicator for readiness)

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: MELSEC-A Series backplanes, 1 slot unit

Limit: Overcurrent protection greater than or equal to 5.5 A

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the efficiency rating and the maximum apparent power consumption of the A1S61P module?

A: The efficiency is 65 percent or greater and maximum input apparent power is 105 VA.

Wiring & Installation:

Q: What is the specified overvoltage protection range for the 5 V DC output?

A: Overvoltage protection for the 5 V DC output is active between 5.5 and 6.5 V.

Troubleshooting & Compatibility:

Q: What safety measure must be observed when installing multiple power supply modules in a system?

A: Do not connect multiple power supply modules in parallel to prevent overheating and failure.

Replacement & Upgrades:

Q: What is the maximum duration for which the power supply can compensate for a power failure?

A: The maximum compensation time at power failure is 20 milliseconds.