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Power ON Circuitry
Electrical
Troubleshooting Guide
IRB6400 M94A
4.4. Power ONPower ON
4.1 Overview
This chapter describes the different circuits that become
'LIVE' when the main disconnect switch is turned ON.
It will go through both the AC Power Circuits and DC
Power Circuits. ABB robot product lines are designed
to run on several different voltage sources.
The Back Plane is used for easy access to the individual
circuits for testing.
Capacitors rated at 100 nanofarads are used throughout
the circuits to reduce noise.
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