Operating instructions

Vector Control Chassis Type Frequency Converter Maintenance
SIEMENS AG 476 869 4070 76 J AB-74
SIMOVERT MASTERDRIVES Operating Instructions 12-13
12.20 Replacing the PMU
♦
Remove the ground cable on the side panel.
♦
Carefully press the snap catches on the adapter section together,
remove the PMU with adapter section from the electronics box.
♦
Withdraw connector X108 on the CUx board.
♦
Carefully lift forward the PMU out of the adapter section using a
screwdriver.
♦
Install the new PMU in the reverse sequence.
E-box
Snap catches
PMU
Adapter section
Fig. 12-7 PMU with adapter section on the electronics box