Vector SIMOVERT MASTERDRIVES 6SE70 VC Instrukcje Operacyjne Strona 149

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Vector Control Chassis Type Frequency Converter Maintenance
SIEMENS AG 476 869 4070 76 J AB-74
SIMOVERT MASTERDRIVES Operating Instructions 12-9
Unscrew the two screws of the electronics slide-in unit and pull it out
to its endstops.
Disconnect the ground cable of the electronics slide-in unit.
Remove all boards from the electronics box and place them on a
suitable surface which cannot be statically charged.
Unscrew the two fixing screws of the electronics box.
Push the electronics box out of its interlock and take it out towards
the front.
Pull out the ABO Adaption Board.
Disconnect the fiber-optic cables.
Unscrew the IVI board and take it out.
Install the new IVI in the reverse sequence.
12.14 Replacing the VDU and the VDU resistor
VDU: Voltage-Dividing Unit
The VDU and the VDU resistor are only found on converters with higher
supply voltages. The VDU bracket is an integral component of the
electronics slide-in unit.
Detach the plug-in connections.
Undo the fixing screw
Take out the VDU.
Install the new VDU in the reverse sequence.
Unscrew the cable fasteners.
Detach the plug-in connections.
Take out the VDU resistor.
Install the new VDU resistor in the reverse sequence.
12.15 Replacing the PSU
PSU: Power Supply Unit
Withdraw connectors X18, X258 and X70.
Remove the Torx screw with ground connection from the side panel.
Push the PSU out of its locking pins and take it out sideways and
frontwards under the input bus.
Install the new PSU in the reverse sequence.
Construction type K
VDU
VDU resistor
Construction types
E to G
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