Electrical connection
6.7 External control voltage
Installation and Operating Instructions SINAMICS G180
104 Operating Instructions, 02/2019, 4BS0751-007
Switching over the hardware to an external 230 V AC control voltage
● Change the inverter from internal control voltage using the DC link to external control
voltage.
● Change over the white connector on the "switched-mode power supply" board from -X2
for "internal" to-X5 for "external".
Switching power supply with connector on
internal control voltage
Switching power supply with connector on
external control voltage
Preparations for accessing the "switching power supply" board
Preparing compact devices with size up to 165 mm
This instruction is applicable for compact devices up to a size of 165 mm with the identifier
2T..-07400-011 or 2T..-07500-015.
1. Unscrew the blue cover at the screw above -X25 and lift up the cover.
2. Turn the two screws of the grey cover underneath by 90° and lift up the cover.
3. Undo all screws for the right-hand side panel which are visible from outside and one
internal nut in the connection area. Lift off the side panel.
4. Replug the connector.
5. Reassemble in the inverse order.
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