Installing the PowerCard
1. Execute the steps described in the section "Removing the PowerCard" in the reverse order.
2. When tightening the screws, make sure that you use the appropriate torque that is
permissible for each screw type.
Screw type
Torque
M6
6 Nm
M8
10 Nm
Final checks
1. Make sure that all the screws have been tightened with the correct torques.
2. Make sure that all the connections are secure.
NOTICE
Material damage if electrical connections are incorrectly established
Incorrectly connecting the auxiliary power supply and the fiber-optic cable connection to
the IGBT power semiconductors can result in disturbances when the drive is operational
and material damage to the device itself.
● Once you have replaced the PowerCard, make sure that the electrical connections
have been carefully and securely restored.
9.5.6
Replacing the Power Stack Adapter
Required tools
● Torx screwdriver Tx30
● 2.5 mm slotted screwdriver
Removing the Power Stack Adapter
1. Withdraw all fiber-optic cables
Ensure that the disconnection is made only directly on the connector and not on the fiber-
optic cable.
2. Withdraw all DRIVE-CLiQ cables directly at the connectors.
3. Use a slotted screwdriver to remove the connectors for the control cables.
Disconnect the connectors for the control cables from the terminal strip.
4. Remove the ground connection on the Power Stack Adapter chassis.
5. Use a Torx screwdriver to loosen the four fastening screws of the Power Stack Adapter. Do
not remove the screws.
Maintenance
9.5 Repair
SINAMICS SM150 6SL3810-7NN38-0AA1
162
Operating Instructions Rev.201910281406 EXAMPLE
