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10 | Replacement
STOBER
84
05/2019 | ID 442793.01
10
Replacement
The following chapters describe the replacement of a drive controller and the available accessories.
10.1
Safety instructions for device replacement
.
When the power supply voltage is turned on, hazardous voltages may be present on the connection terminals and the
cables connected to them.
The device is not reliably de-energized simply because the voltage supply is switched off and all displays are blank!
Information
Note that the you can only determine that voltage is no longer present once the discharge time has elapsed. The discharge
time depends on the self-discharge of the drive controller. You can find the discharge time in the general technical data of
the drive controller.
Protect the devices against falling parts (bits or strands of wire, pieces of metal, etc.) during installation or other work in the
control cabinet. Parts with conductive properties may result in a short circuit inside the devices and device failure as a
result.
Opening the housing, plugging in or unplugging connection terminals, connecting or removing connecting wiring, and
installing or removing accessories are prohibited while the voltage supply is switched on.
If you couple the drive controller in the DC link, make sure that all Quick DC-Link modules are built over with a drive
controller again after replacement.
The device housing must be closed before you turn on the supply voltage.
10.2
Replacing the drive controller
DANGER!
Electrical voltage! Risk of fatal injury due to electric shock!
▪
Always switch off all power supply voltage before working on the devices!
▪
Note the discharge time of the DC link capacitors in the general technical data. You can only determine the absence
of voltage after this time period.
ATTENTION!
Loss of absolute position!
The absolute position in the encoder is lost if the encoder cable is disconnected from the AES battery module.
▪
Do not disconnect the encoder cable from the AES during service work! Disconnect the AES from the drive controller.
Information
Note that the SD card from the drive controller being replaced can be re-used only for drive controllers of the same series.