SIMATIC IPC MD-57A
Operating Instructions, 09/2023, A5E52775302-AA
63
Expanding and assigning parameters to the device
7.1 Opening the device and switching off the power
Risk due to unauthorized opening and improper repairs or expansions
Improper intervention in the device endangers operational reliability and may damage the
device. The results can be personal injuries and damage to the plant.
If you install or exchange system expansions and damage your device, the warranty
becomes void.
• For this reason, please observe the information in "Notes on device and system
Risk due to electric shock
After switching off, the device is not de-energized:
• The mains voltage from the power supply is present outside the device.
• The voltage from the battery is present inside the device. When installing and removing
electronic components, incorrect voltages and short-
circuits can occur which damage the
device.
Take the following precautions:
• Switch off the device completely and de-energize the interior of the device.
• Pull out the power plug of the power supply before you open the device.
• After opening, disconnect the battery connector from the motherboard.
Close the device after every intervention.
Electrostatic sensitive devices (ESD)
The device contains electronic components which may be destroyed by electrostatic charge.
This can result in malfunctions and damage to the machine or plant.
Take corresponding precautionary measures before you open the device.
Requirements
• The device is completely switched off, see "Switching the device on and off (Page 59)".
• All connecting cables are unplugged.
• Screwdriver of type Torx T8
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