Obey to the following safety advices, when installing the S7-PCI315 PLC.
Electrical Shock Hazard
Hazardous Voltage inside of the PC or of the connecting device.
Therefore first disconnect the power plug of the PC or of the connecting device.
Make sure, that the power supply is off at the PC or at the connecting device.
Open the PC cabinet and install or remove the slot PLC card only after disconnecting power.
CAUTION!
Elektrostically sensitive Devices
To prevent damage to the PC and the S7-PCI315 PLC, make sure, that the S7-PCI315 PLC is grounded via the endplate and the PC and make sure, that you are discharged when you mount/demount the S7-PCI315 PLC.