Siemens SIMATIC IPC347E, Руководство по эксплуатации

Страница: 32 / 148

Installing and connecting the device
3.3 Connecting the device
SIMATIC IPC347E
32
Operating Instructions, 09/2018, A5E41134132-AE
WARNING
Risk of electric shock when using a power connection without earth connection
Using a mains cable without proper earth connection can result in personal injury or even
death by electric shock. A mains cable is not included with IPC347E. Make sure the cable
you use provides a proper earth connection.
It is highly recommended that you use a mains cable from SIEMENS.
3.3.2 Connecting the function earth
A connected function earth discharges electrical charges from the metal enclosure.
The function earth also improves the discharge of interference generated by external power
cables, signal cables or cables for I/O modules to ground.
The connection for the function earth is labeled with the following symbol:
Note
The function earth cannot connect hazard live parts.
WARNING
Electric shock and risk of fire
High voltage might be present in a defective device, which can cause fire or an electric
shock if touched. Death and serious bodily injury can result.
•
Connect the device to the function earth before you put it into operation.
•
The function earth terminal on the device must be connected to the function earth of the
control cabinet or system in which the device is installed.
• Never operate the device without function earth.
•
If a device is defective, remove it from operation without delay and label it accordingly.
Requirement
● PH2 screwdriver