Siemens SIMATIC IPC847D - 3.3 Connecting the device

Installing and connecting the device
3.3 Connecting the device
SIMATIC IPC847D
40 Operating Instructions, 01/2014, A5E32997454-AA
3.3
Connecting the device
3.3.1
Connection information
WARNING
Risk of fire and electric shock
The on/off button and on/off switch do not fully disconnect the device from the mains. If the
device is switched off with the on/off switch, there remains a risk of electric shock and fire
hazard, for example, if the device or connection cables are damaged or if the device is
used improperly.
Always fully disconnect the device from the mains voltage as follows before performing
work on the device or when the device will not be used over an extended period of time.
• If the device was not mounted in a control cabinet: Shut down the operating system and
pull the power plug on the rear of the device.
• If the device was mounted in a control cabinet: Shut down the operating system and
switch the AC circuit breaker to "Off".
• Properly connect the device to a protective conductor.
WARNING
Risk of lightning strikes
A lightning flash may enter the mains cables and data transmission cables and jump to a
person.
Death, serious injury and burns can be caused by lightning.
Take the following precautions:
• Pull out the power plug in good time when a thunderstorm is approaching.
• Do not touch mains cables and data transmission cables during a thunderstorm.
• Keep sufficient distance from electric cables, distributors, systems, etc.
Note
Ensure that the shockproof power outlet of the building installation is freely accessible and
as close as possible to the device, especially if the power plug is secured by a power plug
latch.