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Connecting The Device; Notes On Connecting - Siemens SIMATIC IPC277D Operating Instructions Manual

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Installing and connecting the device

3.3 Connecting the device

3.3
Connecting the device
3.3.1

Notes on connecting

Risk of fire and electric shock
The on/off switch does not isolate the device from the power supply. Risk of electric shock if
the device is opened incorrectly or defective. There is also a risk of fire if the device or
connecting lines are damaged.
You should therefore protect the device as follows:
• Always pull out the power plug when you are not using the device or if the device is
• Connect the device to a protective conductor as instructed (see "Connecting the
• Use a central isolating switch in the case of cabinet installation.
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:
• Disconnect the device from the power supply in good time when a thunderstorm is
• Do not touch mains cables and data transmission cables during a thunderstorm.
• Keep a sufficient distance from electric cables, distributors, systems, etc.
NOTICE
Fault caused by I/O devices
The connection of I/O devices can cause faults in the device.
The result may be personal injury and damage to the machine or plant.
Note the following when connecting I/O devices:
• Read the documentation of the I/O devices. Follow all instructions in the documentation.
• Only connect I/O devices which are approved for industrial applications in accordance
• I/O devices that are not hotplug-capable may only be connected after the device has
42
WARNING
defective. The power plug must be freely accessible.
protective conductor").
WARNING
approaching.
with EN 61000-6-2 and IEC 61000-6-2.
been disconnected from the power supply.
Operating Instructions, 12/2016, A5E03409486-AE
SIMATIC IPC277D

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