Safety Instructions; General Safety Instructions - Siemens SIMATIC IPC477D Operating Instructions Manual

Safety instructions

2.1

General safety instructions

Life-threatening voltages are present with an open control cabinet
When you install the device in a control cabinet, some areas or components in the open
control cabinet may be carrying life-threatening voltages.
If you touch these areas or components, you may be killed by electric shock.
Switch off the power supply to the cabinet before opening it.
System expansions
NOTICE
Damage through system expansions
Device and system expansions may be faulty and can affect the entire machine or plant.
The installation of expansions can damage the device, machine or plant. Device and
system expansions may violate safety rules and regulations regarding radio interference
suppression. If you install or exchange system expansions and damage your device, the
warranty becomes void.
Note the following for system expansions:
• Only install system expansion devices designed for this device. Contact your technical
• Read the information on electromagnetic compatibility (Page 132).
NOTICE
"Open Type" UL508
Note that the built-in unit is classified as "Open Type" for use in the area of Industrial
Control Equipment (UL508). The installation of the built-in unit in an enclosure conforming
to UL508 is a mandatory requirement for approval and operation in accordance with UL508.
SIMATIC IPC477D, IPC477D PRO
Operating Instructions, 07/2015, A5E31347228-AD
WARNING
support team or where you purchased your PC to find out which system expansion
devices may safely be installed.
2
29