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Mounting hardware
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5 Mounting hardware
5.1 Safety notes
• Observe the country-specific installation, safety, and accident prevention regulations.
NOTE: Electrostatic discharge
Electrostatic discharge can damage or destroy components. When handling the de -
vice, observe the necessary safety precautions against electrostatic discharge (ESD)
in accordance with EN 61340-5-1 and IEC 61340-5-1.
WARNING: Loss of electrical safety when using unsuitable power supplies
The controller is designed exclusively for operation with protective extra-low voltage
(PELV) in accordance with EN 60204-1. Only protective extra-low voltages in accor -
dance with the listed standard may be used for the supply.
The following applies for a PROFINET network and the I/O devices used in it:
• Only use power supplies that meet EN 61204-1 and feature safe isolation and
PELV in accordance with EN 61010 - 2 - 201. They prevent short circuits between
the primary and secondary side.
• Only use power supplies without a fall-back characteristic curve.
WARNING: Unintentional machine startup
If you mount the controller while the power is connected, this could result in uninten -
tional machine startup and possibly cause personal injuries.
• Disconnect the power to the controller before mounting it.
• Ensure the power to the controller cannot be switched on again.
• Make sure the entire system is reassembled before switching the power back on.
• Before starting the system, ensure that the device or system does not present any
danger.
NOTE: Property damage due to incorrect use
The IP20 degree of protection (IEC 60529/EN 60529) requires that the device be
used in a clean and dry environment. Using the device in an environment that is out -
side of the specified limits may cause damage to the device.
• Do not subject the device to mechanical and/or thermal stress that exceeds the
specified limits.
• Mount the device in housing or a control cabinet (IP54 degree of protection or high -
er).
Observe the PROFINET Assembling Guideline
• When mounting the controller, observe the PROFINET Assembling Guideline.
• Observe the information in the PROFINET Assembling Guideline and in the “Func -
tional Earthing and Shielding PROFIBUS and PROFINET” document for the
grounding concept in particular.
• You can download both documents at www.profinet.com .
Alternatively, you can obtain the documents from Phoenix Contact. To do this,
please contact Phoenix Contact.