PSRmodular system
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PHOENIX CONTACT 109241_en_03
2.2 Installation
2.2.1 Safety notes
Qualified personnel Assembly, removal, and electrical installation of the PSRmodular system may only be per-
formed by qualified personnel. See “Qualified personnel” on page 12.
2.2.2 Mounting location
• Mount the module in a control cabinet or junction box protected from dust and humidity
(IP54 or higher).
• Secure the control cabinet/junction box to prevent unauthorized opening.
WARNING: Serious personal injury or damage to equipment
Disregarding this warning may result in damage to equipment and/or serious personal in-
jury.
WARNING: Hazardous voltage
Make sure that the power to the system is disconnected before carrying out mounting, re-
moval, and electrical installation work as this could cause hazardous electric shocks.
• Only perform the mounting, removal, and electrical installation of the safety modules
and safe extension modules when the power supply is disconnected.
• Prior to installation work, disconnect the power to the entire system and make sure
that it cannot be switched on again unintentionally.
• Make sure all work is completed before switching the power back on and that the sys-
tem does not pose a hazard.
WARNING: Unintentional machine startup
If the power to the system is not disconnected before mounting, removal, and electrical
installation work is carried out, the machine could start up unintentionally.
• Only perform the mounting, removal, and electrical installation of the safety modules
and safe extension modules when the power supply is disconnected.
• Prior to installation work, disconnect the power to the entire system and make sure
that it cannot be switched on again unintentionally.
• Make sure all work is completed before switching the power back on and that the sys-
tem does not pose a hazard.
NOTE: Electrostatic discharge
The modules contain components that can be damaged or destroyed by electrostatic dis-
charge. When handling the modules, observe the necessary safety precautions against
electrostatic discharge (ESD) in accordance with EN 61340-5-1 and IEC 61340-5-1.
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