Siemens 6ED1050-1AA00-0BE8 User Manual

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LOGO! 
Manual, 04/2011, A5E03556174-01 
29
 
LOGO! installation and wiring 
2
 
General guidelines 
Please note the following guidelines for installing and wiring your LOGO!: 
●  Always ensure that the wiring of your LOGO! is compliant with current rules and 
standards. Also, conform with all national and regional regulations when you install and 
operate the devices. For information on standards and regulations that apply to your 
specific case, contact your local authorities. 
●  Always switch off power before you wire or install/remove a module. 
●  Always use cables with appropriate conductor cross-sections for the relevant current. You 
2
 to 2.5 mm
2
●  Do not exceed the screw torque of the terminals. The maximum torque is: 0.5 Nm. 
●  Keep the cabling as short as possible. If longer cables are necessary, you should use 
shielded versions. You should always route your cables in pairs: i.e. one neutral 
conductor plus one phase conductor or signal line. 
●  Always keep separate: 
–  The AC wiring 
–  High-voltage DC circuits with high-frequency switching cycles 
–  Low-voltage signal wiring 
–  The EIB bus cable may also be laid in parallel to other signal lines 
●  Ensure that the wires are installed with appropriate strain relief. 
●  Provide a suitable lightning surge arrester for cables installed in hazardous areas. 
●  Do not connect an external power supply in parallel to the output load of a DC output. 
This could develop a reverse current at the output if you have not installed a diode or 
similar barrier device. 
●  Reliable functioning of the equipment is only ensured with certified components! 
 
 
Note 
LOGO! devices may only be installed and wired by skilled personnel who are familiar with 
and follow general engineering rules and relevant regulations and standards.