3BDS009029R5001 B 93
Section 4 Commissioning of PROFIBUS
equipment
For commissioning tasks you should also be familiar with all other sections. There
are some additional hints about general limitations, cable lengths and laying
regulations, bus terminations and spur lines. This must be observed in the planning
phase and also during the commissioning phase.
Installation of data cables
Installation hints for electrical data cables
The following hints will help you to avoid damage when installing data cables:
• Protect data cables during storage and transportation (shrink cap)
• Observe minimum and maximum ambient conditions
• Install data cables separately (separate cable duct)
• Protect data cables against potential mechanical damage
• Install redundant data cables in separate cable routes
• Do not exceed the maximum tensile strength
• Fit strain relief devices where necessary
• Avoid exceed stress from pressure
• Avoid exceed torsional stress
• Do not undercut the minimum bending radius
When connecting the devices, make sure that the data lines are not distorted or
confounded. Data cables can only take a certain amount of stress.
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