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Short circuit PL A/B to L
The PLB has detected a short circuit between the Powerline rail "A" and/or "B" and a line
conductor.
A voltage that is dangerous to the touch is present on all Powerline rails and all cables and
plant units connected to them.
Measure: Shut down plant!
Undervoltage on PL
This warning indicates that no voltage was detected on the Powerline rail. This is normal for
sections or areas without communication because they are not supplied with 42 V. Possible
causes of error for supplied Powerline rails: Failure of the PLB supply voltage or the PLB is
not connected to both sliders due to a cable break.
Power Line Booster
Operating Instructions, 11/2019, A5E36203125A-AG
WARNING
System configuration and system status (web interface)
6.2 Information
83
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