Diagnostics and troubleshooting
Leuze electronic GmbH + Co. KG
BPS 8
86
10.3 Error on the interface
Error
Possible error cause
Measures
No communication
via RS 232/RS 485
• Incorrect wiring.
• Different baud rates.
• Different protocol settings.
Check wiring.
Check baud rate.
Check protocol settings.
Sporadic errors on
the RS 232/RS 485
interface
• Incorrect wiring.
• Effects due to EMC.
• Overall network expansion
exceeded.
Check wiring, in particular the shield of
the wiring.
Check the cable used.
Check shielding (shield covering in
place up to the clamping point).
Check grounding concept and connec
-
tion to FE.
Check max. network expansion as a
function of the max. cable lengths.