Leuze BPS 8 - Interface Communication Errors

Diagnostics and troubleshooting
Leuze electronic BPS 8 114
TNT 35/7-24V
10.3 Error on the interface
Error Possible error causes 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 inter-
face
• 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 connection to
FE.
 Check max. network expansion as a func-
tion of the max. cable lengths.