Lenze PROFIBU PC-based Automation - Manual (Page 62)

Control technology | PROFIBUS communication manual
Diagnostics
Diagnostics in the »PLC Designer«
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DMS 2.2 EN 07/2011 TD17
10 Diagnostics
PROFIBUS can be diagnosed in the »PLC Designer« by means of specific diagnostics
function blocks.
Moreover, the field devices, PROFIBUS communication modules, and the MC-PBM
communication card are provided with LED status displays for diagnostics.
10.1 Diagnostics in the »PLC Designer«
For the diagnostics of PROFIBUS in the »PLC Designer«, the BusDiag.lib function library
( 39)
provides two function blocks:
DiagGetBusState function block
( 39)
:
– Shows the current bus status.
DiagGetState function block
( 41)
– If a station available on the bus reports an error, its specific diagnostics information
can be read.
10.2 Error messages if communication card MC-PBM is not available
If no communication card MC-PBM has been inserted into the industrial PC, error messages
occur during the download of the »PLC Designer« project.
Remedy: Insert the communication card MC-PBM into the industrial PC.