MVI46-PDPS ♦ SLC Platform
Diagnostics and Troubleshooting
Profibus DP Slave Communication Module
User Manual
ProSoft Technology, Inc.
Page 28 of 53
Use this command to display the configuration and statistics of the backplane data
transfer operations between the module and the processor. The information on this
screen can help determine if there are communication problems between the processor
and the module.
Tip: To determine the number of blocks transferred each second, mark the numbers displayed at a specific
time. Then some seconds later activate the command again. Subtract the previous numbers from the
current numbers and divide by the number of seconds passed between the two readings.
Viewing Module Configuration
Press
[C]
to view the
Module Configuration
screen. Use this command to display the
current module configuration and statistics.
Opening the Input Data View Menu
Press
[I]
to open the Input Data View Menu. Use this command to view the contents of
the input database.
Opening the Output Data View Menu
Press
[O]
to open the Output Data View Menu. Use this command to view the contents
of the input database.
Viewing Version Information
Press
[V]
to view version information for the module. Use this command to view the
current firmware version of the software (Software Revision Level) for the module, as
well as other important values. You may be asked to provide this information when
calling for technical support on the product.
Values at the bottom of the display are important in determining module operation. The
Program Scan Counter
value is incremented each time a module’s program cycle is
complete.
Tip: Repeat this command at one-second intervals to determine the frequency of program execution.
Viewing Module Status
Press
[1]
to view status information about the module. This screen also contains useful
information for mailbox troubleshooting:
Scan count
Mailbox counters
Alarm counters
Number of acyclic read and write operations performed by the module
You can also view the number of mailbox messages in the input and output queues, and
the number of alarms in the alarm queue.