ProSoft Technology MVI94-MCM-MHI - Manual (Page 49)

MVI94-MCM ♦ Flex I/O Platform Diagnostics and Troubleshooting
Serial Communications Modbus Communication Module User Manual
ProSoft Technology, Inc. Page 49 of 109
March 29, 2011
Viewing Block Transfer Statistics
Press [B]
from the Main menu to view the Block Transfer Statistics screen.
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 quantity of seconds passed between the two
readings.
Viewing Modbus Configuration
Press [C] to view the module name and the configuration of the internal Modbus
database.
Opening the Database View Menu
Press [D] to open the Database View menu.
Use this menu command to view the current contents of the module’s database.
For more information about this submenu, see Database View Menu (page 57).
Opening the Client Command Error List Menu
Press [E]
to open the Client Command Error List. This list consists of multiple
pages of command list error/status data. Press [?] to view a list of commands
available on this menu.
Opening the Command List Menu
Press [L]
to open the Command List menu. Use this command to view the
configured command list for the module.
Viewing the Slave Status List
Press [O] to view the 256 slave status values associated with the port. The slave
status values are defined as follows:
0 = slave is not used,
1 = slave being actively polled,
2 = slave suspended and
3 = slave disabled.