Viewing module configuration, Opening the database menu, Opening the command error list menu – ProSoft Technology MVI71-MCM User Manual
Page 39: Opening the command list menu, Viewing the slave status list (port 1 and 2), Viewing version information

Diagnostics and Troubleshooting
MVI71-MCM ♦ PLC Platform
Modbus Communication Module
ProSoft Technology, Inc.
Page 39 of 111
December 28, 2007
Viewing Module Configuration
Press [C] to view the Module Configuration screen.
Use this command to display the current configuration and statistics for the
module.
Opening the Database Menu
Press [D] to open the Database View menu. Use this menu command to view the
current contents of the module's database.
Opening the Command Error List Menu
Press [I] to open the 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 (Port 1 and 2)
Press [O] (port 1) or [P] (port 2) to view the 256 slave status values associated
with the ports. 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.
Viewing Version Information
Press [V] to view Version information for the module.
Use this command to view the current version of the software 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.