MVI94-GSC-E
♦
FLEX Platform
Diagnostics & Troubleshooting
Generic ASCII Comunication Module
User Manual
Page 24 of 60
ProSoft Technology, Inc.
July 6, 2009
3.2.3 U2
This LED indicates communication errors on the Modbus master port. The LED is
illuminated (amber) when no error exists on the port. If a communication error is
recognized on the port, the LED will turn off. If the LED is off, check for errors in
the command list to determine the error condition recognized by the module.
3.2.4 STS
This LED indicates the "health" of the module. When power is applied to the
module, the LED is illuminated. If the LED is green, the program is working
correctly and the user configuration is being used. If the LED is red, the program
is halted. Try restarting the module by cycling power.
3.2.5 PRT2
This LED indicates data transmit and receive activity on the GSC port. When the
TXD or RXD pin is active on the port, the LED will be green. When the port is not
active, the LED will be off.
3.2.6 The
Configuration/Debug
Menu
The Configuration and Debug menu for this module is arranged as a tree
structure, with the Main Menu at the top of the tree, and one or more sub-menus
for each menu command. The first menu you see when you connect to the
module is the Main menu.
Because this is a text-based menu system, you enter commands by typing the
command letter from your computer keyboard in the terminal application (for
example, HyperTerminal). The module does not respond to mouse movements
or clicks. The command executes as soon as you press the command letter —
you do not need to press
[Enter]
. When you type a command letter, a new
screen will be displayed in your terminal application.
Navigation
All of the sub-menus for this module contain commands to redisplay the menu or
return to the previous menu. You can always return from a sub-menu to the next
higher menu by pressing
[M]
on your keyboard.
The organization of the menu structure is represented in simplified form in the
following illustration:
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