Mitsubishi Electric CR800-D Series - Page 44

Startup and initial settings 42
The Oscillograph cannot be used when the communication method is set to High speed.
If you see the message "It can not communicate with the controller", please change so that the RT
ToolBox3 (MELFA_RT.exe) is allowed to receive in the Windows Firewall settings.
Check item or cause
1) Show the following screen by selecting
[Control panel] -> [System and Security] ->
[Windows Firewall] -> [Allow a program or feature
through Windows Firewall] (for Windows7).
2) Check if there is [RT ToolBox3] and
communication range of the use environment in
the [Allowed programs and features] list.
Solution
1) If [RT ToolBox3] is not in the [Allowed programs and features] list, click the [Allow another program]
button.
If the [Allow another program] button is disabled, click the [Change settings] button first.
2) Select and add [RT ToolBox3] on the [Add a program] screen.
3) Set the check boxes ON according to the use environment of [Home/Work (Private)] and [Public].
2) RT ToolBox3
1) Allow another program
3) Setting the Check boxes
RT ToolBox3