The following machine data is representative for all variable types (INT, BOOL, AXIS, CHAR,
STRING): MD18660 $MN_MM_NUM_SYNACT_GUD_REAL[1].
Note
Display of NC/PLC variables
● System variables can be dependent on the channel. When the channel is switched over,
the values from the selected channel are displayed.
You have the option of having the variables displayed channel-specifically, e.g.
$R1:CHAN1 and $R1:CHAN2. The values of channel 1 and channel 2 are displayed, no
matter in which channel you are.
● For user variables (GUD), it is not necessary to make a specification according to global
or channel-specific GUD. The first element of a GUD array starts with index 0 as for NC
variables.
● Using the tooltip, you can display the OPI notation for NC system variables (except for
GUD).
Servo variables
Servo variables can only be selected and displayed at "Diagnostics" → "Trace".
Changing and deleting values
1. Select the "Diagnostics" operating area.
2. Press the "NC/PLC variables" softkey.
The "NC/PLC Variables" window opens.
3. Position the cursor in the "Variable" column and enter the required vari‐
able.
4. Press the <INPUT> key.
The operand is displayed with the value.
5. Press the "Details" softkey.
The "NC/PLC Variables: Details" window opens. The information for "Var‐
iable", "Comment" and "Value" is displayed in full length.
6. Position the cursor in the "Format" field and select the required format
with <SELECT>.
7. Press the "Display comments" softkey.
The "Comments" column is displayed. You have the option of creating
comments or editing existing comments.
Press the "Display comments" softkey once again to hide the column.
8. Press the "Change" softkey if you would like to edit the value.
The "Value" column can be edited.
Alarm, error, and system messages
15.6 PLC and NC variables
Milling
818 Operating Manual, 08/2018, 6FC5398-7CP41-0BA0
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