The GUD from the machine data is only displayed in the Search window for the variable
selection when the associated definition file has been activated. Otherwise, the sought
variables must be entered manually, e.g. GUD/SYG_RM[1]
The following machine data is representative for all variable types (INT, BOOL, AXIS, CHAR,
STRING): MD18660 $MN_MM_NUM_SYNACT_GUD_REAL[1].
Note
● 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 variable displayed for a specific channel, e.g. $R1:CHAN1
and $R1:CHAN2. The values of channel 1 and channel 2 are displayed regardless of the
channel you are in.
● 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.
- OR -
1. Select the "Startup" operating area.
2. Press the "PLC" and "NC/PLC variab." softkeys.
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.
Service and diagnostics
18.1 NC/PLC variables
SINUMERIK Operate (IM9)
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1 407
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