Service and diagnostics
18
18.1 NC/PLC variables
18.1.1 Displaying and editing PLC and NC variables
Changes can only be made to the NC/PLC variables with the appropriate password.
WARNING
Incorrect parameterization
Changes in the states of NC/PLC variables have a considerable influence on the machine.
Incorrect configuration of the parameters can endanger life and cause damage to the machine.
In the "NC/PLC Variables" window, enter the NC system variables and PLC variables that you
want to monitor or change in the list:
● Variable
Address for NC/PLC variable.
Incorrect variables have a red background and are displayed with a # character in the value
column.
● Comment
Any comment on the variable.
The columns can be displayed and hidden.
● Format
Specify the format in which the variable is to be displayed.
The format can be specified (e.g. floating point).
● Value
Displays the actual value of the NC/PLC variables.
PLC variables
Inputs
● Input bit (Ex), input byte (EBx), input word (EWx), input double word (EDx)
● Input bit (Ix), input byte (IBx), input word (IWx), input double word (IDx)
Outputs
● Output bit (Ax), output byte (ABx), output word (AWx), output double word
(ADx)
● Output bit (Qx), output byte (QBx), output word (QWx), output double
word (QDx)
Bit memory Memory bit (Mx), memory byte (MBx), memory word (MWx), memory double
word (MDx)
Times Time (Tx)
SINUMERIK Operate (IM9)
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1 405
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