Siemens SINUMERIK 840DE sl Commissioning Manual page 419
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Also See for SINUMERIK 840DE sl:
- Function manual (356 pages) ,
- Commissioning manual (184 pages) ,
- Manual (92 pages)
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Service and diagnostics
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.
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
Outputs
Bit memory
Times
SINUMERIK Operate (IM9)
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
WARNING
● 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)
● 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)
Memory bit (Mx), memory byte (MBx), memory word (MWx), memory double
word (MDx)
Time (Tx)
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