Displaying Plc Properties; Displaying And Editing Nc/Plc Variables - Siemens SINUMERIK 840D Operating Manual

19.4

Displaying PLC properties

The following PLC properties can be displayed in the "SIMATIC LAD" window:
● Operating mode
● Name of the PLC project
● PLC system version
● Cycle time
● Machining time of the PLC user program
Procedure
19.5

Displaying and editing NC/PLC variables

The "NC/PLC Variables" window enables the monitoring and modification of NC system
variables and PLC variables.
You receive the following list in which you enter the desired NC and PLC variables in order
to display the actual values.
● Variable
● Comment
● Format
● Value
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
1. Select the "Start-up" operating area.
2. Press the "PLC" softkey.
The ladder diagram display opens and displays the PLC information.
3. Press the "Reset mach.time" softkey.
The data of the machining time is reset.
Address for NC/PLC variable.
Faulty variables have a red background and # is displayed in the Value column.
Arbitrary comment on the variables.
The column can be shown or hidden.
Specification of the format in which the variable is to be displayed.
The format can be permanently defined (e.g. floating-point).
Display of the current value of the NC/PLC variable.
Ladder Viewer and Ladder add-on (828D only)
19.4 Displaying PLC properties
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