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

16.4

Displaying PLC properties

The following PLC properties can be displayed in the "SIMATIC LAD" window:
● Operating state
● Name of the PLC project
● PLC system version
● Cycle time
● Machining time of the PLC user program
Procedure
16.5

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
Address for NC/PLC variable.
Faulty variables have a red background and # is displayed in the Value column.
● Comment
Arbitrary comment on the variables.
The column can be shown or hidden.
Universal
Operating Manual, 03/2013, 6FC5398-6AP40-3BA1
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.
Ladder Viewer and Ladder add-on (828D only)
16.4 Displaying PLC properties
323