Lenze DDS v2.1 - Handbuch (Seite 38)

Drive PLC Developer Studio
L
36 DDS DE/EN 2.1
Tip!
If the error message “Communication error: You will be logged out” appears while you try to log in the
automation system, it is not possible to build up the connection with the automation system.
• Check the PC connection ↔ Automation system through the system bus configuration tool.
• Check whether the automation system is ready for operation (e. g. 9300 Servo PLC)
• Check the communication parameters set for the project with
Online ➞ ➞ ➞ ➞ Communication parameter.
4.4.4 Start of program “Car park”
• Select Online ➞ ➞ ➞ ➞ Start, to start the park car program in the automation system or PC (if the
simulation mode is activated).
Tip!
If the mouse pointer is on a variable in online mode, the type and if available the comment of the
variable will be indicated.
Change of variable values in online mode
Change the variable values (”Write values”) in online and see the effects of the change in DDS
(”Monitoring”) to check the program functionality.
The following tables give more information on the variables used:
Input variables State Meaning
bPhotosensor1 FALSE
→
TRUE
Car drives in car park. ParkingLotsCounter is
increased by one to max. 10.
bPhotosensor2 FALSE
→
TRUE
Car leaves car park. ParkingLotsCounter is decreased
by one to min. 0.
bResetLots TRUE ParkingLotsCounter is reset to 0.
Output variables Status/value Meaning
ParkingLotsCounter
0...9 Free space in car park available.
Li ht B i i
TrafficLightGreen TRUE
ee space ca pa a a ab e
Lights on green. Barrier is open.
TrafficLightRed FALSE
ParkingLotsCounter
10 No more spaces available in car park.
Li ht d B i i l d
TrafficLightGreen FALSE
o o e spaces a a ab e ca pa
Lights on red. Barrier is closed.
TrafficLightRed TRUE
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