1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>

     2 <Python xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.w3.org/2001/XMLSchema" xsi:schemaLocation="py_ext_xsd.xsd">

     3 <![CDATA[import threading, time

     4 

     5 MyT = None

     6 Stop = False

     7 

     8 def StartLog():

     9     global MyT

    10     MyT=threading.Thread(target = DoLog)

    11     MyT.start()

    12 

    13 def DoLog():

    14     global Stop

    15     while not Stop:

    16         PLCObject.LogMessage("Python side Logging (PLC is %s)"%PLCObject.PLCStatus)

    17         time.sleep(0.3)

    18 

    19 def StopLog():

    20     global MyT,Stop

    21     Stop=True

    22 

    23 _runtime_init.append(StartLog)

    24 _runtime_cleanup.append(StopLog)

    25 ]]>

    26 </Python>