#---------------------------------------------------------
Code: Alles auswählen
import win32com.client
import pythoncom
opc=win32com.client.Dispatch("Matrikon.OPC.Automation.1")
opc.Connect('Matrikon.OPC.Simulation.1')
groups=opc.OPCGroups
groups.DefaultGroupIsActive=True
groups.DefaultGroupDeadband=0
group=groups.Add("grupa")
group.UpdateRate=500
group.IsSubscribed=True
items=group.OPCItems
items.DefaultIsActive = True
item=items.AddItem("cifra",2)
Source=1
NumItems=1
ServerHandles=group.ServerHandle
Values=()
Errors=()
print group.SyncRead(Source,NumItems,ServerHandles,Values,Errors)
#SyncRead(Source As Integer, NumItems As Long, ServerHandles() As Long, ByRef Values() As Variant, ByRef Errors() As Long, Optional ByRef Qualities As Variant, Optional ByRef
opc.Disconnect()
Wegen print group.SyncRead(Source,NumItems,ServerHandles,Values,Errors) bekomme ich diese fehlermeldung:
Code: Alles auswählen
Traceback (most recent call last):
File "D:\programi\Python24\Lib\site-packages\pythonwin\pywin\framework\scriptutils.py", line 307, in RunScript
debugger.run(codeObject, __main__.__dict__, start_stepping=0)
File "D:\programi\Python24\Lib\site-packages\pythonwin\pywin\debugger\__init__.py", line 60, in run
_GetCurrentDebugger().run(cmd, globals,locals, start_stepping)
File "D:\programi\Python24\Lib\site-packages\pythonwin\pywin\debugger\debugger.py", line 595, in run
exec cmd in globals, locals
File "D:\matej fajli\programiranje\python\dll\makepy4.py", line 25, in ?
print group.SyncRead(Source,NumItems,ServerHandles,Values,Errors)
File "D:\Programi\Python24\lib\site-packages\win32com\gen_py\F8582D24-88FB-11D0-B850-00C0F0104305x0x1x0.py", line 297, in SyncRead
return self._ApplyTypes_(1610743828, 1, (24, 0), ((2, 1), (3, 1), (24579, 1), (24588, 2), (24579, 2), (16396, 18), (16396, 18)), 'SyncRead', None,Source, NumItems, ServerHandles, Values, Errors, Qualities, TimeStamps)
File "D:\programi\Python24\Lib\site-packages\win32com\client\__init__.py", line 446, in _ApplyTypes_
return self._get_good_object_(
TypeError: Objects for SAFEARRAYS must be sequences (of sequences), or a buffer object.Was habe ich falsch gemacht?
Edit (Leonidas): Code in Tags gesetzt.