openopc

openopc copied to clipboard

Timestamp

2

Hi, OpenOPC "read" results with timestamp which does not match with local time. How to set local timezone in OpenOPC?

zplorer52

Uncoming changes on DCOM can affect OPC communication

1

Are you aware of this future Windows Update? _On June 8, 2021, Microsoft released a security update that changed how the Windows operating system enforces DCOM security. This Windows update...

ldariva

ProtocolError: invalid data or unsupported protocol version

15

I'm trying to connect to the Matrikon OPC Simulation server which is running on the same system. my code: ``` import OpenOPC OpenOPC.open_client('localhost') ``` The error: `ProtocolError: invalid data or...

vantaka2

Starting zzzOpenOPCService error

15

Hello, I am trying to start zzzOpenOPCService by running OpenOPCService.py but I am still getting error "The service did not respond to the start or control request in a timely...

rehakmatej

It was using the Python 2` _winreg` module, not `winreg`, leading to it always returning `None`

ottowayi

opc.read() line killing and restating the kernel

3

I got stuck up with small issue while using openOPC. I have installed python 3.8.3 on windows 10 64 bit system. Installed OpenOPC-Python3x through pip install. Running Matrikon OPC simulation...

kranthiakssy

Error: Failed to import [...] due to exception: Non-ASCII character '\xc3' in file /lambda/OpenOPC.py on line 7, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details (OpenOPC.py, line 7) the é...

emcfins

OpenOPC.client() fails with "OPCError: Dispatch: Invalid class string"

3

Please correct my misunderstanding if I am wrong. The README.TXT leads me to believe that this version of OpenOPC is an updated version of the package that was originally described...

bwllc

Hi there, I've been reading OPC documentation for a few days. I hope that I'm familiar enough with OPC to ask the right questions. I have a Python application to...

bwllc

Error occured when start openopcservice, which was complied to EXE by pyinstaller

1

I used CMD to run "python zzzopenopcservice.py install" and then start the service, it works well on NON-DCOM mode. When I complied it to EXE by pyinstaller. it can be...

Ansonmo