opcua-with-python/snippets/test2.py

import asyncio
from asyncua import Client



async def test():
    client = Client(url='opc.tcp://172.16.3.60:4840', timeout=10.0)
    # await client.set_security_string('')
    async with client:
        node = client.get_node('ns=0;i=345')
        value = await node.read_value()
        displayName = (await node.read_display_name()).Text
        print(dir(node))
        print(f"{displayName=} = {value=}")
        print(f"X1: {await node.read_data_value()}")
        print(f"X2: {(await node.read_data_value()).Value.Value}")
        print(f"X3: {dir((await node.read_data_value()).StatusCode)}")
        print(f"X3: {(await node.read_data_value()).StatusCode.name}")
        print(f"X4: {(await node.read_data_value()).SourceTimestamp}")
        print(f"X4: {(await node.read_data_value()).ServerTimestamp}")

asyncio.run(test())