Python基于OPC-UA的Push-pull消息传输案例。

最新推荐文章于 2025-06-30 09:05:12 发布

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最新推荐文章于 2025-06-30 09:05:12 发布 · 置顶 · 2.2k 阅读

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OPC UA Server侧Push代码

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import logging
import random
from opcua import ua, Server
if __name__ == "__main__":
    logging.basicConfig(level=logging.WARN)
    logger = logging.getLogger("opcua.server.internal_subscription")
    logger.setLevel(logging.DEBUG)#logging level of this logger: 10
    server = Server()
    server.set_endpoint("opc.tcp://127.0.0.1:4841/freeopcua/server/")
    # setup  namespace
    uri = "http://examples.io"# this can be any
    idx = server.register_namespace(uri) #register the uri name space in the server
    objs = server.get_objects_node()
    myobj = objs.add_object(idx, "OT_Object")    # populating our address space
    custom_etype = server.nodes.base_event_type.add_object_type(1, 'VALUE_MSG')
    server.start()
    try:
        import time
        count=0
        while True:
            time.sleep(3)
            value=random.randint(100,1000)
            print("Push Va