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trying to access a node on a PLC but fail
25 May 2023 10:52 #11764
by Pala
trying to access a node on a PLC but fail was created by Pala
we are trying to access a node on a PLC but fail
in attachment the screenshot with the node and its information
we are trying to access it with this call:
$Client = new COM("OpcLabs.EasyOpc.UA.EasyUAClient");
$value = $Client->ReadValue(
'opc.tcp://192.168.0.126:4840/ServerInterfaces/[Interfaccia server_1]',
'nsu=http://interfaccia%20server_1 ;ns=4;i=498'
);
printf("Value: %s<br>", $value);
################################
but we have this error:
OPC UA service result - Error establishing a connection: BadNotConnected. Error establishing a connection: BadNotConnected
in attachment the screenshot with the node and its information
we are trying to access it with this call:
$Client = new COM("OpcLabs.EasyOpc.UA.EasyUAClient");
$value = $Client->ReadValue(
'opc.tcp://192.168.0.126:4840/ServerInterfaces/[Interfaccia server_1]',
'nsu=http://interfaccia%20server_1 ;ns=4;i=498'
);
printf("Value: %s<br>", $value);
################################
but we have this error:
OPC UA service result - Error establishing a connection: BadNotConnected. Error establishing a connection: BadNotConnected
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