This documentation provides details on the configuration settings for OPC servers in the OPC_Connector.
The OPC Servers configuration settings for OPC_Connector:
{
"opc_servers": {
"PLC_OPC": {
"server_url": "opc.tcp://192.168.105.200:4840",
"timeout": 5,
"keepalive": true
},
"PLC1": {
"server_url": "opc.tcp://192.168.0.1:4840",
"timeout": 5,
"keepalive": true
},
"PLC2": {
"server_url": "opc.tcp://192.168.5.1:4840",
"timeout": 5,
"keepalive": true
},
"PLCSIM": {
"server_url": "opc.tcp://192.168.105.220:4840",
"timeout": 5,
"keepalive": true
}
}
All the three parameters (server_url
, timeout
, keepalive
) are required for each PLC.
server_url
- is the url of the opc server. It should be opc.tcp://<ip address>:<port>
. For example: opc.tcp://192.168.105.220:4840
timeout
- is the timeout parameter for opcua client (in seconds)
keepalive
- if true
, the connection will be established at the first write
or read
methods of OPCClient
The logger configuration settings for OPC_Connector:
{
"version": 1,
"enable": true, // enable or disable logging in general
"disable_existing_loggers": false,
"formatters": {
"standard": {
"format": "%(asctime)s.%(msecs)03d - %(levelname)s - %(message)s",
"datefmt": "%Y-%m-%d %H:%M:%S"
}
},
"handlers": {
"fileHandler": {
"class": "logging.FileHandler", // log into file
"level": "INFO", // level of logging more info
"formatter": "standard",
"filename": "OPC_Connector/opc.log", // file to log into
"mode": "a"
},
"consoleHandler": { // log into console
"class": "logging.StreamHandler",
"level": "INFO", // level of logging more info
"formatter": "standard"
}
},
"root": {
"handlers": ["fileHandler"], // select handlers to use for logging e.g., use ["fileHandler", "consoleHandler"] for both file and console logging
"level": "INFO" // level of logging more info
}
}
The logging library in Python provides extensive documentation on various settings and configurations for logging.