tests/modbus/modbus_0@modbus/ModbusTCPclient_0@ModbusTCPclient/ModbusRequest_0@ModbusRequest/baseconfnode.xml
py_ext: better handling of coma separated OnChange attribute for python safe global variables.
<?xml version='1.0' encoding='utf-8'?>
<BaseParams xmlns:xsd="http://www.w3.org/2001/XMLSchema" IEC_Channel="0" Name="ModbusRequest_0"/>