tests/modbus/modbus_0@modbus/ModbusTCPclient_0@ModbusTCPclient/ModbusRequest_0@ModbusRequest/confnode.xml
Runtime: STRING type for Python PLC Globals was making problem with strings, since generated code wasn't doing comparison properly.
<?xml version='1.0' encoding='utf-8'?>
<ModbusRequest xmlns:xsd="http://www.w3.org/2001/XMLSchema" Function="16 - Write Multiple Registers" SlaveID="0"/>