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It is implemented as a VCL and CLX class library. The VCL/CLX classes wrap around a libmbusmaster DLL which performs the core protocol functions. The libmbusmaster DLL is based on the FieldTalk Modbus Master Protocol C++ Edition, a proven and industrial-strength Modbus implementation.
Typical applications are supervisory control systems, data concentrators and gateways, user interfaces and factory information systems.
The class TMbusAsciiMasterProtocol implements the Modbus ASCII protocol, the class TMbusRtuMasterProtocol implements the Modbus RTU protocol and the class TMbusTcpMasterProtocol implements the MODBUS/TCP protocol.
In order to use one of the three master protocols, the desired protocol flavour class has to be instantiated:
After a protocol object has been declared and opened, data and control functions can be used:
mbusProtocol.writeSingleRegister(slaveId, startRef, 1234);
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