delphi6从入门到精通随书源码，虽然我有多年Delphi编程经验，从新做一遍这些DEMO，仍收获很多。-Delphi6 from entry to the source well versed with the book, although I have many years of Delphi programming experience, so again these new DEMO, still has learned a lot.

The Delphi Modbus library is a Modbus Class I Delphi implementation of a Modbus master and slave over TCP/IP (ModbusTCP).