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| Categories: | ET-87Pn-MTCP Documentation |
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What is Modbus/nModbus? |
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| What is Modbus protocol ? Modbus is a communication protocol developed by MODICON Inc. in 1979. It's a standard, truly open and the most widely used network communication protocol in industrial automation field. SCADA and HMI software can easily integrate serial devices together via Modbus protocol. |
| What is Modbus/TCP protocol ? Modbus/TCP protocol is a variant of Modbus protocol. It was developed in 1999 to allow Internet community access Ethernet devices. |
| What is nModbus ? nModbus is a C# 3.0 implementation of the Modbus protocol. It is developed and maintained on a voluntary basis and provided free of charge. ICP DAS verified and improved the DLL based on the official released NModbus_net-2.0_1.11.0.0-source.zip. Programmers can use the DLL released by ICP DAS to develop a Modbus application for regular Windows based PCs or WinCE based devices. The DLL features
Download the DLL and Demos
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| What software supports Modbus and Modbus/TCP protocol ? Most of SCADA ( Supervisor Control And Data Acquisition ) and HMI software support Modbus. For example: Citect, ICONICS, iFIX, InduSoft, Intouch, Entivity Studio, Entivity Live, Entivity VLC, Trace Mode, Wizcon, Wonderware... etc |
| What are the benefits of using Modbus and Modbus/TCP protocol ? 1. Openness, no license fees. 2. Widely supported by SCADA and HMI software 3. Easy to use 4. Easily integrate variant devices 5. Low development cost 6. Widely knowledge resource |
Modbus Resource ? http://www.modicon.comWeb page of original Modbus protocol inventor, MODICON Inc. http://www.modbus.org A community for Modbus users of Modbus users http://www.modbustools.com ActiveX component and test tools to communicate with equipments via Modbus (RTU/ASCII) or Modbus/TCP http://ftp.icpdas.com/pub/cd/8000cd/napdos/modbus/modbus_master_tool/ http://ftp.icpdas.com/pub/cd/winpac/napdos/wp-8x4x_ce50/system_disk/tools/modbus_master_tool/ ICP DAS provides a test tool of Modbus connection. |
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