Welcome to the home of WinModbus, the best Windows modbus simulators around.

• Get up and running in seconds. Simple and intuitive.
• Descriptions and field-by-field breakdowns of each message.
• Build your address map quickly, directly from messages or polls.
• Read/Write modbus data from Excel, etc. via DDE.
• Designed from years of modbus experience.

Support for Windows Vista/7/8/10/11.

Buy the slave and master simulators individually or get them both together for a reduced price. (If you already have one and wish to purchase the other, let us know and we can offer you a reduced price)

Winmodbus is for life. Both apps come with free upgrades to all future versions.

Choose a simulator from the menu bar above to see the full product page or click Buy to see prices and make a purchase.

News: 23/09/2022 - Winmodbus Master new version released.