View Modbus registers from Modbus Slaves using the Modbus RTU serial port and TCP/IP network protocols with this Modbus Master. The functions 0x01 Read Coils, 0x02 Discrete Inputs, 0x03 Holding Registers, 0x04 Input Registers and 0x07 Exception Status are predefined. However, you can send any function code.
Medford is a Modbus Master to read and write registers in a Modbus Slave.
The values are shown in decimal, hexadecimal, float and binary. Further, a graph and a colored percentage are shown.
Write a new decimal, hexadecimal or float value by double-clicking on the value.
If the device supports the 43 / 14 (0x2B / 0x0E) Read Device Identification command, the vendor / name / revision is shown.
Graph
The Modbus Master shows each value in a graph. So you can see the history from each register. Further, you can set an Alias for each register by a double click on the Alias column.
RTU & TCP/IP
Modbus RTU (RS485) serial port (use any USB-to-RS485 Converter) and Modbus TCP/IP network protocol are supported.
Auto Detect
Press the magnifying glass to search / discover all devices and their Modbus address. All found devices are shown in a dialog.
New: Signed value support added 
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Do you have questions? Check the FAQ.
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Install using package managers:
winget install --id the-sz.Medford -e --forcecontent_copychoco install medford.portable -y --ignore-checksumcontent_copy
Supported Languages:
English German GreekSupported Operating Systems:
Windows 11
Windows 10
Windows 8
Windows 7
Windows Vista
Windows XP
Windows Server
Screenshot:
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