Modbus Rtu And Modbus Tcp-Ip Protocol; Modbus Function Code Supported - Seneca Z-KEY User Manual

Modbus ethernet serial gateway and serial device server

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USER MANUAL – Z-KEY

8. Modbus RTU and Modbus TCP-IP protocol

The Modbus protocols supported by the Z-KEY are:

Modbus RTU Master

Modbus RTU Slave

Modbus TCP-IP Server

for more information about this protocols please refer to Modbus specification website:

http://www.modbus.org/specs.php

For using the USB Port you must install the USB driver first (see chapter 18)

The following Modbus functions are supported:

Read Coils (function 1)

Read Discrete Inputs (function 2)

Read Holding Register (function 3)

Read Input Registers (function 4)

Write Single Coil (function 5)

Write Single Register (function 6)

Write Multiple registers (function 16)

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