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Modbus Slave Driver

The Modbus Slave driver receives and processes Modbus commands sent from external Modbus drivers.

The Modbus Slave driver supports these variants of the Modbus protocol:

ProtocolDescription
Modbus RTU8 bit serial binary protocol
Modbus ASCII7 bit serial ASCII protocol
Modbus TCPTCP/IP protocol

The Modbus Slave driver supports these Modbus commands:

CommandDescription
01Read coil status
02Read input status
03Read holding registers
04Read input registers
05Force single coil
06Preset single register
08Diagnostics
11Read comm event counter
15Force multiple coils
16Preset multiple registers
17Report Slave ID

For further information about the driver see Modbus Slave Driver Reference in the online documentation.

For general information about Modbus see the Modbus Protocol in the online documentation.