Interface IModbusMessage

A message built by the master (client) that initiates a Modbus transaction.

Namespace: NModbus
Assembly: NModbus.dll
Syntax
public interface IModbusMessage

Properties

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FunctionCode

The function code tells the server what kind of action to perform.

Declaration
byte FunctionCode { get; set; }
Property Value
Type Description
System.Byte
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MessageFrame

Composition of the slave address and protocol data unit.

Declaration
byte[] MessageFrame { get; }
Property Value
Type Description
System.Byte[]
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ProtocolDataUnit

Composition of the function code and message data.

Declaration
byte[] ProtocolDataUnit { get; }
Property Value
Type Description
System.Byte[]
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SlaveAddress

Address of the slave (server).

Declaration
byte SlaveAddress { get; set; }
Property Value
Type Description
System.Byte
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TransactionId

A unique identifier assigned to a message when using the IP protocol.

Declaration
ushort TransactionId { get; set; }
Property Value
Type Description
System.UInt16

Methods

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Initialize(Byte[])

Initializes a modbus message from the specified message frame.

Declaration
void Initialize(byte[] frame)
Parameters
Type Name Description
System.Byte[] frame

Bytes of Modbus frame.