ModbusFrameCreator

Class Definition

ModbusFrameCreator gives static methods for creating frames deticated to Modbus protocole.

public class ModbusFrameCreator;

Methods

CreateFrame(int unitId, int functionId, params int[] dataForFunction)

Return type: byte[]

Create frame with given unit id of slave, function code, and data which is needed to givnen function.

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ReadingPDU(int startAddress, int range, int functionCode) 

Return type: byte[]

Create protocole data unit for reading functions of Modbus.

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SingleWritingPDU(int address, int value, int functionCode)

Return type: byte[]

Create protocole data unit for writing one value on specific address.

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MultipleWritingPDU(int startAddress, int range, int functionCode, int[] values)

Return type: byte[]

Create protocole data unit for writing multiple values with range, starting on specific address.

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CreateMBAPHeader(int unitId, int dataLength)

Return type: byte[]

Create Modbus TCP protocol header called MBAP.

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MakeModbusBytesConvention(int value)

Return type: byte[]

Correct reading bytes order in Modbus protocole.