org.eclipse.scada.protocol.modbus.message

Class ErrorResponse

java.lang.Object

org.eclipse.scada.protocol.modbus.message.BaseMessage

org.eclipse.scada.protocol.modbus.message.ErrorResponse

public class ErrorResponse
extends BaseMessage

An error response to a request

Field Summary

Fields inherited from class org.eclipse.scada.protocol.modbus.message.BaseMessage

functionCode, transactionId, unitIdentifier

Constructor Summary

Constructors

Constructor and Description
ErrorResponse(int transactionId, byte unitIdentifier, byte functionCode, byte exceptionCode) Create a new error response

Method Summary

Modifier and Type	Method and Description
byte	getExceptionCode()
String	toString()

Methods inherited from class org.eclipse.scada.protocol.modbus.message.BaseMessage

getFunctionCode, getTransactionId, getUnitIdentifier

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ErrorResponse

public ErrorResponse(int transactionId,
                     byte unitIdentifier,
                     byte functionCode,
                     byte exceptionCode)

Create a new error response

Parameters:

transactionId - the request transaction id

unitIdentifier - the request unit id

functionCode - the original function code, no having the exception flag set

exceptionCode - the exception code. Also see Constants.

Method Detail

getExceptionCode

public byte getExceptionCode()

toString

public String toString()

Overrides:

toString in class Object