com.ergotech.vib.servers.modbus

Class ModbusDataBlock

java.lang.Object

com.ergotech.vib.servers.plc.PLCDataBlock

com.ergotech.vib.servers.modbus.ModbusDataBlock

public class ModbusDataBlock
extends PLCDataBlock

This subclass adds the destination address to the data block.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	cvsRev

Constructor Summary

Constructors

Constructor and Description
ModbusDataBlock(byte[] data, int responseLength, boolean isOffset) Create the block with the data and the destination address.

Method Summary

Modifier and Type	Method and Description
int	getResponseLength() Returns the length of the response or the offset of the length byte.
boolean	isOffset() Returns true if the response length is an offset into the message, or false if the length is an absolute length.

Methods inherited from class com.ergotech.vib.servers.plc.PLCDataBlock

equals, getData, getLength, getOffset, setData, setLength, setOffset

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

cvsRev

public static final java.lang.String cvsRev

See Also:

Constant Field Values

Constructor Detail

ModbusDataBlock

public ModbusDataBlock(byte[] data,
                       int responseLength,
                       boolean isOffset)

Create the block with the data and the destination address.

Method Detail

getResponseLength

public int getResponseLength()

Returns the length of the response or the offset of the length byte.

isOffset

public boolean isOffset()

Returns true if the response length is an offset into the message, or false if the length is an absolute length.