Some device specific or vendor specific functions and enhancements are supported. More...

Custom Function Codes

synchronized void	readHistoryLog (int slaveAddr, int channelNo, int resolution, short readArr[]) throws IOException, BusProtocolException
	Vendor Specific Modbus function 100 (64 hex), Read History Log.
Advantec ADAM 5000/6000 Series Commands

String	adamSendReceiveAsciiCmd (String commandStr) throws IOException, BusProtocolException
	Send/Receive ADAM 5000/6000 ASCII command.

Detailed Description

Some device specific or vendor specific functions and enhancements are supported.

Function Documentation

synchronized void readHistoryLog	(	int	slaveAddr,
		int	channelNo,
		int	resolution,
		short	readArr[]
	)			throws IOException, BusProtocolException `[inherited]`

Vendor Specific Modbus function 100 (64 hex), Read History Log.

Parameters:

	slaveAddr	Modbus address of slave device or unit identifier (Range: 1 - 255)
	channelNo	A/D channel Number (Range: 1 - 10)
	resolution	Resolution in minutes (Range: 1 - 60)
	readArr	Buffer with log data received. The length of the array determines how many data points are read (Range: 1 - 125).

Exceptions:

	IllegalStateException	Port or connection is closed
	IOException	An I/O error occured
	IllegalArgumentException	A parameter is out of range
	BusProtocolException	A protocol failure occured. See descendants of BusProtocolException for a more detailed failure list.

String adamSendReceiveAsciiCmd ( String commandStr ) throws IOException, BusProtocolException [inherited]

Send/Receive ADAM 5000/6000 ASCII command.

Sends an ADAM 5000/6000 ASCII command to the device and receives the reply as ASCII string. (e.g. "$01M" to retrieve the module name)

Parameters:

commandStr

Buffer which holds command string. Must not be longer than 255 characters. A possible trailing CR is removed.