Omron CVM1-CLK21, CS1W-RPT01, C200HW-CLK21 Status Area, Error Log, Or the message service function

Overview									Section 1-1
SEND/RECV		The SEND or RECV instruction sends or receives data in an area of a particu-
		lar node.
		The SEND instruction sends data from an area of the local node and writes to
		an area in the designated node.
		The RECV instruction requests the designated node to send area data and
		writes the data to the local node.
CMND		The CMND instruction issues a command to read or write data of other nodes,
		control, or read error logs. With the Controller LInk Unit, OMRON’s command
		protocol called “FINS commands” is used.
	Note Since the C200HX/HG/HE PLCs do not support the CMND instructions, arbi-
		trary commands cannot be issued.
RAS
		RAS performs real-time monitoring of the network status. If an error occurs in
		the network, RAS records and displays the time and contents of the error.
Status Area		Data Link Status Area
		When the data link function is used, the data link status is reflected in the data
		link status area of the PLC.
		Network Status Area Other than the Data Link:
		The network status such as the state of node participation is reflected in the
		status area of the PLC.
			Controller Link Unit			Controller Link Unit
					CPU Unit			CPU Unit
						Status Area
						• Data link status
						• Status other than the data link
Error Log		The error log function records contents (codes) and times of errors that occur
		in the network into the RAM or EEPROM, up to the maximum of 39 errors.
		The recorded errors can be read using the Controller Link Support Software
		or the message service function.
Controller Link Unit		Controller Link Unit		Controller Link Unit			Controller Link Unit
CJ-series			CS-series			C200HX/HG/			CVM1, CV-
CPU Unit			CPU Unit			HE CPU Unit			series CPU
									Unit
							Error log table

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