Omron CS1W-ETN21 Auxiliary Area Data, Area of PLC memory that are related to the Ethernet Unit

Auxiliary Area DataSection 4-3

4-3	Auxiliary Area Data
		The following table and descriptions cover the words and bits in the Auxiliary
		Area of PLC memory that are related to the Ethernet Unit.
Read-only Bits/Words
Word(s)	Bit(s)	Name	Function	Settings
A202	A20200 to	Communications	Bits A20200 to A20207 turn ON when a network	0: Network communi-
	A20207	Port Enabled Flags	instruction (SEND, RECV, CMND, or PMCR) can be	cations running
			executed with the corresponding port number. Bits	1: No network com-
			00 to 07 correspond to communications ports 0 to 7.
				munications running
A203 to	---	Communications	These words contain the completion codes for the	0000: No error
A210		Port Completion	corresponding port numbers when network	Not 0000: Error code
		Codes	instructions (SEND, RECV, CMND, or PMCR) have
			been executed. Words A203 to A210 correspond to
			communications ports 0 to 7.
A219	A21900 to	Communications	Bits A21900 to A21907 turn ON when an error	0: Normal end
	A21907	Port Error Flags	occurred during execution of a network instruction	1: Error end
			(SEND, RECV, CMND, or PMCR). Bits 00 to 07
			correspond to communications ports 0 to 7.
A302	A30200 to	CPU Bus Unit	Bits A30200 through A30215 turn ON while the	0: Not initializing
	A30215	Initializing Flags	corresponding CPU Bus Units (Units #0 through	1: Initializing (System
			#15, respectively) are initializing. The bits will turn
				will automatically turn
			ON either when power is turned ON or when a CPU
				the flag OFF when ini-
			Bus Unit Restart Bit (A50100 to A50115) is turned	tialization has been
			ON.
				completed.)
A402	A40203	CPU Bus Unit Set-	Bit A40203 is turned ON when the CPU Bus Units	0: No setting error
		ting Error Flag	actually installed differ from the Units registered in	1: Setting error
		(Non-fatal error)	the I/O tables. The ERR/ALM indicator on the front
			of the CPU Unit will flash, but CPU operation will
			continue.
			The unit number of the CPU Bus Unit involved is
			stored in word A427.
	A40207	CPU Bus Unit Error	Bit A40207 is turned ON when an error occurs	0: No unit number
		Flag	during the transmission of data between the CPU	error
		(Non-fatal error)	and CPU Bus Units. The ERR/ALM indicator on the	1: Unit number error
			front of the CPU Unit will flash, but CPU operation
			will continue. The Unit where the error occurred will
			stop.
			The unit number of the CPU Bus Unit involved is
			stored in word A422.
A403	A40300 to	Memory Error	When a memory error occurs, the Memory Error	0: Normal
	A40308	Location	Flag (A40115) is turned ON and one of the following	1: Error
			flags is turned ON to indicate the memory area
			where the error occurred.
			A40300: User program
			A40304: PLC Setup
			A40305: Registered I/O Tables
			A40307: Routing Table
			A40308: CPU Bus Unit Settings
			The ERR/ALM indicator on the front of the CPU Unit
			will light and CPU operation will stop.
A410	A41000 to	CPU Bus Unit Num-	The Duplication Error Flag (A40113) and the	0: No duplication
	A41015	ber Duplication	corresponding flag in A410 will be turned ON when	1: Duplication
		Flags	a CPU Bus Unit’s unit number has been
			duplicated. Bits 00 to 15 correspond to unit numbers
			0 to F.
			The ERR/ALM indicator on the front of the CPU Unit
			will light and CPU operation will stop.

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