Omron CS1W-ETN21 operation manual Read/Write Bits User Settings, Bits Name Description Settings

Auxiliary Area Data				Section 4-3
Word(s)	Bit(s)	Name	Function	Settings
A417	A41700 to	CPU Bus Unit Error,	When an error occurs in a data exchange between	0: No error
	A41715	Unit Number Flags	the CPU Unit and a CPU Bus Unit, the CPU Bus	1: Error
			Unit Error Flag (A40207) and the corresponding flag
			in A417 are turned ON. Bits 00 to 15 correspond to
			unit numbers 0 to F.
			The ERR/ALM indicator on the front of the CPU Unit
			will flash, but CPU operation will continue.
A427	A42700 to	CPU Bus Unit Set-	When a CPU Bus Unit Setting Error occurs, A40203	0: No setting error
	A42715	ting Error, Unit	and the corresponding flag in A27 are turned ON.	1: Setting error
		Number Flags	Bits 00 to 15 correspond to unit numbers 0 to F.
			The ERR/ALM indicator on the front of the CPU Unit
			will flash, but CPU operation will continue.
Read/Write Bits (User Settings)
Word	Bits	Name	Description	Settings
A501	A50100 to	CPU Bus Unit	Bits A50100 through A50115 can be turned ON to	OFF to ON:
	A50115	Restart Bits	reset CPU Bus Units number #0 through #15,	Unit restarted.
			respectively.	Automatically turned
			The Restart Bits are turned OFF automatically when
				OFF by system after
			restarting is completed.	restart processing
			The CPU Bus Unit Initializing Flags (A30200 to	has been completed.
			A30215) will turn ON when initialization of the Units
			begins and turn OFF when it is completed.

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