Omron CS1W-DRM21, CJ1W-DRM21 operation manual A C2 error will be displayed on

Allocated CIO Area Words						Section 3-2
Bit	Name	Status	Con-	Unit operation	Operation condi-			Default
			trolled			tions		setting
			by
					CPU	Mas-	Scan
					Unit	ter	list
					oper-	func-	sta-
					ating	tion	tus
					mode
06	Master	OFF→	User	Enables master communications. (The Unit automati-	Pro-	Dis-	---	Master
	Enable	ON		cally restarts.)	gram	abled		enabled
	Switch			Once enabled, the Unit will function as a Master	mode
				regardless of whether the power is turned OFF and
				back ON again until the Master Stop Switch (word n, bit
				07) is turned ON.
				Note 1. Master communications are enabled in the
				default settings.
				2. If this bit is turned ON with master communi-
				cations enabled, a Unit status error will occur
				and a C2 error will be displayed on the 7-
				segment display. The 7-segment display will
				go out automatically after 30 seconds.
		OFF	Unit	Returns to OFF at the start of master communications.
07	Master	OFF→	User	Stops master communications. (The Unit automatically	Pro-	En-	---
	Stop	ON		restarts.)	gram	abled
	Switch			Turn this switch ON if the Unit will be used only for	mode
				slave communications.
		OFF	Unit	Returns to OFF after master communications stop.
08	Master	OFF→	User	Allocates the following words for use when the scan list	Pro-	En-	Dis-	Master
	Fixed	ON		is disabled (default setting). (The Unit automatically	gram	abled	abled	Fixed
	Alloca-			restarts.)	mode			Alloca-
	tion Set-			• OUT area: CIO 3200 to CIO 3263 (1 word/1 node ad-				tion
	ting 1							Setting
				dress)
	Switch							1
				• IN area: CIO 3300 to CIO 3363 (1 word/1 node ad-
								enabled
				dress)
				Note The I/O words used with the scan list disabled
				are also used with the scan list enabled. (Use
				the Scan List Enable Switch (word n, bit 00).)
		OFF	Unit	Returns to OFF after the fixed allocation areas are set.
09	Master	OFF→	User	Functions the same as bit 08 to allocate the following	Pro-	En-	Dis-
	Fixed	ON		words. (The Unit automatically restarts.)	gram	abled	abled
	Allocation			• OUT area: CIO 3400 to CIO 3463 (1 word/1 node ad-	mode
	Setting 2			dress)
	Switch
				• IN area: CIO 3500 to CIO 3563 (1 word/1 node ad-
				dress)
		OFF	Unit	Returns to OFF after the fixed allocation areas are set.
10	Master	OFF→	User	Functions the same as bit 08 to allocate the following	Pro-	En-	Dis-
	Fixed	ON		words. (The Unit automatically restarts.)	gram	abled	abled
	Alloca-			• OUT area: CIO 3600 to CIO 3663 (1 word/1 node ad-	mode
	tion Set-			dress)
	ting 3
				• IN area: CIO 3700 to CIO 3763 (1 word/1 node ad-
	Switch
				dress)
		OFF	Unit	Returns to OFF after the fixed allocation areas are set.

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