Omron CS1W-DRM21 Master Status 2 Word n+13, Master I/O Allocation Status, Code Details

Allocated CIO Area Words				Section 3-2
Bit	Name	Status	Controlled	Unit operation
			by
10	Fixed	ON	Unit	Indicates that an error has occurred in one of the following operations:
	Allocation			• Fixed Allocation Setting 1 (word n, bit 08)
	Area Setting
				• Fixed Allocation Setting 2 (word n, bit 09)
	Failed Flag
				• Fixed Allocation Setting 3 (word n, bit 10)
				Once this bit turns ON, it will remain ON until the operation is successfully
				completed.
		OFF	Unit	Indicates that the error has not occurred. The bit turns OFF when the
				operation is successfully completed.
11	Scan List	ON	Unit	Indicates that an error has occurred in one of the following operations:
	Register/			• Scan list enabled (word n, bit 00)
	Clear Failed
				• Scan list clear (word n, bit 01)
	Flag
				Once this bit turns ON, it will remain ON until the operation is successfully
				completed.
		OFF	Unit	Indicates that the error has not occurred. The bit turns OFF when the
				operation is successfully completed.
12	Communica-	ON	Unit	Indicates that an error has occurred when setting the communications
	tions Cycle			cycle time (word n, bit 12).
	Time			Once this bit turns ON, it will remain ON until the next communications
	Setting
				cycle time is set.
	Failed Flag
		OFF	Unit	Indicates that the error has not occurred. The bit turns OFF when the
				operation is successfully completed.
13	Reserved by	---	---	---
to	system
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15	I/O Data	ON	Unit	Indicates that at least one slave is performing remote I/O communications.
	Communica-			Usage example: When writing the ladder program for remote I/O commu-
	tions Flag
				nications, set a NO input condition for this bit to control slave I/O process-
				ing.
		OFF	Unit	Indicates that remote I/O communications are not being conducted with
				any slaves.

3-2-8 Master Status 2 (Word n+13)

The leftmost eight bits indicate the status of master I/O allocations.

Word	Bit 15	Bit 08 Bit 07	Bit 00
n+13	Master I/O Allocation Status		Reserved by system

Master I/O Allocation Status

Code	Details
00 Hex	Unit starting up
01 Hex	Fixed allocation status 1 (with the scan list disabled)
02 Hex	Fixed allocation status 2 (with the scan list disabled)
03 Hex	Fixed allocation status 3 (with the scan list disabled)
11 Hex	Fixed allocation status 1
12 Hex	Fixed allocation status 2
13 Hex	Fixed allocation status 3
20 Hex	User-set allocations in the allocated DM Area words
30 Hex	User-set allocations from the Configurator
80 Hex	Master function disabled

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