Mitsubishi Electronics manual 192

11 TROUBLESHOOTING

MELSEC-Q

Special Register List (Continued)

Number	Name	Meaning					Explanation		Set by	Corresponding	Corresponding
									(When set)	ACPU	CPU
										D9
SD302	Device	Number of points		• Stores the number of points currently set for D devices
		allocated for D
	allocation
		Number of points							S (Initial)	New	+Rem
SD303	(Same as			• Stores the number of points currently set for W devices
		allocated for W
	parameter
		Number of points
SD304	contents)			• Stores the number of points currently set for SW devices
		allocated for SW
				Reserves the designated time for communication processing with
	Time			GX Developer or other units.
				The greater the value is designated, the shorter the response time
	reserved for	Time reserved for							U
				for communication with other devices (GX Developer, serial
SD315	communicat	communication							(END	New	QCPU
				communication units) becomes.
	ion	processing							processing)
				Setting range: 1 to 100 ms
	processing
				If the designated value is out of the range above, it is assumed to
				no setting.
SD340		No. of modules		• Indicates the number of modules installed on Ethernet.
		installed
SD341			I/O No.	• Ethernet I/O No. of the 1st module installed.
SD342			Network	• Ethernet network No. of the 1st module installed.
			No.
SD343			Group No.	• Ethernet group No. of the 1st module installed.
SD344		Informa-	Station	• Ethernet station No. of the 1st module installed.					S (Initial)	New
			No.
		tion of 1st
				• Vacant
SD345 to	Ethernet	module									QCPU
			Vacant	(With High Performance model QCPU, the Ethernet IP address
SD346	information			of the 1st module is stored in buffer memory.)							Remote
				• Vacant
SD347			Vacant	(With High Performance model QCPU, the Ethernet error code of
				the 1st module is read with the ERRORRD instruction.)
SD348 to		Information from 2nd		• Configuration is identical to that for the first module.
SD354		module
SD355 to		Information from 3rd		• Configuration is identical to that for the first module.					S (Initial)	New
SD361		module
SD362 to		Information from		• Configuration is identical to that for the first module.
SD368		4th module
SD340		No. of modules		• Indicates the number of modules installed on Ethernet.
		installed
SD341			I/O No.	• Ethernet I/O No. of the 1st module installed.
SD342			Network	• Ethernet network No. of the 1st module installed.
			No.
SD343		Informa-	Group No.	• Ethernet group No. of the 1st module installed.
SD344		tion of 1st	Station	• Ethernet station No. of the 1st module installed.
		module	No.						S (Initial)	New
	Ethernet
SD345 to
	information		IP address	• Ethernet IP address of the 1st module installed.
SD346
SD347			Error code	• Ethernet error code of the 1st module installed.
SD348 to		Information from 2nd		• Configuration is identical to that for the first module.
SD354		module									QnA
SD355 to		Information from 3rd		• Configuration is identical to that for the first module.
SD361		module
SD362 to		Information from 4th		• Configuration is identical to that for the first module.					S (Initial)	New
SD368		module
				B15	B8 B7 B6 B5 B4 B3 B2B1 B0
				0 to	0
				Not used				Instruction reception status of channel 1
	Ethernet							Instruction reception status of channel 2
		Instruction reception						Instruction reception status of channel 3
SD380	instruction							Instruction reception status of channel 4	S (Initial)	New
	reception	status of 1st module						Instruction reception status of channel 5
								Instruction reception status of channel 6
	status
								Instruction reception status of channel 7
								Instruction reception status of channel 8
						ON: Received (Channel is used.)
						OFF: Not received (Channel is not used.)

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