Mitsubishi Electronics Q172DCPU, Q173DCPU MULTIPLE CPU SYSTEM, 2MULTIPLE CPU SYSTEM, Table 2.8 Parameter setting items of automatic refresh setting

2MULTIPLE CPU SYSTEM

(b)Automatic refresh setting

Setting for use of the automatic refresh function in the Multiple CPU high speed transmission area.

Up to 32 setting ranges can be set for each CPU module.

Automatic refresh setting screen and setting range are shown below.

Table 2.8 Parameter setting items of automatic refresh setting

					Data size
Item	Setting description	Setting range		Restriction	consistency
					check
CPU	Select the CPU module for editing of the		• CPU No. which exceeds the
		CPU No.1 to No.4		number of CPU modules cannot	—
selection	CPU specific send range setting.
				be selected.
	The setting No. for transmission of each
	CPU module is displayed. Automatic
Setting No.	refresh is executed between devices set to	1 to 32		—	—
	the same setting No. for all CPUs that
	constitute the Multiple CPU system.
			• Setting which exceeds the
				number of points of the self CPU
	Set the number of points for data	Range: 2 to 14336 [points]		send area allocated to the each
Points				CPU module (CPU specific send	Provided
	communication.	Unit: 2 [points]
				range) cannot be set.
			•	Bit device can be specified in
				units of 32 points (2 words) only.
	Specifies the device which performs the
	data communication (automatic refresh).	Usable device ( X, Y, M, B,
	Specifies the device sent by the self CPU		•	Bit device can be specified in
	when the "Send source CPU selection" is	D, W, #, SM, SD)		units of 16 points (1 word) only.
Start		Note) Set "blank" when			None
	the self CPU, and specifies the device		• Device number cannot be
		automatic refresh is
	received by the self CPU when the CPU			duplicated.
		not executed.
	specific send range setting is the other
	CPU.

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