Mitsubishi Electronics Q172DCPU, Q173DCPU APPENDICES, Table 4.1 Differences Between Q173DCPU/Q172DCPU and Q173HCPU/Q172HCPU

APPENDICES

APPENDIX 4 Differences Between Q173DCPU/Q172DCPU and Q173HCPU/Q172HCPU APPENDIX 4.1 Differences Between Q173DCPU/Q172DCPU and Q173HCPU/Q172HCPU

Common differences to each mode are shown in Table 4.1.

Refer to "APPENDIX 4.3 Differences of each mode" for characteristic differences to each mode.

And, refer to "APPENDIX 4.2 Comparison of devices " for detailed differences of devices.

Table 4.1 Differences Between Q173DCPU/Q172DCPU and Q173HCPU/Q172HCPU

	Item	Q173DCPU/Q172DCPU	Q173HCPU/Q172HCPU
Peripheral I/F		Via PLC CPU (USB/RS-232)	USB/SSCNET
External battery		Demand	Add Q6BAT at continuous power failure for 1
			month or more.
		• Use EMI terminal of Motion CPU module.	• Use device set by forced stop input setting in
Forced stop input		• Use device set by forced stop input setting in
			the system setting.
		the system setting.
Multiple CPU high speed
transmission memory for data		Included	—
transfer between CPU modules
	Internal relays (M)	8192 points	Total 8192 points
	Latch relays (L)	None (Latch for M is possible by latch setting)
	Special relays (M)	—	256 points
Device	Special relays (SM)	2256 points	—
	Special registers (D)	—	256 points
	Special registers (SD)	2256 points	—
	Motion registers (#)	8736 points	8192 points
	Multiple CPU area devices	Up to 14336 points	—
	(U \G)
		D(P).DDRD, D(P).DDWR, D(P).SFCS,	S(P).DDRD, S(P).DDWR, S(P).SFCS,
Motion dedicated PLC instructions		D(P).SVST, D(P).CHGT, D(P).CHGV,	S(P).SVST, S(P).CHGT, S(P).CHGV,
		D(P).CHGA, D(P).GINT	S(P).CHGA, S(P).GINT
		Multiple instructions are executable continuously
	Interlock condition	without interlock condition by the self CPU high	Interlock condition by the to self CPU high speed
		speed interrupt accept flag from CPU .	interrupt accept flag from CPU is necessary.
		:CPU No.
Motion modules		Q172DLX, Q172DEX, Q173DPX	Q172LX, Q172EX, Q173PX
		• QnUD(H)CPU is set as CPU No. 1.
		• Only Multiple CPU high speed main base unit	• QnUD(H)CPU is set to CPU No. 1.
System setting		(Q38DB/Q312DB) can be used as main base	• Q3 B can be used as a main base unit.
		unit.	• Motion modules can be mounted to I/O 0 to 2
		• Motion modules cannot be installed to I/O 0 to 2	slot.
		slot.
Latch clear		Remote operation	L.CLR switch
RUN/STOP		Remote operation, RUN/STOP switch	RUN/STOP switch
		• ROM writing is executed with mode operated
ROM operation		by RAM/ mode operated by ROM.	Rom writing is executed with installation mode/
		• ROM writing can be executed for the data of	mode written in ROM.
		MT Developer.

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