Programmable Logic Controller : MICRO-EH : Specification

20/40/64 point type CPU Specifications

Specifications	Item			20/40/64 point type
Control Specifications	CPU			32-bit RISC processor
	Processing system			Stored program cyclic system
	Processing Speed	Basic Instructions		0.9 µs / instruction
		Application Instructions		Several 10 µs / instruction
	User program memory			16 ksteps max. (FLASH memory)
Operation Specifications	Instruction language	Basic Instructions		39 types such as LD, LDI, AND, ANI, OR, ORI, ANB, ORB, OUT, MPS, MRD, MPP, etc.
		Arithmetic Instructions Application Instructions		132 types (arithmetic, application, control, FUN command, etc)
	Ladder	Basic Instructions		39 types such as
		Arithmetic Instructions Application Instructions		132 types (arithmetic, application, control, FUN command, etc)
I/O processing Specifications	External I/O	I/O processing system		Refresh processing
		Max. number of points		176 points
	Internal output	Bit		1,984 points (R0 to R7BF)
		Word		32,768 words (WR0 to WR7FFF)
		Special	Bit	64 points (R7C0 to R7FF)
			Word	512 words (WRF000 to WRF1FF)
		Bit/Word shared		16,384 points 1,024 words (M0 to M3FFF, WM0 to WM3FF)
	Timer / counter	Number of points		512 points (TD+CU) However, TD is up to 256 points *1
		Timer set value		0 to 65,535, timer base 0.01 s, 0.1 s, 1 s (64 points are maximum for 0.01 s *2)
		Counter set value		1 to 65,535 times
	Edge detection			512 points (DIF0 to DIF511:decimal) + 512 points (DFN0 to DFN511:decimal)
Peripheral equipment	Program system			Command language, ladder program
	Peripheral unit			Programming software (LADDER EDITOR DOS version / Windows® version, Pro-H ) Command language programmer, portable graphic programmer cannot be used.
Maintenance functions	Self-diagnosis			PLC error (LED display): Microcomputer error, watchdog timer error, memory error, program error, system ROM/RAM error, scan time monitoring, battery voltage low detection, etc.

*1

The same numbers cannot be shared by the timer and the counter. TD is 0 to 255.

*2

Only timers numbered 0 to 63 can use 0.01s for their time base.

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