Hitachi hitachi series inverter Multi-Speed Select ~Binary Operation, Required settings

Multi-Speed Select ~Binary Operation
	The inverter can store up to 16 different target			Multi-
	frequencies (speeds) that the motor output uses for			speed		CF4	CF3	CF2	CF1
	steady-state run condition. These speeds are accessible			Speed 0
	through programming four of the intelligent terminals as					0	0	0	0
				Speed 1		0	0	0	1
	binary-encoded inputs CF1 to CF4 per the table to the
				Speed 2		0	0	1	0
	right. These can be any of the six inputs, and in any			Speed 3		0	0	1	1
	order. You can use fewer inputs if you need eight or			Speed 4		0	1	0	0
	fewer speeds.			Speed 5		0	1	0	1
				Speed 6		0	1	1	0
	NOTE: When choosing a subset of speeds to use,			Speed 7		0	1	1	1
				Speed 8		1	0	0	0
	always start at the top of the table, and		with the	Speed 9		1	0	0	1
	least-significant bit: CF1, CF2, etc.			Speed 10		1	0	1	0
				Speed 11		1	0	1	1
	3rd	Speed		Speed 12		1	1	0	0
				Speed 13		1	1	0	1
	7th
				Speed 14		1	1	1	0
	5th
	2nd			Speed 15		1	1	1	1
	1st
	6th		The example with eight speeds in the
	4th
	0th		figure below shows how input switches
[CF1]	1		configured for CF1–CF3 functions can
			change the motor speed in real time.
	0
[CF2]	1
	0		NOTE:	Speed	0	depends		on
									A001
[CF3]	1
	0		parameter value.
[FW]	1
	0

Option Terminal Code Symbol

Function Name

State

Description

02		CF1	Multi-speed Select,		ON	Binary encoded speed select, Bit 0, logical 1
			Bit 0	(LSB)	OFF	Binary encoded speed select, Bit 0, logical 0
03		CF2	Multi-speed Select,		ON	Binary encoded speed select, Bit 1, logical 1
			Bit 1		OFF	Binary encoded speed select, Bit 1, logical 0
04		CF3	Multi-speed Select,		ON	Binary encoded speed select, Bit 2, logical 1
			Bit 2		OFF	Binary encoded speed select, Bit 2, logical 0
05		CF4	Multi-speed Select,		ON	Binary encoded speed select, Bit 3, logical 1
			Bit 3	(MSB)	OFF	Binary encoded speed select, Bit 3, logical 0
			C001	C007		Example (some CF inputs require input
			~			configuration; some are default inputs):
	Required settings		F001, A001=02,
			A020 to A035
						CF4 CF3 CF2 CF1
	Notes:
						7 6 5 4 3 2 1 L PLC P24
	• When programming the multi-speed settings, be
	sure to press the SET key each time and then set
	the next multi-speed setting. Note that when the
	key is not pressed, no data will be set.

•When a multi-speed setting more than 50Hz (60Hz) is to be set, it is necessary to program the

maximum frequency A004 high enough to allow	See I/O specs on page 21,22.
that speed

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