Hitachi hitachi series inverter A072, A073, A074, A075, A076, A077, A078, A079, A081, A281, A082

Func.	Name	Description
Code

Run

Mode

Edit

Initialdata Units

A072	PID proportional gain	Proportional gain has a range of	1.0	−
		0.00 to 25.00
A073	PID integral time constant	Integral time constant has a	1.0	sec
		range of 0.0 to 3600 seconds
A074	PID derivative time constant	Derivative time constant has a	0.00	sec
		range of 0.0 to 100 seconds
A075	PV scale conversion	Process Variable (PV), scale	1.00	−
		factor (multiplier), range of 0.01
		to 99.99
A076	PV source	Selects source of Process	00	−
		Variable (PV), option codes:
		00…[OI] terminal (current in)
		01…[O] terminal (voltage in)
		02…Modbus network
		03…Pulse train input
		10…Calculate function output
A077	Reverse PID action	Two option codes:	00	−
		00…PID input = SP-PV
		01…PID input = -(SP-PV)
A078	PID output limit	Sets the limit of PID output as	0.0	%
		percent of full scale,
		range is 0.0 to 100.0%
a079	PID feed forward selection	Selects source of feed forward	00	−
		gain, option codes:
		00…Disabled
		01…[O] terminal (voltage in)
		02…[OI] terminal (current in)
A081	AVR function select	Automatic (output) voltage	02	−
		regulation, selects from three
	AVR function select,	type of AVR functions, three
a281		option codes:	02	−
	2nd motor	00…AVR enabled
		01…AVR disabled
		02…AVR enabled except during
		deceleration
A082	AVR voltage select	200V class inverter settings:	200/	V
		……200/215/220/230/240	400
	AVR voltage select,	400V class inverter settings:		V
a282		……380/400/415/440/460/480	200/
	2nd motor		400
a083	AVR filter time constant	Define the time constant of the	0.300	sec
		AVR filter, range is 0 to 10 sec.
a084	AVR deceleration gain	Gain adjustment of the braking	100.	%
		performance, range is 50 to
		200%
A085	Energy-saving operation mode	Two option codes:	00	−
		00…Normal operation
		01…Energy-saving operation
A086	Energy-saving mode tuning	Range is 0.0 to 100 %.	50.0	%

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