Hitachi SJ-FB manual Operation

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Chapter 6 OPERATION

(Note 6) : If satisfactory performance can not be obtained, adjust the motor constants for the particular symptoms observed according to following table:

	Inverter	Symptom Observed				Adjustment Guidelines	Parameter(s)
	Status	Symptom Observed				Adjustment Guidelines	to Adjust
	Status						to Adjust
	At starting	Shock	occurs		at	Set “Motor constant J” higher gradually, up to	H024/H034
		starting				1.2 times the initially preset (default) value.
	At	Instability of		motor		Set the speed response lower.	H005
	At	Instability of		motor
	deceleratio	rotation				Set “Motor constant J” smaller than the	H024/H034
	n					initially preset value.
	During	Insufficient		torque		Set overload restriction level lower than the	b022
	torque limit	during	torque		limit	torque limit level(s).	b041-b044
		at low speed
	At low	Irregular rotation				Set “Motor constant J” higher than the initial	H024/H034
	frequency	Irregular rotation				Set “Motor constant J” higher than the initial	H024/H034
	operation					preset (default) value.
	operation

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Contents SJ-FB Feed-Back Board Safety Definitions and SymbolsPage Revision History Table P l a c e me n t . B e f o r e Page Contents Warranty period of the board is shown below Inquiries and WarrantyWarranty Inspection upon unpackingLocal Hitachi Distributor Outline of SJ-FB FunctionHow to Mount the SJ-FB Board Terminal Assignments of the SJ-FB Board Outlook of SJ-FBFunction Explanation of the Terminals SAPTerminal wiring Terminal ConnectionsEAP EAN EBP EBN EZP EZN Setting the DIP Switches Switch Initial SettingsInverter Configuration Parameters for the SJ-FB Board Gain Setting P001 Option 21 location of specification labels Setting Flowchart for the DIP Switches Switch setting flowchartOperation Operation Orientation function Function outlineFW/RV Data setting related to speed control Data settingFeed back board of the inverter main body Speed control ASR Control mode settingData setting of the input-output terminal Position control APR Electronic gear functionWiring for Synchronized Operation Data setting related to position controlStat Setting example Control block diagram of the electron gear functionForward/Reverse command + pulse train mode Pulse train mode selectionForward pulse train + Reversion pulse train mode Speed control P/PI switching function Torque characteristic P/PITo restrain the speed fluctuation by the temperature change That shows it below. This thermistor is the characteristicAction selection in case of option error Causes and Countermeasures for Option Board ErrorsProtection Function Product specification N t r o l