YASKAWA Varispeed-606PC3 Instruction Manual

2 . DIGITAL OPERATOR (J'VOP-114) (Cont'd)Protective Explanation Monitor FaultFunction Display Contact OutputExternalBaseblock When an external baseblock signal is input,Signal Input the motor coasts to a stop. When the (BB) Non(Main Circuit external baseblock signal is removed, the OperationTransistor inverter output is immediately turned on at ! !~~ u (Blink)Instantaneous the previously set frequencyShut-off)Inverter acceleration is stopped when 170%o m or more of the inverter rated current is10 During required by the loadAccel- This prevents overload protection (OL 1,CL a)~o eration OL2) or overcurrent (OC) from occuring.When current is reduced to less than 170%,E °c acceleration is enabledCx0 ,0 2C~ U Output frequency is decreased when 160%-0o DuringNormal of the inverter rated current or greater is Non~ 'o Oper- required by the load. This prevents motor OperationoN ation and inverter overload (OL 1, OL2). WhenEa current is reduced below 160%, inverteracceleration is enabled.Deceleration is stopped when the DCDuring voltage is caused to rise by motorDeceler- regenerative energy . This prevents~-D If anon overvoltage trips (OV) . When DC voltage0 a)Q 'c decreases, deceleration to the set valueresumes.

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