Artisan Technology Group SJ100DN DeviceNet Series Specifikace stáhnout pdf (Strana 16)

Name

Overcurrent

protection

Overload protection

(*1)

Braking resistor

overload protection

Overvoltage

protection

EEPROM error(*2)

Undervoltage

protection

CT error

CPU error

External trip

USP error

Ground fault

protection

Input overvoltage

protection

Temperature error

PTC error

Digital operator

Description

When the motor is restrained or suddenly reduced in

speed, a large current is charged to the inverter,

causing a fault. When the inverter detects 205% peak

current for the rated current of the inverter,Over current

is occurred.

When the inverter output current causes the motor to overload, the electronic

thermal trip in the inverter cuts off the inverter output.

If the duty rating for the regenerative braking resistor has been exceeded,an overvoltage is detected

by stopping BRD(regenerative braking unit)operation and the inverter output is turned off.

If regenerative energy from the motor or the main power supply voltage is high,

the protective circuit activates to cut off the inverter output when the voltage of

the converter section exceeds the specification.

The inverter output is cut off when EEPROM in the inverter has an error due to

external noise, excessive temperature rise, or other factor.

When the input voltage received by the inverter decreases, the control circuit

does not function normally. When the input voltage is below the

specification, the inverter output is cut off.

Turns off the output if CT in the inverter has become abnormal.

The inverter output is cut off when the inverter CPU has a malfunction or an

error.

When the external equipment or unit has an error, the inverter receives the

corresponding signal and cuts off the output.

The USP error is indicated when the power is turned on with the inverter in

RUN state. (Enabled when the USP function is selected.)

Ground fault is detected between the inverter output section and the motor

when the power is turned on, to protect the inverter.

When the input voltage is higher than the specified value, it is detected 100

seconds after power is turned on and the output is cut off.

When the temperature in the main circuit increases due to cooling fan stop,

the inverter output is cut off. (Only for the model type with cooling fan)

When the resistance value of the external thermistor is too large, the equipment

detects the abnormal condition of the thermistor and then cut off the output

(when PTC function is selected)

Constant speed

Deceleration

Acceleration

Others

Trip Monitoring Method

FUNC

FUNC FUNC

FUNC

FUNC FUNC

Trip cause Trip frequency Trip current

Trip History Monitoring Method

Previous trip cause

Trip cause before the previous

FUNC

Trip +

(DC) voltage

1: is indicated when there is no trip.

Note

OC.Drive

OC.Decel

OC.Accel

Over.c

Over.L

OL.BLD

Over.V

EEPROM

Under.V

CPU

CPU2

EXTERNAL

USP

GND.Flt

OV.SRC

OH FIN

PTC

Remote operator

/copy unit

ERR1 ****

Protective Functions

Waiting on account

of undervoltage

Waiting with the output turned off, because the inverter receiving Voltage has

dropped.

UV.WAIT

Notes

1.Press the reset key 10 seconds after the alarm has occurred.

2.If an EEPROM error occurs,be sure to comfirm the seting value again.

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Artisan Technology Group SJ100DN DeviceNet Series Specifikace Strana 16

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