Industrial Automation Magazine India

Sinusoidal PWM control

Adjustable within the range of 50 - 330 V (240 V class) and 50 - 660 V (480 V class) by correcting the supply voltage

Setting between 0.01 - 590 Hz. Default max. frequency is set to 0.01 - 80 Hz.
Maximum frequency adjustment (30 to 590Hz)

0.01 Hz: operation panel input (60 Hz base), 0.03 Hz: analog input (60 Hz base, 11 bit/0 - 10 Vdc)

Analog input: +/-0.2% of the maximum output frequency (at 25+/-10 degreeC) Digital input: +/-0.01%+/-0.022 Hz of the output frequency

V/f constant, variable torque, automatic torque boost, vector control, base frequency adjustment 1, 2, 3, and 4 (15 - 590Hz), V/f 5-point arbitrary setting, torque boost adjustment (0 - 30%), start frequency adjustment (0 - 10 Hz), stop frequency adjustment (0 - 30 Hz)

3 kohm potentiometer (possible to connect to 1 - 10 kohm-rated potentiometer)
0 - 10Vdc (input impedance Zin: 31.5 kohm)
-10 to +10 Vdc (Zin: 31.5 kohm)
4 - 20 mAdc (Zin: 250 ohm)

The characteristic can be set arbitrarily by two-point setting. Compliant with 7 types of input;analog input (RR, RX, II, AI4, AI5), and pulse input (S4, S5)

Three frequency can be set. Setting of jump frequency and width.

Upper limit frequency: 0 to max. frequency, lower limit frequency: 0 to upper limit frequency

Frame size A1 to A4: adjustable between 1.0 - 16 kHz Frame size A5 to A8: adjustable between 2.5 - 8 kHz

Adjustment of proportional gain, integral time, differential time and delay filter. Multi PID and external PID control.

Voltage command input specification: -10 - +10 Vdc

Current time (year, month, date, hour, minute), Timezone, Daylight saving time, 4 work days and 20 holidays can be set by parameters

0.01 - 6000 sec. Selectable from among acceleration/deceleration. times 1, 2, 3 and 4. Automatic acceleration/deceleration function. S-pattern acceleration/deceleration 1 and 2 pattern adjustable.

Adjustment of braking start frequency (0 - [FH]Hz), braking (0 - 100%) and braking time (0 - 25.5 sec.). With emergency off braking function and motor shaft fix control function.

Forward run with ON of the terminal [F], Reverse run with ON of the terminal [R] (Default setting). Coast stop with OFF of the terminal assigned Stad-by function. Emergency off by panel operation or terminal.

Jog run, if selected, allows jog operation from the operation panel
Jog run operation by terminal block is possible by setting the parameters.

By changing the combination of the terminals [S1], [S2], [S3], [S4], [S5] set frequency + 31-speed operation.
Selectable between acceleration/deceleration time, torque limit and V/f by set frequency.

Capable of restarting after a check of the power circuit elements in case the protective function is activated. Max. 10 times selectable arbitrarily. Waiting time adjustment (0 - 10 sec.)

Automatic load reduction control at overloading. (Default: OFF)

The cooling fan will be stopped automatically to assure long life when unnecessary.

Key lock selectable between STOP key only, MODE key only, etc. All key operations can be locked.

Possible to keep the motor running using its regenerative energy in case of a momentary power failure. (Default: OFF)

Possible to restart the motor in coasting in accordance with its speed and direction. (Default: OFF)

Possible to select each 8 patterns in 2 groups from 15-speed operation frequency. Max. 16 types of operation possible. Terminal operation/repeat operation possible.

Possible to switch operation by commercial power supply or inverter

Increases the operating efficiency of the machine by increasing the rotational speed of the motor when it is operated under light load.

When two or more inverters are used to operate a single load, this function prevents load from concentrating on one inverter due to unbalance.

External input signal adjustment is possible to the operation frequency command value.

Stall prevention, current limit, overcurrent, overvoltage, short circuit on the load side, ground fault on the load side (Note 4), undervoltage, momentary power failure (15 ms or more), non-stop control at momentary power failure, overload protection, arm overload at starting, overcurrent on the load side at starting, overcurrent and overload at braking resistor, overheat, emergency off

Switchable between standard motor/constant torque motor, adjustment of overload protection and stall prevention level.

Reset by 1a contact closed (or 1b contact opened), or by operation panel. Or power supply OFF/ON. This function is also used to save and clear trip records.

Stall prevention during run, overload limit, overload, undervoltage on power supply side, DC circuit undervoltage, setting error, in retry, upper limit, lower limit.

Overcurrent, overvoltage, overheat, short circuit on the load side, ground fault on the load side, inverter overload, arm overcurrent at starting, overcurrent on the load side at starting, Cooling fan fault, CPU fault, EEPROM fault, RAM fault, ROM fault, communication error, (braking resistor overcurrent/overload), (emergency off), (undervoltage), (undercurrent), (overtorque), (motor overload), (input phase failure), (output phase failure) The items in the parentheses are selectable.

Output frequency, frequency command, forward run/reverse run, output current, DC voltage, output voltage, compensated frequency, terminal input/output information, CPU version, past trip history, cumulative operation time, feedback frequency, torque, torque command, torque current, exiting current, PID feedback value, motor overload factor, inverter overload factor, PBR overload factor, PBR load factor, input power, output power, peak output current, peak DC voltage, RR input, II input, RX input, AI4 input, AI5 input, FM output, AM output, expansion I/O card option CPU version, integral input power, integral output power, communication option reception counter, communication option abnormal counter.

Display of optional units other than output frequency (motor speed, line speed, etc), current ampere/% switch, voltage volt/% switch

Searches automatically parameters that are different from the default setting parameters. Easy to find changed parameters.

User parameter settings can be saved as default settings. Allows to reset the parameters to the user-defined parameter settings.

Displays power circuit capacitor charging.

Possible to select positive logic or negative logic with programmable input/output terminal function menu. 2 or 3 function can be assigned for some terminals. Note 1) Note 2) (Default setting: positive logic)

Possible to switch between minus common (CC) and plus common (P24) for digital input terminal. (Default setting: external power supply)

1c contact output (250Vac-2A (cosO=1), 30Vac-2A (Resistive), 250Vac=1A (cosO=0.4), 30Vdc=1A (L/R=7ms))

2X1a contact output (250Vac-2A (cosO=1), 30Vac-2A (Resistive), 250Vac=1A (cosO=0.4), 30Vdc=1A (L/R=7ms))

Digital output (24 Vdc, max. 50 mA)

Analog output for meter: 1 mA dc full-scale dc ammeter 0 - 20 mA (4 - 20 mA) output: DC ammeter (allowable load resistance: 500 ohm or less) 0 - 10 V output: DC voltmeter (allowable load resistance: 1 kohm or more)

Pulse train output (Up to 30 kpps, duty 50%)

Ethernet standard 2-channel equipped (connector: RJ45) IEEE802.3/IEEE802.3u (Fast Ethernet) (10/100Mbps: Auto negotiation) RS485 standard 2-channel equipped (connector: RJ45) PROFINET, DeviceNet, PROFIBUS-DP, EtherCAT are optional.

Indoor use. Altitude: 4800m or less for frame size A1 to A6, 3000m or less for frame size A7 and A8 (current reduction necessary when above 1000 m). Place not exposed to direct sunlight and free of corrosive and explosive gases.

-15 to +60 degreeC Note 5) Frame size A1 to A5: Current reduction, remove the top cover when above 50 degreeC; Frame size A6: Current reduction when above 50 degreeC Note 6); Frame size A7 and A8: Current reduction when above 50 degreeC (HD), above 45 degreeC (ND)

-25 to +70 degreeC Note 7)

5 to 95% (free from condensation)

Frame size A1 to A6: 5.9 m/s2{0.6G} or less (10 - 55 Hz), Frame size A7, A8: 2.9 m/s2{0.3G} or less (10 - 55 Hz)