Yaskawa Varispeed G7 series 

Application of Yaskawa inverter G7

Paper manufacturing machines, Transportation, Fans and Pumps, HVAC, Metal machining tools, public facilities, medical equipment, living enviroment, food processing machines, and more.

Power supply

3P, 200/208/220/230/240 Vac, 380/400/415/440/460/480 Vac (− 15% to +10%) 50/60 Hz (± 5%)

Rated capacity

0.4-110 kW (200 V), 0.4-300 kW (400 V)

Rated current

3.2-415 A (200 V), 1.8-605 A (400 V)

Output frequency range

0.01 to 400 Hz

Starting Torque

150 % at 0.3 Hz (open loop vector control 2)

150 % at 0 min^-1 (vector control with PG)

Overload current rating

150 % rated ouput current for 1 minute

200 % rated output current for 0.5s

Control Method

Sine wave PWM

(Vector with PG, open loop vector 1, open loop vector 2, V/f, V/f with PG)

Braking unit

All models up to 30 kW are equipped with a brak -ing transistor for even more powerful braking op -tions by just adding a braking resistor.

Input

Sequence input, Analog input

Ouput

Photo-coupler output, relay output, analog monitor output, pulse I/O

Protection Function

Motor overload protection, Instantaneous overcurrent, Fuse Protection, overload, overvoltage, undervoltage, momentary power loss, fin overheat, stall prevention, ground fault, power charge indication

Main Control Functions

Momentary power loss restart, Speed search, overtorque detection, torque limit, 17-step speed operation (max.), Accel/decel time changeover, S-curve accel/decel, 3-wire sequence, auto-tuning (dynamic, static), DWELL, Cooling fan ON/OFF, Slip compensation, Torque compensation, Jump frequency, Frequency upper/lower limit settings, DC injection braking at start/stop, High slip braking, PID control (with sleep function), Energy-savng control, MEMOBUS communication (RS-485/422 max. 19.2 kbps), Fault retry, Constant copy, Droop control, Torque control, Speed/torque control changeover, etc.

Communication

RS-422 /485 (MEMOBUS/Modbus at 115 .2 kbps) standard on all models.
Option cards available for all major serial networks used across the globe : PROFIBUS - DP, DeviceNet, CC-Link, CANopen, LONWORKS, MECHATROLINK -2, MECHATROLINK-3, among others.

Peripheral Devices and Options

LCD Operator, AC Reactor, DC Reactor, Braking Unit, Braking Resistor, noise filter...
Speed Reference Card, Communications Option Card, Monitor Option Card, PG Speed Controller Card

Degree of protection

IP 00 open-chassis, IP 20 NEMA Type 1 enclosure