G7 AC Drive
G7 AC Drive
This innovative drive utilizes 3 level control to offer the best solution for challenging installations. Yaskawa is the only manufacturer to offer a low voltage drive with this architecture. 3 level technology minimizes drive induced problems associated with long motor cables and premature motor bearing failures. In addition, overall electrical noise is greatly reduced, resulting in the most problem free installations. Not only does the Yaskawa G7 deliver this exclusive advantage, but it also provides high flexibility and excellent vector performance for control of speed, torque, and position, available in ratings through 500HP.
Features
Performance Features
- Ratings: 0.5 to 150 HP, 240 VAC 0.5 to 500 HP, 480 VAC
- Overload capacity: Heavy duty, 150% for 1 minute, 200% peak
- Starting torque: 150% at frequency; 1.0Hz (V/f), 0.5Hz (open loop vector), 0.0Hz (closed loop vector)
- Output frequency: 0.01 to 400 Hz
- Output frequency resolution: 0.001 Hz
- Speed control range: 40:1 (V/f), 200:1 (open loop vector), 1000:1 (closed loop vector)
- Speed regulation: 1.0% (V/f), 0.2% (open loop vector), 0.01% (closed loop vector)
- Speed response: 60 Hz
- Torque response: 300 Hz
- Speed reference resolution: 0.01 Hz with digital reference, 0.03 Hz with analog reference, 0.01 Hz with network reference
- Speed/Torque/Position control
- Zero-servo mode
- Adjustable accel/decel: 0.01 to 6000 seconds
- S-Curve: 0.00 to 2.50 seconds, adjustable for each corner
- Stall prevention: Accel / decel / running
- Power loss ride-thru: Auto-restart or inertia ride-thru
- Torque limit (four quadrant)
- Electronic motor overload (UL 508C)
- Over-torque / under-torque detection
- Phase-to-phase and ground fault short circuit protection
- Over-current, over-voltage, and overtemperature protection
- Input / output phase loss protection
- Optically-isolated controls
- DC bus charge indicator
- Motor thermistor input
- Analog inputs: 3 (2 programmable), -10 to +10 VDC (20k) or 4 to 20 mA (250), 11 bit plus sign
- Analog outputs: 2 programmable, -10 to +10 VDC or 4-20 mA, 9 bit plus sign
- Digital inputs: 12 (10 programmable), sinking or sourcing
- Digital outputs: 5 programmable, 3 form A and 2 open collector
- Pulse train input: 1 programmable, 32 kHz max
- Pulse train output: 1 programmable, 32 kHz max
- Fault contact: 1 form C
- RS-232/422/485: Modbus RTU
- UL, cUL, and CE listed
- MTBF: Exceeds 28 years