G7 Drive

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
Protective Features
  • 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
Inputs and Outputs
  • 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
Standards & Reliability
  • UL, cUL, and CE listed
  • MTBF: Exceeds 28 years
Design Features
  • LCD keypad display: 5 lines x 16 characters, backlit, 7 languages, copy function
  • Simple programming: Quick start and modified parameter groups
  • Microprocessor logic: 32-bit
  • Memory type: Flash memory for easy updates, custom software applications, and non-volatile program retention
  • Control logic: 24 VDC (sinking or sourcing)
  • Terminal strip: Quick disconnect
  • Front cover: Split for easy wiring
  • Heat sink fan: Plug-in with on-off control
  • Motor auto-tuning: Static and rotational
  • Speed search: Bi-directional into rotating motor
  • Process control: PID, reference with PID trim
  • Motor parameters: 2 sets
  • Stopping methods: Ramp stop, coast stop, fast stop, or high-slip braking
  • DC injection braking: Adjustable level and time
  • Speed reference presets: 17 available
  • Timer function: Programmable on / off delay
  • Digital M.O.P.: Up / down / hold / reset reference
  • Bias and gain: All analog and pulse train I/O
  • Common DC bus capability: All models
  • Dynamic braking transistor: 20 HP and below (240 VAC), 25 HP and below (480 VAC)
  • DC bus choke: 25 HP and above (240 VAC) 30 HP and above (480 VAC)
  • Twelve-pulse capability: 25 HP and above (240 VAC), 30 HP and above (480 VAC)
Service Conditions
  • Enclosure: NEMA 1 or protected chassis
  • Ambient service temperatures:
    -10 to 40°C (104°F) NEMA 1,
    -10 to 45°C (113°F) protected chassis
  • Input frequency: 50 / 60 Hz ± 5%
  • Input voltage: +10% / -15%, 3 phase, 240 or 480 VAC, phase insensitive
  • Humidity: Non-condensing, 95% maximum
  • Altitude: 3300 feet (1000 meters) w/o derate
  • Vibration: 1G (10 to 20 Hz), 0.6G or less (20 to 55 Hz)
Three-Level 480V Inverter Benefits
  • Lead length: Meets NEMA MG1 Part 31
  • Four times the motor bearing life
  • Quiet operation: 5-10 dB of noise reduction
  • Common mode current: 50% reduction