G7 Drive

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