Toshiba G7 Low Voltage Severe Duty Industrial Drive

Toshiba Updated: 2007-07-17
Toshiba G7 Low Voltage Severe Duty Industrial Drive

Whether your requirements are a DC drive application or a new AC installation, the G7 Series PWM Adjustable Speed Drive is the clear choice. The G7 Series provides flux vector technology with or without using encoder feedback. It is engineered to offer tight control over both torque and speed while offering the industry’s most user-friendly operator interface. Designed to handle the most demanding conditions, the G7 drive continues to be the best choice in the industry for the most demanding applications.

G7 Standard Specifications
Model Range  1 - 150 HP  1 - 350 HP  1 - 15 HP  20 - 300 HP
Voltage Rating  200 - 240 V  380 - 480 V  520 - 600 V  520 - 600 V
Input Voltage Tolerance  ±10%  ±10%  +5% / -10%  ±10%
Voltage Regulation  Main Circuit Voltage feedback control (automatic regulation, 'fixed' and 'control off' selections)
PWM Carrier Frequency  Adjustable between 0.5 - 15 kHz (ASD specific, consult factory)
Control System  Sine Wave PWM System- Flux Field Current Vector Control
V/f Pattern  Open Loop Vector, Closed Loop Vector, Constant Torque, Variable Torque, Auto Torque Boost, Manual Torque Boost, 5-point V/f custom curve setting
Overload Current Rating  110% continuous, 150% for two minutes up to 100 HP, consult factory for ratings above 100 HP
Frequency Setting  Rotary Encoder integrated into EOI, 0 - 10 V, + -10 V, 4-20 mA, Binary Input, Motorized Potentiometer Input
Frequency Precision  Analog Input ±0.2% of the maximum output frequency, Digital Input ±0.01% of the maximum output frequency
Frequency Command Resolution  0.01 Hz Operation Panel, 0.1 Hz Analog Input, 10 to 12-bit A-D Converter
Output Frequency Range  0 - 299 Hz
Speed Regulation  Closed Loop (0.01%, 1000:1 speed range), Open Loop (up to 0.1%, 60:1 speed range)
Torque Setting  ±250% of the Rated Torque
Torque Regulation  Closed Loop (5%, ripple < 2%, ±100 range), Open Loop (10%, ripple < 3%, 50% to 100% range)
Discrete Input Terminals  Eight Discrete Input Terminals programmable to 68 functions. The number of terminals may be increased using optional hardware.
Analog Inputs  One 4 - 20 mA, one ±10 V and two 0 - 10 V (one of which is commonly used with a potentiometer)
Discrete Output Contacts  Three Output Contacts programmable to 60 functions
Analog Outputs  Two 4 - 20 mA/0 - 1 mA outputs programmable to 33 functions
Signal Isolation  Optional Three-Channel Signal Isolation for 4 - 20 mA input and the AM and FM outputs rated at 750 V
Control Board Communications Ports  RS232/485 and TTL Ports standard
Power Terminals  Input (L1, L2, L3), Output (T1, T2, T3), DCL (PO, PA), DBR (PA, PB), DC BUS (PA, PC)
Set Point Control (PID)  Proportional Gain, Integral Gain, Feedback Settings Upper / Lower Deviation Limits, Feedback Source Delay Filter, Feedback Settings Differential Gain
Control Power  DC Bus Control-Power for units up to the 6750B, allows control power ride-through during momentary power loss
Protective Functions  Fault input and outputs are fail-safe configured. Fault codes include: Overcurrent, Overvoltage, Heatsink Overheat, Load-side Short Circuit, Load Side Ground Fault, ASD Overload, Overcurrent During Start-Up, EEPROM Error, RAM Error, ROM Error, Communications Error, Armature Short, Auto-Tuning Error, Dynamic Braking Overcurrent, Dynamic Braking Resistor Overload, Emergency Stop, Undervoltage, Overtorque, Open Output Phase, Motor Overload, Loss of Feedback
Retry  ASD can clear fault upon trip automatically. Programmable to 10 times with wait time up to 10 seconds between retry
Restart  ASD will catch a freewheeling motor smoothly.
Ambient  Temperature: -10 to +40°C, 14 to 104°F, Humidity: 95% non-condensing
Installation  NEMA 1

Electronic Operator Interface (EOI)
LCD EOI (Liquid Crystal Display / Electronic Operator Interface)  240 x 64 graphics capable, back-lit LCD can display multiple parameters simultaneously. Keypad may be operated from an external power source. Software is flash upgradeable.
LED Indications  Run (Red) / Stop (Green), Local / Remote (Green), DC Bus Charge Indication (Red)
Keys  Local / Remote, Monitor / Program, Run, Enter, ESC, Stop / Reset, Up, Down
Rotary Encoder  Encoder with Integrated Enter Key for Frequency Setting and Parameter adjustments
Monitoring  Main Display shows two monitored items or can display up to 45 user-selected scrolling items including: Terminal Input / Output Status, Forward / Reverse, Frequency Setting Value, Output Frequency, Output Current, Output Voltage, Input Power, Output Power, Torque Current, Past Faults, Excitation Current, DBR Overload Ratio, ASD Overload Ratio, Motor Overload Ratio, PID Feedback Value, DC Voltage
Selectable Display Units  Completely configurable along with Scaling Factor Multiplier, Current Display selectable between Amps or %, Voltage Display selectable between Volts or %
EOI Communications Ports  RS232/485 and TTL Ports standard
Remote-Mount Display  Remote mountable up to 1000' away from the ASD