AS3 IIoT & Industry 4.0


  • Client

    Toshiba India Pvt. Ltd

  • Services

    It is used in Internet of Things (IoT) and Industry 4.0 automation

  • Technologies

    Motor control technology

  • Dates



The AS3 is Toshiba’s latest low voltage drive with enhanced real-time communications and advanced features. Equipped with embedded dual-port Ethernet/IP, the dual-rated AS3 is ready for use out-of-the-box with no optional devices needed. The AS3 meets the requirements of Internet of Things (IoT) and Industry 4.0 automation and features superior motor control technology and electrical circuit design for your application needs. 

AS3 Standard Specifications


1/2 to 100 HP Heavy Duty

1 to 125 HP Normal Duty

0.5 to 450 HP Heavy Duty

1 to 500 HP Normal Duty

Voltage Rating

Three-Phase 230 VAC

Three-Phase 230 VAC

Three-Phase 460 VAC

Three-Phase 460 VAC


Input Tolerance

Voltage: +10%, -15%; Frequency: ±5%

Output Frequency

0.01 to 590 Hz


Control Method

Sinusodial Pulse Width Modulation (PWM); Flux-Field Current Vector Control; Set Point Control (PID)

Voltage Regulation

Main Circuit Voltage Feedback Control: Automatic, Fixed, & Off

V/Hz Control

V/f Constant, Variable Torque, Automatic Torque Boost, Vector Control, PM Motor Control, 5-point V/F Custom Setting, & Auto-Tuning

PWM Carrier Frequency

Adjustable 1 to 16 kHz (For Drive Specific Information Consult Factory)

Frequency Setting

Capacitive Wheel Integrated into EOI, 0 to 10 VDC, ±10VDC, 4 to 20 mA, Digital Input, Binary Input, & Motorized Potentiometer Input

Frequency Precision

Analog Input ±0.5% of Maximum Output Frequency; Discrete/Communications Input ±0.01% of Maximum Output Frequency

Speed Regulation

Closed Loop (Up to 0.01%, 1000:1 Speed Range), Open Loop (Up to 0.1%, 60:1 Speed Range)

Main Protective Functions

Stall Prevention, Current Limit, Over-Current, Output Short Circuit, Over-Voltage, Over-Voltage Limit, Undervoltage, Ground Fault Detection, Input Phase Failure, Output Phase Failure, Overload Protection by Electronic Thermal Function, Armature Over-Current at Start-Up, Load Side Over-Current at Start-Up, Over-Torque, Undercurrent, Overheating, Cumulative Operation Time, Life Alarm, Emergency Stop, & Various Pre-alarms


User-Set Number of Retries for Automatic System Restart After Trip


Able to Smoothly Catch Freewheeling Motor (Bidirectional)

Overload Current Rating

150% for 1 Minute (Heavy Duty); 120% for 1 Minute (Normal Duty)


Digital Input

8 Discrete Input Terminals Programmable to 101 Functions (May Be Increased Using Optional Hardware)

Digital Output

3 Discrete Output Terminals Programmable to 127 Functions; 2 Form-A Contacts & 1 Form-C Contact

Analog Input

3 Programmable: One 4 to 20 mA Input, One 0 to 10 VDC Input, & One ±10 VDC Input

Analog Output

2 Programmable: 4 to 20 mA or 0 to 10 VDC

Communication Ports

2 Ports Ethernet IP; 2 RS485 Ports (TSB or MODBUS RTU Protocol)



Full English LCD Display for Programming, Monitoring & Diagnostics, Red Lit for Faults and Trips

LED Indicators

DC Bus Charge Indicator, Hand/Auto, Run/Stop


F1 to F4 Multifunction Keys, Esc, Hand/Auto, Run, Fwd/Rev, [i] Information Key, Stop/Reset & OK; Capacitive Touch Wheel for Parameter Navigation, Settings, & Control


Frequency Command Screen; Multiple Parameters Displayed: Output Frequency, Forward/Reverse Run, Output Current, Input Voltage (DC Detection), Output Voltage, Torque, Inverter Load Factor, Motor Load Factor, Braking Resistor Load Factor, Input Power, Output Power, Input Terminal status, Output Terminal Status, Overload/Regional Setting, PID Feedback Value, Stator Frequency, Parts Replacement Alarm, Cumulative Operation Time, & Past Trips



RAL 7016/7035 Gray; IP20 (up to 100 HP HD 460V, 125 HP ND 460V, 50 HP HD 230V, 60 HP ND 230V); Wall-Mount; Front-Access Only

Power Cables

Bottom Access for Input/Motor Cables


Self-Cooling/ Forced Air-Cooled

Standards & Compliances

UL Listed in US & Canada, CSA, & CE


Ambient Temperature

-15 to +60 C (Note: See Manual for Details, Ambient Temperatures Above 40°C May Require a De-Rate)


3300 ft. Above Sea Level (Up to 16,000 ft. with Derate)


95% Maximum (Non-Condensing)


Indoors; No Direct Sunlight; Protects from Corrosive Gas/Explosive Gas/Flammable Gas/Oil Mist/Dust; Vibration of Less Than 5.9 m/s2 (10 to 55 Hz)


It is used in Oil And Gas Industry, Chemical Industry.


Toshiba India Pvt. Ltd

Phone: 022 6191 1600