
iS7
3 phase 0.75 – 375kW
by LSIS
TECHNICAL DATA
iS7 Series – High-Performance Dual-Rated VFDs
Three-phase | 0.75 to 375 kW
Key Features
- Dual rating: Constant torque / Variable torque
- Selectable control modes:
- V/f (Voltage/Frequency)
- V/f PG (with pulse generator feedback)
- Sensorless vector control
- Sensored vector control
- High-speed processing: 150 MIPS (Million Instructions Per Second) DSP for fast and accurate control
Advanced Functions & Performance
- Droop control for automatic torque balance in multi-motor systems
- KEB (Kinetic Energy Buffering) protection
- Ride Through (LV Trip Delay) protection
- Under Load Trip protection
- PMSM sensorless vector function for Permanent Magnet Synchronous Motors
- Power brake & Flux brake functions for enhanced braking performance
- Static motor parameter auto-tuning for optimal motor matching
Ease of Use & Flexibility
- Easy Start Mode for fast setup
- User & Macro group for customized parameter sets
- Multi-Function Key for quick access to essential functions
- Second motor control and independent parameter set (sensorless)
Mechanical & Built-in Features
- Available IP54 enclosure (0.75–22 kW [1–30 HP]) as a built-in option
- Built-in RS485 communication (LS Bus / Modbus RTU)
- Built-in dynamic braking transistor (0.75–22 kW [1–30 HP])
- Optional built-in EMC Filter and DC Reactor:
- EMC Filter (0.75–22 kW [1–30 HP])
- DC Reactor (0.75–220 kW [1–215 HP])
Control & User Interface
- Wide graphic LCD keypad, supporting 6 languages for intuitive operation
- Extension I/O boards (optional): up to 11 inputs and 6 outputs
- Optional PLC board (Master-K platform): up to 14 inputs and 7 outputs
Optional Communication Boards
- Profibus-DP
- DeviceNet
- Modbus TCP
- Rnet
- LonWorks
- CANopen
Software & Monitoring
- PC-based monitoring and commissioning software: Drive View