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+55 47 3209-1203
+55 47 99205-7963
Variable Frequency Drives

PI550
Provolt

The PI550 line offers robust and versatile variable frequency drives for demanding industrial applications. With a wide power range (5 to 600 hp) and 220 V and 380–480 V options, they provide precise motor control with high energy efficiency. They feature advanced vector control, comprehensive protection, industrial communication (Modbus/RS485), and intelligent functions such as auto-tuning and built-in PID. Ideal for pumps, fans, compressors, textile machinery and automated systems.

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Variable frequency drive

Efficiency

PI550 drives provide high energy efficiency, reducing consumption and operating costs through precise vector control and automatic motor optimization.

Quality

Designed with 32-bit DSP technology and high-grade components, they provide robustness, reliability and long service life even in demanding industrial applications.

Control

They provide multiple control modes (V/F, vector with and without encoder), integrated PID and extensive parameterization, ensuring precision, stability and superior motor-drive performance.

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Technical Specifications

Parameter Specification
Power Supply 1Ø 220–240 V AC / 3Ø 220–240 V AC / 3Ø 380–480 V AC – 50/60 Hz (±5%)
Input Voltage Range 220 V: -15% to +10% | 380–480 V: -15% to +10%
Output Frequency 0 – 300 Hz (Vector Control) / up to 3200 Hz (V/F)
Control Mode V/F, Sensorless Vector Control (SVC), and Vector Control with Encoder (VC)
Available Power 0.75 kW to 450 kW (1 to 600 HP)
Overload Capacity 150% for 60 s (SVC) / 180% for 10 s (VC)
Starting Torque 150% at 0.5 Hz (Sensorless Vector Control)
Digital Inputs 8 programmable (NPN or PNP, 9–30 VDC)
Analog Inputs 3 inputs (0–10 V / 0–20 mA)
Outputs 2 digital, 2 analog (0–10 V / 0–20 mA), 2 relay, 1 pulse output
Communication RS485 / RS232 (Modbus RTU) – Optional: PROFINET, PROFIBUS-DP, CANopen
Integrated Functions Internal PID, Auto-Tuning, Multi-speed (up to 15 steps), AVR, DC Braking, Torque Control
Protections Overvoltage, Undervoltage, Overcurrent, Overload, Overtemperature, Phase Fault, Ground Fault, IGBT Protection
Protection Rating IP20
Operating Temperature -10°C to 40°C (up to 50°C with derating)