Furthermore, the drive is equipped with a comprehensive suite of protection features. The manual details parameters for over-current protection, over-voltage protection, under-voltage protection, and over-heat protection. These safeguards are critical for extending the lifespan of both the motor and the drive itself, preventing catastrophic failures that can lead to costly downtime. The integration of a Programmable Logic Controller (PLC) logic within the drive parameters also allows for simple automation sequences to be executed without the need for an external controller.
S1 to S4: Multi-function digital inputs (forward, reverse, multi-speed).+10V, AI1, GND: External potentiometer or 0–10V analog input for frequency control.485+, 485-: Standard RS485 communication ports for PLC integration.RO1A, RO1C: Relay output for fault signaling or status monitoring. Basic Programming and Parameter Settings invt che100-0r7g-s2 manual
| Terminal | Signal | Description | | :--- | :--- | :--- | | L, N | Power Input | Single-phase 220V AC (L = live, N = neutral) | | U, V, W | Motor Output | Connect to 3-phase motor (0.75kW max) | | E | Ground | Earth ground (mandatory for safety and noise reduction) | | S1, S2, S3 | Digital Inputs | Multi-function inputs (default: FWD, REV, fault reset) | | +10V, AI1, GND | Analog Input | 0–10V speed reference (potentiometer wiring) | | TA, TB, TC | Relay Output | Fault indication relay (TA-TC = NO, TB-TC = NC) | Furthermore, the drive is equipped with a comprehensive
The manual lists default parameters. If you skip P0-02 to P0-05, the VFD will not deliver full torque, and the motor may overheat. Always enter the motor nameplate data. The integration of a Programmable Logic Controller (PLC)
| Parameter | Name | Recommended Value for 0.75kW Motor | | :--- | :--- | :--- | | P0-01 | Motor control mode | 0 (V/F control) or 1 (Sensorless vector) | | P0-03 | Max output frequency | 50.00 Hz (or 60.00 Hz for North America) | | P0-04 | Upper limit frequency | 50.00 Hz | | P1-00 | Motor rated power | 0.7 kW (or 0.75 kW depending on motor plate) | | P1-01 | Motor rated voltage | 220 V | | P1-02 | Motor rated current | Find value from motor nameplate (typical: 3.5–4.2A) | | P1-03 | Motor rated frequency | 50 Hz or 60 Hz | | P1-04 | Motor rated speed | e.g., 1420 RPM (for 4-pole 50 Hz) |