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General Overview of INVT Che100 Series

  1. Model Interpretation: The model "Che100-0R7G-S2" can be interpreted as follows:

    • Che100: Series name.
    • 0R7G: The rated power or current, where "0R7" typically represents 0.7 kW (or close to 1 HP).
    • S2: This could represent the series, version, or a specific hardware configuration.

  2. Key Features: The Che100 series likely includes features such as:

    • Variable frequency drive for controlling motor speed.
    • High-performance vector control.
    • Simple and compact design.
    • User-friendly operation.

Chapter 7: Frequently Asked Questions (Based on Manual Clarifications)

5. Operational & Environmental Features

  • Installation: DIN rail or panel mounting (compact design)
  • Ambient temperature: –10°C to +40°C (derating above 40°C to max 50°C)
  • Altitude: <1000m (derating above)
  • Humidity: <90% (non-condensing)
  • Vibration resistance: 5.9 m/s² (0.6 g) at 10–55 Hz

3.3 Key Parameters for the 0R7G-S2

After wiring, you must program basic parameters via the keypad. The manual lists these as mandatory:

| 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) |

Crucial safety note from the manual: After changing P1-02 (motor current), perform a motor auto-tuning (P0-38 = 1 for static tuning) to optimize vector control.

3. I/O & Interface Features

  • Digital inputs: 6 (sink/source configurable)
  • Digital outputs: 2 (1 relay, 1 open collector)
  • Analog inputs: 2 (one 0–10V, one 0–10V or 4–20mA selectable)
  • Analog output: 1 (0–10V or 4–20mA)
  • Keypad: Built-in LED display with potentiometer and copy function (optional remote)

Part 2: Why You Need the Official INVT CHE100-0R7G-S2 Manual

Many users attempt to install a VFD using "general knowledge" or online forum advice. This is a dangerous mistake. The manual provides:

  1. Safe Wiring Diagrams: Incorrect wiring can destroy the VFD or cause electrical fires. The manual specifies the exact terminals for single-phase input (R, S, T – though only two are used for S2 models) and three-phase output (U, V, W).
  2. Parameter Tables (P0–Px): The CHE100 series uses a sophisticated parameter group structure. Without the manual, you cannot set motor nameplate data (P0-00 to P0-05), acceleration times (P1-xx), or control modes.
  3. Fault Code Index: When the VFD shows E.oC1, E.oU, or E.oH, the manual is the only reliable source for decoding the error and providing corrective action.
  4. Dimensions and Mounting: The manual provides cut-out dimensions, heat dissipation requirements, and clearance distances.

In short, the invt che100-0r7g-s2 manual is mandatory for safety, performance, and longevity.

Introduction

The INVT CHE100-0R7G-S2 is a compact, high-performance variable frequency drive (VFD) designed for controlling single-phase AC motors. As part of INVT’s renowned CHE100 series, this specific model—denoted by 0R7G (0.75kW) and S2 (single-phase 220V input)—is widely used in small conveyors, fans, pumps, and industrial machinery.

However, like any sophisticated electronic device, its full potential is only unlocked through proper configuration. This is where the INVT CHE100-0R7G-S2 manual becomes indispensable. Whether you are an electrician, maintenance engineer, or a DIY automation enthusiast, this article serves as a comprehensive companion to the official manual, covering installation, parameter settings, fault codes, and where to download the latest PDF.

3. Analog Input Scaling

The 0R7G-S2 has a 0–10V analog input on A1. The manual details how to use P4-00 (lower limit) and P4-01 (upper limit) to scale a 0–10V signal from a PLC or potentiometer.

1. Basic Specifications (Model breakdown)

  • Model: CHE100-0R7G-S2
  • Power rating: 0.75 kW (0.75 kilowatt, ~1 HP)
  • Input: Single-phase 220V AC (±15%)
  • Output: Three-phase 0–220V AC
  • Output current rating: Approx. 4.0–4.5 Amps (check exact manual value)