HAS-G6-R
AI

The **HAS-G6-R** is a specific electronic component, typically identified as a **Hall Effect Current Sensor** manufactured by **LEM**. It is designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic interface).
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### 1. Key Technical Specifications
The "G6" in the series often refers to specific sensitivity or aperture configurations, while the "R" suffix usually denotes a specific mounting style or RoHS compliance.
| Parameter | Typical Value / Range |
| :--- | :--- |
| **Sensor Type** | Open Loop Hall Effect |
| **Primary Nominal Current ($I_{pn}$)** | 600 A (typical for G6 series) |
| **Measuring Range** | Up to $\pm$ 900 A |
| **Supply Voltage ($V_c$)** | $\pm$ 15 V (Dual Supply) |
| **Output Signal** | Analog Voltage (typically $\pm$ 4V at $I_{pn}$) |
| **Accuracy** | $\pm$ 1% of $I_{pn}$ |
| **Frequency Bandwidth** | DC to 50 kHz |
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### 2. Internal Electronic Components
The device is an integrated module containing several critical sub-systems:
* **Magnetic Core:** A high-permeability ring that concentrates the magnetic flux generated by the primary conductor.
* **Hall Generator:** A semiconductor thin-film element placed in the air gap of the magnetic core. It produces a voltage proportional to the magnetic flux density ($B$).
* **Signal Conditioning Circuitry:**
* **Operational Amplifiers:** To boost the millivolt-level signal from the Hall element.
* **Temperature Compensation:** Internal resistors and diodes to offset thermal drift.
* **Voltage Regulator:** Ensures stable operation despite minor fluctuations in the $\pm$15V supply.
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### 3. Pinout and Connection Interface
The electronic interface usually consists of a 4-pin Molex or similar connector:
| Pin Number | Function | Description |
| :--- | :--- | :--- |
| **1** | $+V_c$ | Positive Supply (+15V) |
| **2** | $-V_c$ | Negative Supply (-15V) |
| **3** | **Output** | Analog voltage proportional to current |
| **4** | **0V** | Ground / Common Reference |
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### 4. Implementation Logic
The electronic operation follows this workflow:
1. **Current Flow:** Primary current flows through the center aperture.
2. **Magnetic Induction:** The core creates a magnetic field.
3. **Hall Effect:** The Hall sensor detects the field and outputs a small voltage ($V_h$).
4. **Amplification:** The internal electronics scale $V_h$ to a standard 0-4V range for use with PLCs, Microcontrollers, or Data Acquisition systems.
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What are the main advantages of using an Open Loop sensor like the HAS-G6-R over a Closed Loop sensor?
- ⤷ How do you calculate the output voltage for a specific current reading on this device?
- ⤷ What are the common causes of offset error in Hall Effect current sensors?