The **M2VT-31-R2/CE** is a high-performance, signal-conditioned transmitter (transducer) manufactured by **M-System**. It is specifically designed to convert a DC voltage or current input into a standardized DC output, providing isolation and signal stability. Below is a detailed breakdown of its electronic specifications and characteristics. --- ### 1. Technical Specifications The model name follows a specific nomenclature that defines its electronic capabilities: | Component | Code | Description | | :--- | :--- | :--- | | **Model** | M2VT | V-Network Signal Conditioner (Plug-in) | | **Input** | 3 | DC Current (e.g., 4 – 20 mA DC) | | **Output** | 1 | 4 – 20 mA DC | | **Power Supply** | R2 | 11/24 V DC | | **Standards** | CE | European Conformity (EMC and Low Voltage Directive) | --- ### 2. Key Electronic Features #### A. Signal Isolation The device features **3-way isolation**. This means the **Input**, **Output**, and **Power Supply** are all electronically separated from one another. * **Isolation Resistance:** $\ge 100\text{ M}\Omega$ with $500\text{ V DC}$. * **Dielectric Strength:** $2000\text{ V AC}$ @ 1 minute (Input to output to power to ground). #### B. Response & Accuracy * **Accuracy:** $\pm 0.1\%$ of span. * **Temperature Coefficient:** $\pm 0.015\% / ^\circ\text{C}$ ($\pm 0.008\% / ^\circ\text{F}$). * **Response Time:** $\le 0.5\text{ seconds}$ (0 – 90%). * **Ripple:** $0.25\% \text{ p-p}$ max. #### C. Circuit Protection The "CE" marking ensures the unit includes internal electronic filtering to withstand: * **EMI (Electromagnetic Interference):** Resistant to radio-frequency interference. * **Surge Protection:** Built-in protection against voltage spikes on the power line. --- ### 3. Pin Configuration (Electronic Interface) The unit typically uses an 8-pin base for electronic connections: | Pin No. | Function | Description | | :--- | :--- | :--- | | 1 | Output (+) | Positive DC Output | | 2 | Output (-) | Negative DC Output | | 4 | Input (+) | Positive DC Input | | 5 | Input (-) | Negative DC Input | | 7 | Power (U) | Positive Power Supply (24V) | | 8 | Power (V) | Negative Power Supply (0V) | --- ### 4. Physical Build * **Housing Material:** Flame-resistant resin (black). * **Mounting:** Surface or DIN rail. * **Adjustments:** Front-accessible **Zero** and **Span** adjustments (multi-turn potentiometers) for fine-tuning the electronic output.