The **M2VT-15D-R2** is a high-performance **V-Network Isolation Transmitter** (Signal Conditioner) manufactured by **M-System**. Its primary function is to receive a DC input signal and provide a galvanically isolated, proportional DC output signal. --- ### 1. Key Technical Specifications The model code `M2VT-15D-R2` breaks down into specific electronic characteristics: | Code Component | Feature | Description | | :--- | :--- | :--- | | **M2VT** | Model Series | Mini-M Series V-Network Isolation Transmitter | | **1** | Input | 0 – 10 mV DC | | **5** | Output | 0 – 5V DC | | **D** | Power Input | 24V DC | | **R2** | Design/Version | Standard version with specific terminal layout | --- ### 2. Core Electronic Functions This device serves three main purposes in an electronic control loop: 1. **Isolation (Galvanic Separation):** It provides a 3-way isolation between the **Input**, **Output**, and **Power Supply**. This prevents ground loops, protects sensitive PLC/DCS inputs from high-voltage surges, and reduces electrical noise. 2. **Signal Conversion:** It converts low-level millivolt signals (0-10mV) into standard industrial voltage levels (0-5V) suitable for analog-to-digital converters. 3. **Impedance Matching:** It features a high input impedance to avoid loading the source sensor and a low output impedance to drive the receiving device effectively. --- ### 3. Hardware Layout & Connections The unit is designed for DIN-rail mounting and typically features the following terminal configuration: * **Input Terminals:** Connected to the sensor or millivolt source. * **Output Terminals:** Connected to the controller (PLC/DCS/Data Logger). * **Power Terminals:** Dedicated 24V DC input. * **Front Adjustments:** * **ZERO:** Potentiometer to adjust the 0% output level. * **SPAN:** Potentiometer to adjust the 100% output level. --- ### 4. Technical Performance Data * **Accuracy:** Typically ±0.1% of span. * **Response Time:** ≤ 0.5 seconds (0 – 90%). * **Insulation Resistance:** 100 MΩ or more with 500V DC. * **Dielectric Strength:** 2000V AC @ 1 minute (Input to output to power to ground). ---