The **M2VT-A4-R2/N** is a specific model of an **Ultra-Slim Signal Conditioner (Isolator)** manufactured by **M-System**. It is designed to convert and isolate DC input signals into standardized DC output signals. --- ### 1. Technical Specifications Breakdown The alphanumeric code describes the specific electronic configuration of the device: | Part Segment | Specification | Description | | :--- | :--- | :--- | | **M2VT** | Model Series | Ultra-Slim Signal Conditioner (V-Unit series) | | **A** | Input | 4 to 20 mA DC | | **4** | Output | 0 to 10 V DC | | **R2** | Power Input | 11/27 V DC (Standard Ripple) | | **N** | Option | No special options (Standard) | --- ### 2. Key Electronic Components & Features #### Signal Isolation The device utilizes a **photocoupler** or **magnetic transformer** (depending on the internal generation) to provide 3-way isolation: * **Input to Output** * **Input to Power** * **Output to Power** * *Dielectric Strength:* Typically 2000V AC @1 minute. #### Output Drive Capability * **Voltage Output (0-10V):** The electronic circuit is designed to handle a load resistance of **10k $\Omega$ or more**. * **Zero/Span Adjustment:** Front-facing potentiometers (trimmers) allow for fine-tuning of the electronic calibration by $\pm 5\%$. #### Performance Metrics | Feature | Parameter | | :--- | :--- | | **Accuracy** | $\pm 0.1\%$ of span | | **Temperature Coefficient** | $\pm 0.015\%$ / °C | | **Response Time** | $\leq$ 0.5 seconds (0 – 90%) | | **Power Consumption** | Approx. 0.8 W | --- ### 3. Circuit Terminal Diagram The unit is mounted on a DIN rail and uses screw terminals for electronic interfacing: ```text [Top Terminals] 1 : Output (+) [0-10V] 2 : Output (-) [Bottom Terminals] 3 : Input (+) [4-20mA] 4 : Input (-) 5 : Power (+) [24V DC] 6 : Power (-) ``` --- ### 4. Application Use-Case Electronics engineers use the M2VT-A4-R2/N to bridge a current-loop sensor (like a pressure transmitter) to a PLC or Microcontroller that only accepts high-impedance voltage inputs. It protects the control system from ground loops and electrical surges originating in the field.