The **M5VS-A2-R** is a specific model of a **Signal Conditioner** (Slim-line type) manufactured by **M-System**. It is designed to take a DC input signal and isolate/convert it into a standardized DC output. --- ### 1. Technical Specifications The model code "A2-R" breaks down into specific electronic characteristics: | Part Component | Identification | Specification | | :--- | :--- | :--- | | **Input** | **A** | 4 – 20 mA DC | | **Output** | **2** | 0 – 10 V DC | | **Power Input** | **R** | 24 V DC | | **Response Time** | Standard | ≤ 0.5 seconds (0 – 90%) | | **Accuracy** | Tolerance | ±0.1% of span | --- ### 2. Key Electronic Features * **Galvanic Isolation:** This device provides 3-way isolation (Input to Output to Power). This prevents ground loops and protects sensitive PLC/DCS equipment from electrical surges on the field side. * **Slim-Line Design:** It has a 5.9 mm wide housing, allowing for high-density mounting on a DIN rail, saving significant control panel space. * **Active Powering:** Since it is a DC-powered unit (24V), it acts as an active converter, ensuring the output signal remains stable even if the input loop resistance changes. * **Status Indicator:** Typically includes a front-facing LED to indicate power status. --- ### 3. Connection Diagram (General) Below is a representation of the typical terminal layout for the M5-series signal conditioners: ```text TERMINAL ASSIGNMENT +-------+-------+ | (3) | (1) | <-- Input (4-20mA) | (4) | (2) | +-------+-------+ | (5) | (7) | <-- Output (0-10V) | (6) | (8) | <-- Power (24V DC) +-------+-------+ ``` --- ### 4. Comparison with Similar Models | Model | Input | Output | Power | | :--- | :--- | :--- | :--- | | **M5VS-A2-R** | 4-20 mA | 0-10 V | 24V DC | | **M5VS-AA-R** | 4-20 mA | 4-20 mA | 24V DC | | **M5VS-V2-R** | 0-10 V | 0-10 V | 24V DC |