Based on the product code provided, this appears to be a specialized **Industrial Interface Module** (likely a Signal Conditioner or Isolator) from the **M2 Series** by manufacturers like **M-System**. Below is a breakdown of the electronic specifications and part nomenclature for the **M2RTS-R-21-R2/N**. --- ## 1. Product Identification Table | Component | Description | | :--- | :--- | | **Model** | M2RTS (RTD Transmitter / Signal Conditioner) | | **Input Type** | Resistance Temperature Detector (RTD) | | **Power Input** | 24V DC (Standard for R2 designation) | | **Output Type** | Dual Output (Isolation provided) | --- ## 2. Part Number Breakdown The alphanumeric string defines the specific electronic configuration of the unit: * **M2RTS**: Base model for a **Mini-M RTD Transmitter**. This device converts resistance signals from an RTD sensor into a linear DC voltage or current signal. * **R**: Indicates the input type is a Resistance Temperature Detector (e.g., Pt100). * **21**: * **2**: Output 1 (e.g., 4–20 mA DC). * **1**: Output 2 (e.g., 1–5V DC). * **R2**: Power supply requirement. Typically **24V DC**. * **/N**: Options code. Usually indicates **No specific custom option** or a standard compliant coating/terminal type depending on the regional factory. --- ## 3. Key Electronic Features ### Signal Conditioning & Isolation This part is designed to provide **3-way isolation**: 1. **Input to Output** 2. **Output to Power** 3. **Input to Power** This protects sensitive PLC/DCS control systems from ground loops and electrical noise common in industrial environments. ### Technical Specifications * **Accuracy:** Typically ±0.1% of span. * **Response Time:** Usually $\le$ 0.5 seconds (0 to 90%). * **Mounting:** Standard DIN rail mounting. * **Connection:** M3 screw terminals. * **Input Sensor:** Compatible with 3-wire RTDs (Pt100, JPt100, etc.). --- ## 4. Typical Wiring Configuration ```mermaid graph LR A[RTD Sensor] -- 3-wire -- B(M2RTS Transmitter) B -- Output 1 -- C[PLC/Controller] B -- Output 2 -- D[Local Display/Recorder] E[24V DC Power] -- Power -- B ``` ---