The **M2UDS-J0-R2** is a specific model within the **M2 Series** of ultra-slim plug-in signal conditioners, typically manufactured by **M-System** (now MG CO., LTD). This specific unit is a **Potentiometer Transmitter**. --- ### 1. Part Number Breakdown Understanding the suffix codes is essential for identifying the electronic specifications of this unit: | Code Segment | Description | Specific Value for M2UDS-J0-R2 | | :--- | :--- | :--- | | **M2UDS** | Model Series | Potentiometer Transmitter (Ultra-slim) | | **J** | Input Signal | Potentiometer (Total resistance 100 $\Omega$ to 10 k$\Omega$) | | **0** | Output Signal | 0 – 5V DC | | **R2** | Power Supply | 11 - 27V DC | --- ### 2. Key Electronic Specifications The M2UDS-J0-R2 is designed to convert a resistance position (from a potentiometer) into a standard analog voltage signal. #### Input Characteristics * **Input Type:** 3-wire potentiometer. * **Resistance Range:** Total resistance between 100 $\Omega$ and 10 k$\Omega$. * **Excitation Voltage:** Approximately 0.5V DC. #### Output Characteristics * **Output Signal:** 0 – 5V DC. * **Load Resistance:** Minimum 5000 $\Omega$. * **Response Time:** $\leq$ 0.5 seconds (0 – 90%). #### General Performance * **Accuracy:** $\pm$0.1% of span. * **Temperature Coefficient:** $\pm$0.015% per °C. * **Isolation:** 2000V AC @ 1 minute (Input to output to power to ground). --- ### 3. Physical & Installation Features The unit is characterized by its "Ultra-slim" profile, which is highly efficient for high-density DIN rail mounting. * **Construction:** Terminal block base and main body (Plug-in structure). * **Wiring:** M3 screw terminals. * **Adjustments:** Front-facing Zero and Span adjustments (multi-turn potentiometers). * **LED Indicator:** Power indicator LED provided on the front panel. --- ### 4. Typical Applications * **Position Sensing:** Converting the position of a motorized valve or linear actuator into a PLC-readable 0-5V signal. * **Signal Isolation:** Protecting sensitive control equipment from electrical noise or ground loops originating from the field potentiometer.