## M2VF-44W-R/N Signal Conditioner (M-System) The **M2VF-44W-R/N** is a high-performance, plug-in signal conditioner (isolator) manufactured by M-System. It is specifically designed to take one analog input and provide two isolated analog outputs (Dual Output). ### 1. Model Code Breakdown Understanding the specific electronic configuration through the model suffix: | Code Segment | Description | | :--- | :--- | | **M2VF** | Series: V-Unit series Signal Conditioner (Dual Output) | | **4** | Input: 0 – 10V DC | | **4** | Output 1: 0 – 10V DC | | **W** | Output 2: 0 – 10V DC | | **R** | Power Input: 24V DC | | **N** | Standards: No CE marking (Standard Japanese/General use) | --- ### 2. Key Electronic Specifications The internal electronics are designed for high dielectric strength and signal integrity. * **Isolation Structure:** 4-way isolation (Input to Output 1 to Output 2 to Power). This prevents ground loops and protects sensitive PLC/DCS inputs. * **Response Time:** $\le$ 0.5 seconds (0 – 90%). * **Temperature Coefficient:** $\pm$ 0.015% per degree Celsius. * **Line Voltage Consumption:** Approximately 2W at 24V DC. * **Input Resistance:** 1 M$\Omega$ minimum (High impedance to ensure no loading on the source). * **Output Load Resistance:** 2 k$\Omega$ minimum for 0-10V range. --- ### 3. Wiring Configuration The unit uses a M3 screw terminal base. Below is the standard pin layout for this specific model: | Terminal No. | Function | Connection | | :--- | :--- | :--- | | **1** | Output 1 (+) | 0–10V Device | | **2** | Output 1 (-) | Common | | **3** | Output 2 (+) | 0–10V Device | | **4** | Output 2 (-) | Common | | **5** | Input (+) | 0–10V Source | | **6** | Input (-) | Common | | **7** | Power (L+) | 24V DC | | **8** | Power (N-) | 0V DC | --- ### 4. Adjustments and Calibration The front panel contains two electronic trim potentiometers (trimmers) for field calibration: 1. **Zero Adjustment:** Used to offset the 0V output point (typically $\pm$ 5% range). 2. **Span Adjustment:** Used to calibrate the full-scale 10V output point (typically $\pm$ 5% range). --- ### 5. Application Use-Case This part is used when a single 0-10V sensor signal needs to be sent to two different electronic devices simultaneously—for example, a **Local Digital Indicator** and a **Remote PLC Analog Input Card**—without the two devices interfering with each other's electrical signals.