Adjustable Signal Source & Variable Frequency:The module provides an adjustable analog signal source with variable frequency capability. Users can fine‑tune both voltage and frequency to meet specific test conditions, enabling accurate simulation of control signals for various devices. Ideal for Servo Transmitter & PLC Analog Control:Designed for servo systems and PLC analog input testing, this generator can output stable and signals to verify the performance of drives, actuators, controllers, and automation equipment before field deployment. Stable & Output:High‑stability components and circuit design ensure low noise, low drift, and reliable long‑term operation. This helps engineers and technicians perform accurate calibration, troubleshooting, and functional verification. Easy Operation & Clear Interface:User‑friendly controls and clear labeling make it simple to adjust parameters even for beginners. The compact form factor is convenient for bench use, field maintenance, and educational laboratories. Versatile Application Scenarios:For industrial automation commissioning, PLC analog input simulation, servo drive testing, inverter debugging, sensor signal simulation, and general electronic development and research. Product Technical Parameters: Supply voltage: 15-28VDC (24VDC recommended), built-in short-circuit protection Sampling resistor capacity: <50mA Output current: <24mA Minimum output current: <0.01mA Load capacity (sampling resistor): <500 ohms Color: As Shown Material: plastic Package Contents: 1*Digital Display Potentiometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.