Description

The EM AQ04 is a 4-channel analog output module in the Siemens S7‑200 SMART PLC family, providing scalable analog control for a wide variety of industrial processes. Each output can be configured for 0–10 V DC or 4–20 mA, allowing flexibility to suit different field devices. This module is particularly useful in applications requiring multiple independent analog outputs, such as speed regulation of multiple motors or simultaneous control of pressure, temperature, and flow. Offering 11-bit resolution, EM AQ04 ensures precision control with smooth transitions and minimal signal distortion. It features built-in electrical isolation between the field side and internal logic, safeguarding system components from electrical faults. Diagnostic features like short-circuit detection, signal overflow, and wire break alerts help ensure reliability and simplify troubleshooting. The AQ04’s compact footprint enables efficient DIN rail installation, while automatic signal mapping and user-friendly configuration in STEP 7 Micro/WIN SMART reduce engineering time and increase deployment efficiency.