Features: Wide voltage input range, 12V output power control board, supports bidirectional conversion between RS485 and serial ports, and includes ESD protection, reverse-polarity protection, and overvoltage protection. Provides robust current capacity to ensure stable operation of the downstream load.

Application: Primarily used for industrial field data acquisition and small-scale measurement and control terminal devices. It can step down external wide-range input voltages to 12 V, providing stable power supply for downstream peripherals such as sensors, actuators, and serial port modules; additionally, it integrates bidirectional RS485-to-serial port conversion to enable data communication between the master control device and the field terminal.

Main power supply: allowable input voltage range is 4V–24V.

Control voltage input: outputs DC 12V/2A.

Dimensions: 36 mm × 36 mm.

Two positioning holes: diameter 2.2 mm.