Industrial 4 ch PWM pulse output module Modbus RTU RS485 interface adjustable frequency for Waveshare

<p>Industrial-grade isolated RS485 to PWM pulse output module. Four channels with independently adjustable frequency and duty cycle. Uses the Modbus RTU protocol and features built-in protection circuits, including power isolation, magnetic coupling isolation, a self-resetting fuse and TVS.</p> <p>Supports device address settings from 1 to 255, allowing multiple devices to be cascaded on the RS485 bus.</p> <p>The onboard voltage regulator chip supports a wide voltage range of 7 V to 36 V.</p> <p>The onboard integrated power isolation provides a stable isolation voltage, eliminating the need for an external power supply to the isolation terminals.</p> <p>The onboard integrated magnetic coupling isolation enables signal isolation, offering high reliability and strong anti-interference capability.</p> <ul> <li>Communication Interface: RS485</li> <li>Communication Baud Rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000</li> <li>Default Communication Format: 9600, N, 8, 1</li> <li>Modbus Protocol: Standard Modbus RTU Protocol</li> <li>Power Supply Voltage: DC 7 V – 36 V</li> <li>Output Voltage: Default 3.3 V, can be set to 5 V via an internal jumper cap</li> <li>Output Current: Signal type, &lt; 30 mA</li> <li>Pulse Frequency: 1 Hz – 200 kHz</li> <li>Frequency Resolution: 0.01 Hz</li> <li>Duty Cycle: 0–100%</li> <li>Duty Cycle Resolution: 0.01%</li> <li>Colour: Black</li> <li>Material: ABS</li> </ul> <p><strong>Package Contents:</strong></p> <ul> <li>1 × PWM Pulse Output Module</li> </ul> <p>Only the above package contents are included; other products are not included.</p> <p>Note: Light reflection and different display settings may cause the colour of the item in the picture to differ slightly from the actual product. The allowed measurement error is ±1–3 cm.</p>