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Industrial 8-channel PWM input module with RS485 interface and Modbus RTU protocol, enabling measurement of PWM signal frequency and duty cycle with galvanic isolation. Supply voltage 7-36 V. Waveshare Modbus RTU PWM Input 8CH
Industrial module designed for measuring PWM signals via RS485 interface using Modbus RTU protocol. The device supports eight independent input channels, enabling acquisition of pulse frequency and duty cycle, allowing monitoring of sensors, encoders, PWM controllers, and other digital signal sources.

Communication via RS485 bus enables operation in distributed systems and integration of multiple devices within a single network. Configurable device address allows simultaneous use of multiple modules in one installation.

The module features galvanic isolation for both power and signal lines, improving noise immunity and operational safety in industrial environments. Built-in protection circuits such as resettable fuse and TVS diode protect against overvoltage, overcurrent, and electrostatic discharge.
The enclosure is suitable for DIN rail or wall mounting, enabling installation in control cabinets, automation systems, and industrial environments requiring stable and reliable operation.
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Industrial 8-channel PWM input module with RS485 interface and Modbus RTU protocol, enabling measurement of PWM signal frequency and duty cycle with galvanic isolation. Supply voltage 7-36 V. Waveshare Modbus RTU PWM Input 8CH