Waveshare Industrial 8-Ch Digital Input & Output Module, DC 7~36V Wide Voltage Power Supply, Modbus RTU Protocol


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Approx Restocking Date: 5th June, 2024
SKU: 1878530
  1. Power Supply Voltage: DC 7~36V
  2. Communication Interface: RS485
  3. No. of I/Os: Digital Input 8, Digital Output 8


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Category: USB Interface Module

The Waveshare Industrial 8-Ch Digital Input & Output Module offers robust and versatile digital signal processing capabilities for industrial applications. With support for a wide voltage power supply range of DC 7 to 36V, it ensures compatibility with various power sources commonly found in industrial environments. This flexibility enables seamless integration into different systems without the need for additional voltage regulation components.

Featuring 8 channels for both digital input and output, this module provides ample connectivity for interfacing with external sensors, actuators, and other devices. Its Modbus RTU protocol support facilitates easy communication and data exchange.

Designed for reliability and durability in demanding industrial environments, the module boasts robust construction and industrial-grade components to withstand harsh operating conditions such as temperature variations, electrical noise, and vibration. Its compact form factor allows for convenient mounting in space-constrained environments, while its user-friendly interface simplifies installation and configuration.

Overall, the Waveshare Industrial 8-Ch Digital Input & Output Module provides a reliable, versatile, and easy-to-use solution for digital signal processing in industrial automation, monitoring, and control applications.


  1. Configurable device address (1~255), multi-devices can be cascaded on RS485 bus
  2. Built-in bi-directional optocoupler isolation for each input
  3. Onboard unibody power supply isolation, provides stable isolated voltage and needs no extra power supply for the isolated terminal
  4. Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference
  5. Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, provide over-current/over-voltage proof, lightning proof & anti-electrostatic
  6. Supports passive and active digital input, with bi-directional optocoupler isolation, a built-in debouncing algorithm. Supports DI/DO linkage control or DO toggle control
  7. The output utilizes Darlington transistors with optocoupler isolation, provides stronger driving capability with up to 500mA sinking current, built-in flyback diode protection
  8. Features flash-on, and flash-off functions, by passing an argument to the command, it is possible to turn on the output for a while and then close it automatically
  9. Rail-mount case design, support stacking combination, easy to install and safer to use
  10. Multiple LEDs for indicating the input & output status, MCU status, and signal transceiving status.

Package Includes:

1 x Waveshare Industrial 8-Ch Digital Input & Output Module, DC 7~36V Wide Voltage Power Supply, Modbus RTU Protocol

SKU: 1878530 Category:
Power Supply Voltage

DC 7~36V

Communication Interface


Baud Rate (bps)

115200, 128000, 19200, 256000, 38400, 4800, 57600, 9600

No. of I/Os

Digital Input 8, Digital Output 8

Input Type


Output Type


Max. Output Load

500mA per channel

Shipping Weight 0.175 kg
Shipping Dimensions 14 × 10 × 5 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China