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Waveshare Digital I/O

Waveshare · 8 digital in, 8 digital out

Waveshare Digital I/O
Manufacturer
Waveshare
Product
8 digital in, 8 digital out
Protocol
Modbus
Updated
2025-01-16
Driver ID
272

Notes

Modbus/RTU connected expansion module with 8 digital inputs, and 8 digital outputs.

Default 9600 bps, Address 1
Speed register 8192 (raw). 1=9600, 2=19200
Address register 16384 (raw).

Connect :
485 - -> ezeio D0
485+ -> ezeio D1
GND -> ezeio 0V
7+35V -> ezeio +V

Registers 16

#NameUnitDescription
1Input 1
2Input 2
3Input 3
4Input 4
5Input 5
6Input 6
7Input 7
8Input 8
9Output 1
10Output 2
11Output 3
12Output 4
13Output 5
14Output 6
15Output 7
16Output 8

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