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WP9038 I/O expander

Wellpro · 6AI 4DI 4DO · WP9038ADAM

WP9038 I/O expander
Manufacturer
Wellpro
Product
6AI 4DI 4DO
Model
WP9038ADAM
Protocol
Modbus
Updated
2025-07-22
Driver ID
299

Notes

6 analog (4-20mA) inputs
4 digital inputs
4 digital (open collector) outputs

Default 9600/N81, address 1
To set speed, write to 101. 2=9600, 3=19200
To set address, write new address to 100.

Connect 
ezeio D0 -> 485B
ezeio D1 -> 485A
ezeio 0V -> Agnd
ezeio + -> AVcc

See documentation for module I/O wiring

Registers 14

#NameUnitDescription
1Analog Input 1mA
2Analog Input 2mA
3Analog Input 3mA
4Analog Input 4mA
5Analog Input 5mA
6Analog Input 6mA
7Digital Input 1
8Digital Input 2
9Digital Input 3
10Digital Input 4
11Digital Output 1
12Digital Output 2
13Digital Output 3
14Digital Output 4

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