I/O Module - Holdingbyte

IO Controller (Y301)

The Y301 series products support multi-channel dry/wet node detection, supports multi-channel relay outputs, analog inputs(in cludes voltage and current), and digital inputs

Supports dry contact and wet node
Supports RS485
Relay outputs are compatible with voltages up to 230V
Supports AT commands

4G I/O Module (Y312)

A remote monitoring and control device that provides a reliable and stable 4G network connection. The module supports 4G, RS485, digital input, analog input, and output.

Supports RS485
Ouputs support 220VAC/10A or 30VDC/10A
Supports digital & analog input

4G I/O Module (Y311)

A lightweight 4G I/O control module that supports one DO channel and one DI channel.

Lightweight for DIY
1 IO & DI

4G I/O control Y311