Y311-010/020-W/R Remote I/O Module Technical Manual

Model	DI	DO	Connectivity
Y311-010-W	0	1 x 10 A	2.4 GHz WiFi (AP/STA)
Y311-010-R	0	1 x 10 A	10/100M RJ45 Ethernet
Y311-020-W	0	2 x 10 A	2.4 GHz WiFi (AP/STA)
Y311-020-R	0	2 x 10 A	10/100M RJ45 Ethernet

This manual applies to both W and R variants. They share the same relay logic and Modbus register map; the main difference is the network interface and default network settings.

Default Settings

Parameter	Default
Device address	`0xFE` broadcast
Baud rate	9600 bps, 8-N-1

Variant	Default network	Default IP	Default port
`W`	WiFi AP	`192.168.16.254`	60000 / 10000
`R`	RJ45 Ethernet	`192.168.1.7`	10000

Register Summary

Address	Description
00001	DO1 control / status
00002	DO2 control / status (`020` only)
4x1001	Baud rate
4x1002	Reserved
4x1003	Device address
4x1004	User parameter 1
4x1005	User parameter 2
3x0002	Relay state bits

Example Commands

text

Read relay state: FE 01 00 00 00 02 BD C4
DO1 ON:           FE 05 00 00 FF 00 98 35
DO1 OFF:          FE 05 00 00 00 00 D9 C5