8-Channel Isolated Digital Input Module

I/O Module, , , ,
Y301-800 8-channel isolated digital input module for IoT

Y301-800 8DI Modbus Digital Input Module

Model: Y301-800

Key Features

  • Eight opto-isolated digital input channels for dry-contact or active-input wiring

  • Supports Modbus RTU and Modbus ASCII over RS485 or RS232

  • Broadcast-friendly commissioning with default 9600, N, 8, 1 serial settings

Overview

RS485/RS232 Modbus-RTU input concentrator with eight optically isolated channels for multi-loop monitoring and alarm aggregation.

Key Features

  • Eight opto-isolated digital input channels for dry-contact or active-input wiring

  • Supports Modbus RTU and Modbus ASCII over RS485 or RS232

  • Broadcast-friendly commissioning with default 9600, N, 8, 1 serial settings

  • 7 to 30 VDC supply with 35 mm DIN-rail mounting for general cabinet switch monitoring

Specifications

Power SupplyVoltageDC 7~30V
Operating Temperature-40°C ~ +85°C
Mounting35 mm DIN rail
Digital InputsChannels8
Input TypeOpto-isolated discrete input
Wiring ModeDry contact / active input
Active Input Voltage3.3~24V DC
Read MethodFunction code 0x02 (discrete inputs)
CommunicationInterfacesRS485 / RS232
ProtocolModbus RTU / Modbus ASCII
Default Serial Format9600, N, 8, 1
Optional Baud Rates2400 / 4800 / 9600 / 19200 / 38400 bps
Address Range0~255 (broadcast address 254)
MechanicalDimensions120 x 70 x 35 mm
WeightApprox. 60 g

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