2DO I/O Module

I/O Module, , , ,
Y301-020 2DO I/O module with SPDT relays for industrial automation

Y301-020 Dual Relay Output Modbus Module

Model: Y301-020

Key Features

  • Two SPDT relay outputs rated 277 VAC 10 A or 28 VDC 10 A

  • Supports output retention modes for none, soft reboot, or full retention

  • RS485 Modbus RTU by default with optional RS232 or TTL variants

Overview

Miniature Modbus-RTU relay node that delivers two SPDT outputs for pumps, valves, or lighting loads inside space-constrained control boxes.

Key Features

  • Two SPDT relay outputs rated 277 VAC 10 A or 28 VDC 10 A

  • Supports output retention modes for none, soft reboot, or full retention

  • RS485 Modbus RTU by default with optional RS232 or TTL variants

  • 5 to 36 VDC industrial supply in a compact DIN-rail or screw-mount enclosure

Specifications

Power SupplyVoltageDC 5~36V
Typical Current80 mA @ 12V (all DO off)
Max Current120 mA @ 12V (all DO on)
Operating Temperature-40°C ~ +85°C
Humidity5% ~ 95% RH, non-condensing
Digital OutputsChannels2
TypeSPDT relay
Contact Rating277 VAC 10 A / 28 VDC 10 A
Minimum Load10 VAC 10 mA
Switching Time
Electrical Life100k cycles at rated load
Output RetentionNone / soft reboot / full retention
CommunicationInterfacesRS485 (2-wire), optional RS232 or TTL
ProtocolModbus RTU slave
Baud Rate600~230400 bps (default 9600)
Slave Address1~255 (software) + DIP offset 0~31
MechanicalDimensions77 x 54 x 32 mm
Mounting35 mm DIN clip or screw slots
ProtectionIP20

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