2DI+2DO+2AI I/O Module

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Y301-222 I/O module with 2DI, 2DO, and 2AI channels for industrial IoT

Y301-222 2DI+2DO+2AI Modbus I/O Module

Model: Y301-222

Key Features

  • 2DI + 2DO + 2AI module with SPDT relays and 16-bit analog sampling

  • Analog inputs support 0-10 V or 4-20 mA per channel

  • Built-in automation engine with up to 4 local rules total, 2 per DO channel

Overview

Compact Modbus-RTU node combining opto-isolated inputs, 10A relay outputs, and dual 0–10 V / 4–20 mA analog inputs for hybrid monitoring and control tasks over RS485 or RS232.

Key Features

  • 2DI + 2DO + 2AI module with SPDT relays and 16-bit analog sampling

  • Analog inputs support 0-10 V or 4-20 mA per channel

  • Built-in automation engine with up to 4 local rules total, 2 per DO channel

  • 5 to 36 VDC input with RS485 Modbus RTU by default and optional RS232 or TTL variants

Specifications

Power SupplyVoltageDC 5~36V
Typical Current150 mA @ 12V (all DO off)
Max Current200 mA @ 12V (two relays on + AI sampling)
Operating Temperature-40°C ~ +85°C
Humidity5% ~ 95% RH, non-condensing
Digital InputsChannels2
TypeDry/wet contact, opto-isolated
Voltage Range5~36V (wet contact mode)
Input Current
Sampling Rate100 Hz
Pulse Counter32-bit, selectable rising/falling edge
Debounce5~255 ms (default 50 ms)
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 / power-cycle retention
Analog InputsChannels2
Input Type0-10 V or 4-20 mA, configurable per channel
Resolution16-bit
Accuracy+/-1% FS
Sampling Rate10 Hz
Overvoltage Protection+/-30 V
CommunicationInterfacesRS485 (2-wire), optional RS232 or TTL
ProtocolModbus RTU slave
Baud Rate600~230400 bps (default 9600)
Slave Address1~255 (software) + DIP offset 0~31
MechanicalDimensions82 x 54 x 32 mm
Mounting35 mm DIN clip or screw slots
ProtectionIP20

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