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

I/O Module、、、、、

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

Model: Y301-222

Key Features

  • 2DI + 2DO + 2AI module with SPDT relays and 12-bit analog sampling

  • Analog inputs selectable for 0–10 V or 4–20 mA with register ×0.001 scaling

  • DI channels support pulse counting, wet/dry detection, and software debounce

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Overview

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

Key Features

  • 2DI + 2DO + 2AI module with SPDT relays and 12-bit analog sampling

  • Analog inputs selectable for 0–10 V or 4–20 mA with register ×0.001 scaling

  • DI channels support pulse counting, wet/dry detection, and software debounce

  • 9–36 VDC supply, DO retention, RS485 Modbus-RTU/ASCII plus automation scenes

Specifications

Power SupplyVoltageDC 5~36V
Typical Current150 mA @ 12V
Max Current200 mA @ 12V
Operating Temperature-40°C ~ +85°C
Humidity5~95% RH
Digital InputsChannels2
TypeDry/wet contact, optically isolated
Voltage Range5~36V (wet mode)
Sampling Rate100 Hz
Pulse Counter32-bit, rising/falling selectable
Debounce5–255 ms (default 50 ms)
Digital OutputsChannels2
TypeSPDT relays
Contact RatingAC 277V 10A / DC 28V 10A
Switching Time
Minimum LoadAC 10V 10 mA
State RetentionNone / soft reboot / power-cycle configurable
Analog InputsChannels2
Modes0–10V or 4–20 mA selectable per channel
Accuracy±1% FS
Resolution16-bit
Sampling Rate10 Hz per channel
CommunicationInterfacesRS485 (default), RS232, TTL optional
ProtocolModbus-RTU slave
Baud Rate600–230400 bps (default 9600)
Slave Address1–255 (software) + DIP offset 0–31
MechanicalDimensions82 × 54 × 32 mm
Mounting35 mm DIN rail or M3 screws
ProtectionIP20, UL94 V-0 enclosure

Documentation & Support