4DI+4DO+4AI I/O Module

Y301-444 I/O module with 4DI 4DO 4AI ports

Y301-444 4DI+4DO+4AI Modbus I/O Module

Model: Y301-444

Key Features

  • 4DI + 4DO + 4AI combines relay control with 16-bit analog feedback

  • Analog inputs selectable for 0–10 V, 0–5 V, or 4–20 mA with per-channel calibration and status bits

  • Automation allows DI/AI driven DO logic, timers, and remote overrides

Overview

Hybrid Modbus-RTU module that combines four opto-isolated inputs, four 10A relays, and four high-accuracy analog inputs for process-driven automation over RS485 or RS232.

Key Features

  • 4DI + 4DO + 4AI combines relay control with 16-bit analog feedback

  • Analog inputs selectable for 0–10 V, 0–5 V, or 4–20 mA with per-channel calibration and status bits

  • Automation allows DI/AI driven DO logic, timers, and remote overrides

  • 9–36 VDC supply, DO retention, RS485 Modbus-RTU/ASCII with DIP addressing

Specifications

Power SupplyVoltageDC 5~36V
Typical Current200 mA @ 12V (all DO off)
Max Current280 mA @ 12V (four relays on + AI sampling)
Operating Temperature-40°C ~ +85°C
Humidity5% ~ 95% RH, non-condensing
Digital InputsChannels4
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 OutputsChannels4
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
Analog InputsChannels4
Input Type0-10 V / 0-5 V / 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
MechanicalDimensions145 x 90 x 40 mm
Mounting35 mm DIN clip or screw slots
ProtectionIP20

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