2DI I/O Module

I/O Module、、、、

Y301-200 Dual Digital Input Modbus Module

Model: Y301-200

Key Features

  • Dual opto-isolated DI channels accept dry contact or 5–36 V wet signals

  • Pulse counting up to 1 kHz with selectable edge and programmable debounce

  • Supports local linkage to DO modules via automation rules and event reporting

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Overview

Miniature Modbus-RTU node offering two opto-isolated digital inputs with pulse counting and debounce for compact alarm and status monitoring panels.

Key Features

  • Dual opto-isolated DI channels accept dry contact or 5–36 V wet signals

  • Pulse counting up to 1 kHz with selectable edge and programmable debounce

  • Supports local linkage to DO modules via automation rules and event reporting

  • 9–36 VDC input with reverse polarity, state retention, and RS485 Modbus-RTU/ASCII

Specifications

Power SupplyVoltageDC 5~36V
Typical Current≈100 mA @ 12V
ProtectionReverse polarity, hardware watchdog
Operating Temperature-40°C ~ +85°C
Digital InputsChannels2
TypeOpto-isolated dry/wet contact
Voltage Range5~36V (wet mode)
Sampling Rate100 Hz
Pulse Counter32-bit, rising/falling selectable
Debounce5–255 ms (default 50 ms)
CommunicationInterfacesRS485 (default), RS232, TTL optional
ProtocolModbus-RTU slave
Baud Rate600–230400 bps (9600 default)
Slave Address1–255 software configured
MechanicalDimensions77.4 × 22.5 × 16.2 mm
Mounting35 mm DIN rail or dual M3 screws
ProtectionIP20, UL94 V-0 enclosure

Documentation & Support