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8 Digital Input - 8 Digital Relay Output Module with Modbus TCP

MPN: AT-23433

Product
Product 1

Features and Benefits

  • 8-ch Digital Input 8-ch Digital Relay Output 
  • Protocols: MODBUS TCP
  • Configuration Tool: Web server & Ethernet Utility
  • Compact DIN-rail mountable design
  • Watchdog Timer System (2 second) & Communication

Certifications

Datasheet
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AT-23433 – 8 Digital Input & 8 Digital Relay Output Module with Modbus TCP
The AT-23433 is a robust and reliable 8-channel Digital Input and 8-channel Relay Output Module designed for seamless integration with industrial automation systems using Modbus TCP communication. It enables efficient monitoring and control of digital signals, making it ideal for process automation, remote I/O, and equipment control applications.
The module supports sinking-type digital inputs with 5000 Vrms isolation and provides relay outputs rated at 5A @ 250 VAC / 30 VDC, ensuring safe and reliable switching of both AC and DC loads. Its web-based configuration and Ethernet utility tools offer easy setup and real-time diagnostics.
Built in a durable mild steel enclosure with DIN rail mounting, the AT-23433 is engineered for industrial-grade performance, featuring watchdog protection, status indicators, and long operational life for reliable field deployment.

    Applications:
  • Industrial Process Automation
  • Remote Monitoring & Control Systems
  • Data Acquisition and Signal Conditioning
  • Building and Energy Management
  • Factory Monitoring and Control

    • Digital Inputs
    Channels 8
    Isolation voltage 5000Vrms
    Logic Level 1 Min. 6v
    Logic Level 0 Max. 5v
    Type of Inputs Sinking
    Digital Output
    Channel 8 Relay output
    Relay Type 1 form A(SPDT)
    Contact Material AgSnO2,AgNi
    Contact Rating 5A 250 VAC/30VDC
    Environment
    Operating Temperature 0°C - 60°C
    Storage Temperature 0°C - 70°C
    Operating Humidity 20-95% RH
    Ethernet Interface
    Network Protocols MODBUS TCP, TCP/IP, HTTP, DHCP, DNS, UDP, ARP
    Number of Ports 1
    Interface RJ-45 Female
    Full Duplex Mode Support IEEE 802.3x flow control
    Half Duplex Mode Support CSMA/CD Protocol
    Ethernet Port Specification RJ-45, 10/100 Mbit/s
    Standards and Certifications
    RoHS
    Resources Content
    Model Content

    Specifications

    Specification Tabs
    General Information
    Electrical Specifications
    Structure
    Environmental Specification
    Country of OriginIndia
    RFID Frequency125 KHz
    InstallationPlug-and-Play
    Weight150g
    Reading Distance1mm to 40mm
    Communication InterfaceUSB
    USB ClassHID
    Port 2RS-485 : D+, D-, GND
    Output FormatASCII (Decimal Tag Number)
    Card / Tag SupportedEM-4100 Tags, Passive Tags
    Compatible withWindows, Linux, Android, MAC
    AntennaBuilt-in
    Relative Humidity5% – 85%
    Storage Temperature-5°C to 80°C
    Operating Temperature0°C to 65°C
    Operating Voltage5V @50mA (not required external supply)