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Hardware Specifications
Ordering Information
Optional Accessories
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  • GW-7473

    Modbus Slave to EtherNet/IP Scanner Gateway


    The GW-7473 (Modbus TCP/RTU Slave to EtherNet/IP Scanner Gateway) is helpful for data-exchanging between Modbus Master and EtherNet/IP adapter. It reads the register data from the EtherNet/IP adapter and publishes these data to the input register data of the Modbus TCP client as well as Modbus RTU Master. The output data transmitted by the Modbus TCP/RTU Master are updated to the register data of EtherNet/IP adapter. In order to save the installation space, the GW-7473 is also offered in an amazing tiny form-factor that makes it easy to install in anywhere, even directly attached to a serial device or embedded into a machine. The GW-7473 features a powerful 32-bit MCU to handle efficient network traffic and it provides the IEEE 802.3af-compliant (classification, Class 1) Power over Ethernet (PoE) with a standard category 5 Ethernet cable. Through the NS-205PSE, Poe switch, the GW-7473 can be powered via the Ethernet cable. When there is no PoE switch on site, the GW-7473 provide another way to be powered from DC adapters. These two power interfaces are redundant. If one fails, another will take it over to supply the proper power to the GW-7473.

    • Control System
    • Building Automation
    • Factory Automation
    • Distributed data acquisition

    General Features:

    • Powerful 32-bit MCU handles efficient network traffic
    • 10/100 Base-TX Ethernet, RJ-45 x1
    • Redundant power inputs: PoE (IEEE 802.3af, Class 1) and DC jack
    • Support ARP,TCP, UDP, ICMP, DHCP, BOOTP and TFTP protocols
    • Easy firmware update via Ethernet
    • Removable terminal block connector
    • Tiny form-factor and low power consumption
    • RoHS compliant with Halogen-free

    EtherNet/IP Features:

    • Supported Objects according to CIP Standard
      1. Assembly Object
      2. Connection Manager Object
      3. Ethernet Link Object
      4. Message Router Object
      5. TCP/IP Interface Object
    • Ethernet Protocol: EtherNet/IP Scanner
      1. Class 1 (connected) I/O Server and Client
      2. Maximum support 5 EtherNet/IP adapter connections
      3. EtherNet/IP I/O command data size: 200 bytes

    Modbus Features:

    • Modbus Protocol: Modbus TCP Server/RTU Slave protocols
    • Maximum support 5 Modbus TCP clients
    • Supported Modbus RTU Function Codes:
      1. 01 hex: Read Output Status
      2. 02 hex: Read Input Status
      3. 03 hex: Read Multiple Data Registers
      4. 04 hex: Read Input Registers
      5. 0F hex: Write Multiple Bits
      6. 10 hex: Write Multiple Data Register
    We provide GW-7473 Utility tools for Windows 2K/XP/Vista and Win 7, it includes:
    • Protocol Interface:
      • Modbus RTU Master
      • Modbus TCP Client
    • Network parameters configuration
    • UART parameters configuration
    • EtherNet/IP Adapter configuration
    • Easy test to transmit/receive Modbus data

    Hardware Specifications  
    CPU 32-bit MCU
    UART Interface
    COM 1 2-wire RS-485
    4-wire RS-422
    COM 1 Connector 10-Pin Removable Terminal Block x 1
    Protocol Modbus RTU slave and Modbus TCP server
    Ethernet Interface
    Ethernet 10/100 Base-TX, 8-pin RJ-45 x 1, (Auto-negotiating, Auto-MDI/MDIX, LED indicator)
    PoE (IEEE 802.3af, Class 1)
    Protocol EtherNet/IP Scanner
    Power supply PoE: IEEE 802.3af, Class 1
    DC jack: +12 ~ 48 VDC
    Power Consumption 0.05 A @ 24 VDC
    Dimensions 52mm x 27mm x 77.4mm (W x L x H)
    Mounting DIN-Rail
    Operating Temperature -25 ~ 75 ℃
    Storage Temperature -30 ~ 80 ℃
    Humidity 10 ~ 90% RH, non-condensing
    Ordering Information  
    GW-7473 CR
    Modbus Slave to EtherNet/IP Scanner gateway with PoE and 1 RS-422/485 (RoHS)
    Optional Accessories  
    MSM-6226 CR 24-Port L2 Plus Managed Fast Ethernet Switch + 2 TP/SFP Gigabit Dual Media (RoHS)
    NS-205 CR Unmanaged 5-Port Industrial Ethernet Switch (RoHS)
    NS-205PSE CR Unmanaged Ethernet Switch with 4 PoE Ports and 1 RJ-45 Uplink (RoHS)
    NS-205PSE-24V CR Unmanaged 5-Port 10/100 Mbps PoE(PSE) Ethernet Switch; 24 VDC Input
    NSM-205PSE-24V CR Unmanaged 5-Port 10/100 Mbps PoE(PSE) Ethernet Switch with Metal Casing; 24 VDC Input
    FRA05-S12-SU 12 V/0.58 A (max) Power Supply
    CA-002 DC connector to 2-wire power cable, 0.3 M

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