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Data Interchange
Hardware Specifications
Ordering Information
Optional Accessories
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  • GW-7472 ~ NEW ~

    EtherNet/IP to Modbus RTU/TCP Gateway


    The GW-7472 (EtherNet/IP adapter to Modbus RTU Master and Modbus TCP Client Gateway) is helpful for data-exchanging between the Modbus RTU Network, Modbus TCP Network, and the EtherNet/IP Network. It reads the register data from the Modbus RTU slaves as well as Modbus TCP servers and publishes these data to the input register data of the EtherNet/IP scanner. The output data transmitted by the EtherNet/IP scanner are updated to the register data of Modbus RTU slaves/Modbus TCP servers via the GW-7472. In order to save the installation space, the GW-7472 is 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-7472 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-7472 can be powered via the Ethernet cable. When there is no PoE switch on site, the GW-7472 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-7472.

    • 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
    • (Auto-negotiating, auto MDI/MDIX, LED Indicators)
    • Redundant power inputs: PoE (IEEE 802.3af, Class 1) and DC jack
    • Automatically RS-485 direction control
    • 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
    • Fire retardant materials (UL94-V0 Level)

    EtherNet/IP Features:

    • Ethernet Protocol: EtherNet/IP adapter
    • Maximum number of connections for Explicit Messages: 6
    • Maximum number of connections for Implicit Messages: 1
    • Supported I/O connection methods:
      1. Transport and trigger: Exclusive-Owner, Cyclic
      2. Originator to Target Type: POINT2POINT
      3. Target to Originator Type: POINT2POINT, MULTICAST
    • Device Configuration Option: EDS, Utility tool
    • Address Configuration: DHCP, Utility tool
    • EtherNet/IP Input/Output command data size: maximum 500 bytes
    • The numbers of the Modbus RTU slave and Modbus TCP servers input registers mapping to the input registers of the EtherNet/IP adapter of the GW-7472: maximum 500 bytes
    • The numbers of the Modbus RTU slave and Modbus TCP servers output registers mapping to the output registers of the EtherNet/IP adapter of the GW-7472: maximum 500 bytes

    Modbus Features:

    • Modbus Protocol: Modbus RTU Master
    • Maximum support 30 Modbus RTU commands
    • Maximum support 10 Modbus TCP servers
    • Maximum support 8 Modbus commands for each one Modbus TCP server
    • 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
    • Maximum data size of one Modbus command: 240 bytes
    Data Interchange  
    The GW-7472 is an EtherNet/IP Adapter with all the required EtherNet/IP objects. This section describes the EtherNet/IP Object Model and how to read/write the object data using EtherNet/IP Explicit and I/O messaging.
    We provide GW-7472 Utility tools for Windows 2K/XP/Vista and Win 7, it includes:
    • Network parameters configuration
    • UART parameters configuration
    • Modbus devices configuration
    • Auto search GW-7472 device
    • Easy test to transmit/receive EtherNet/IP dat
    Hardware Specifications  
    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
    Modbus RTU master and Modbus TCP client
    Ethernet Interface
    10/100 Base-TX, 8-pin RJ-45 x 1, (Auto-negotiating, Auto-MDI/MDIX, LED indicator)
    PoE (IEEE 802.3af, Class 1)
    EtherNet/IP Adapter
    Power supply

    PoE: IEEE 802.3af, Class 1
    DC jack: +12 ~ 48 VDC

    Power Consumption
    0.05 A @ 24 VDC
    52mm x 27mm x 77.4mm (W x L x H)
    Operating Temperature
    -25 ~ 75 ℃
    Storage Temperature
    -30 ~ 80 ℃
    10 ~ 90% RH, non-condensing
    Ordering Information  
    GW-7472 CR
    Tiny EtherNet/IP to Modbus RTU/TCP 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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