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GW-7472 (EtherNet/IP adapter to Modbus RTU master and Modbus TCP client gateway) v2.0 firmware and software releaseGModbus TCP protocol and new functions supported.

Introduction:
The GW-7472 (EtherNet/IP adapter to Modbus RTU Master Gateway) is helpful for data-exchanging between the Modbus RTU network and the EtherNet/IP network. It reads the register data from the Modbus RTU slaves and publishes these data to the input register of the EtherNet/IP scanner.

Modbus TCP is a powerful protocol and widely used. Considering to improve the convenience and the functionality of the product, ICP DAS releases the v2.0 firmware and software to support Modbus TCP and several new functions to perfect the GW-7472.

ICP DAS provides GW-7472 v2.0 firmware and software with free upgrade. The content of v2.0 upgrade is below:

V2.0 Upgrade:

Support Modbus TCP protocol.
As a Modbus TCP client, the GW-7472 can connect with 10 Modbus TCP servers at the same time, and exchange data with EtherNet/IP device. Meanwhile, Modbus RTU function can operate well.
User can setup the Modbus TCP request command in GW-7472 Utility. Each Modbus TCP connection can support 8 commands. User can also check the connection status of Modbus TCP servers in GW-7472 Utility.
Support Byte Swap
AO/AI messages on Modbus are based on word which will be separated into two bytes on EtherNet/IP scanner. Users can make their own decision on selecting little endian or big endian when a word mapping to two bytes.
Support parameter update in Run mode
In GW-7472 v1.0, users update the setting of the module only when it is in Init mode. For convenience, users can now update the module setting whenever they want even when the module is in Run mode. The GW-7472 will reboot automatically after updating.
Support loading and saving configuration files
Users can not only output the parameter setting by saving it into text file but also load a setting file to regain previous setting. Users can manage setting of different purpose very easily.
Operate with Allen-Bradley^TM PLC.
We have confirmed that GW-7472 can operate with Allen-Bradley ControlLogix Logix 5563 through 1756-ENBT ControlLogix EtherNet/IP Module setup by RSLogix 5000 software.

EtherNet/IP Feature:

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:
- Transport and trigger: Exclusive-Owner, Cyclic
- Originator to Target Type: POINT2POINT
- 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 slave input registers mapping to the input registers of the EtherNet/IP adapter of the GW-7472: maximum 500 bytes
The numbers of the Modbus slave output registers mapping to the output registers of the EtherNet/IP adapter of the GW-7472: maximum 500 bytes

Modbus Feature:

Modbus Protocol: Modbus RTU Master and Modbus TCP Client
Maximum support 30 Modbus RTU commands
Maximum support 10 Modbus TCP servers
Maximum support 8 Modbus TCP commands for each one Modbus TCP server
Supported Modbus Function Codes:
- 01 hex: Read Output Status
- 02 hex: Read Input Status
- 03 hex: Read Multiple Data Registers
- 04 hex: Read Input Registers
- 0F hex: Write Multiple Bits
- 10 hex: Write Multiple Data Register
Maximum data size of one Modbus command: 240 bytes

For more detail information, please refer to the following web site.
Web page of the GW-7472 http://www.icpdas.com/products/Remote_IO/can_bus/GW-7472.htm
Download the firmware of the GW-7472 http://ftp.icpdas.com/pub/cd/fieldbus_cd/ethernetip/gateway/gw-7472/firmware/
Download the datasheet of the GW-7472 http://www.icpdas.com/products/Remote_IO/can_bus/datasheet/GW-7472.pdf
Web page for the EtherNet/IP series products http://www.icpdas.com/products/Remote_IO/can_bus/EtherNet_IP_series.htm

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