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1. 1 63 13 RANT E TR K d 63 14 Subnert MaSK 64 15 TCP Transmission Control Protocol 1 64 16 0 E TER 64 17 UDP User Datagram Protocol 64 GW 7472 User Manual Version 2 1 March 2013 3 FA 65 ix n 1 Why does the GW 7472 series module fail on a public Internet connection 65 Patch Note Patch Note Date Executor Version 1 Support Modbus TCP Protocol 2 Support Byte swap 3 mode set up 2012 3 9 RD7 Clark Tsai 4 gt Utility 2 0 can only support FW 2 0 or later version GW 7472 User Manual Version 2 1 March 2013 Packing List List The shipping package includes the following items B One GW 7472 series hardware module m One printed Quick Start Guide 2 One software utility CD Information Information Documentations Fieldbus _CD EtherNetIP Gateway GW 7472 Document Firmware Fieldbus CD EtherNetIP Gateway GW 7472 Firmware Utility Fieldbus _CD EtherNetIP Gateway GW 7472 Utility GW 7472 User Manual Version 2 1 March 2013 5 1 Introduction The GW 7472 EtherNet IP adapter to Modbus RTU and Modbus TCP Master Gateway is helpful for d
2. Bond Rete 11500 ENTER v Address 192 168 22 33 Parity 255 255 0 0 Stop Bite bi 192 158 0 1 Setting Foes Management ora 15 Write multi coils for DO v File File 22 7 Command Interval 200 ms Total Input 4 bytes ue 0519200 IE aa Shut Address dec 0 0 65535 GW 7472 User Manual Version 2 1 March 2013 23 3 3 Testing the GW 7472 module Make sure your PC is under the workable network configuration and environment 2 First disable or correctly configure the firewall of the Windows system and any anti virus software Or the Diagnostic function of the GW 7472 Utility may not work Contact your system administrator for more details about how to do this 3 Check Init Run switch is on Run position a x GW 7472 Ethorhepi to Modbus RTU Gateway Ethernet 10 100 COMI d 9 4 Connect the GW 7472 with your computer at the same sub network or by using the same Ethernet switch Then power the GW 7472 on Afterwards you can use the command ping in the Command Prompt window to test if the connection between the GW 7472 and your computer is OK 5 Make sure the System LED indicator is flashing E m OWT Host PC TREE en n Ethernet 4 Cable
3. Warranty All products manufactured by ICP DAS are under warranty regarding defective materials for a period of one year starting from the date of delivery to the original purchaser Warning ICP DAS assumes no liability for damages resulting from the use of this product ICP DAS reserves the right to change this manual at any time without notice The information published by ICP DAS is believed to be accurate and reliable However no responsibility is assumed by ICP DAS for its use not for any infringements of patents or other rights of third parties resulting from its use Copyright Copyright 2013 by ICP DAS Co Ltd All rights are reserved Trademark The names used for identification only may be registered trademarks of their respective companies GW 7472 User Manual Version 2 1 March 2013 71 Table of Contents acking List LM CM c cc cc dL CC E More Information Wu c uL M 1 Introd uction XM 2 cf 2 Hardware Information baaa a a a 10 2 1 SPOME 4 59 OCT EE ME 10 2 2 11 2 3 a Front Vii 13 2 4 DIMENSIONS PEERS 15 2 5 16 2 6 EE AT 17 2 6 1 amp 5 422 UH Negdileseir eme 17 2 6 2 RS 485 Wire CO 4 2 fee 17 Bl n 3 Setup and est the GW 7472 module Me 3 1 Install GW 7472 UtllIty u
4. AEN gt ay t p DOU m File De B _ 2 2 can Name gt 1 7472 12 192 168 255 1 GW 7472 User Manual Version 2 1 March 2013 26 4 2 Module Configuration Double click the GW 7472 Utility shortcut on the desktop Click the Network Scan button to search your GW 7472 Select the item of the GW 7472 and click the Configure button to open the Configuration dialog MBRTU Port Settings Data bit 8 Baud Ree bps 115200 E SubmetMack 255 255 0 DefaultGateway 192 168 0 1 t AE 5 Write multi coils for DO ID dec 2 4 MT Command Interval 200 Count dec 16 1 1920 buts Start Address dec 65535 GW 7472 User Manual Version 2 1 March 2013 MBICP Server Setting Severo Serve Server IP 168 22 Info T Total Input 4 bytes Total Output a bytes x27 Descriptions Network Settings Modbus RTU Port Settings Modbus Server Setting Setting File Management Byte Order Setting Modbus Request Command Setting Description For configuration of the Address Type Static IP Address Subnet Mask and Default Gateway of the GW 7472 Please refer to section 4 2 1 Network Settings For configuration of the Baud Rate Data Sizes Parity
5. Power Supply Hub Switch 12 48 Voc Jack GW 7472 User Manual Version 2 1 March 2013 24 lemmas Power Supply gt Host PC Ethernet Cable i PoESwitcha 1 Power Supply gt GW 7472U tility GW 7472 Utility GN UCMM Forward Open Class 3 Behavior Forward Open Class Behavior Service Code E Clase Code hex 1 Class ColeQhex 8 Instance 64 Instance ID hex 1 Attribute ID hex 1 DesConnect gt Point ex 66 0 Point hex 65 gt Size dec 4 gt 0 4 Output Count 0 RPi dec 300 ms 0711 12 13 14 5 16 7 107 19 110 11112 13 14 K DetSme dec 2 RPI dec 300 Ch A Uo FO Oo Ch X 4 wh Modbus TCP Server Status TCPNoO TCP No l No2 TCPNo3 TCPNo4 TCPNo5 TCPNo6 7 TCPNo8 TCPNo9 D D 1 ee amp amp 1x amp amp Double click the GW 7472 Utility shortcut on the desktop Click the Network Scan button to search your GW 7472 Select the item of the GW 7472 and click the Diagnostic button to open the diagnostic dialog GW 7472 User Manual Version 2 1 March 2013 25 3 GW 7472 Utility 4 1 Network Scan 1 Double click the GW 7472 Utility shortcut on the desktop 2 Click the Network Scan button to search your GW 7472 Afterwards you can see all of the GW 7472 on the same network of your PC D
6. The GW 7472 is equipped with a 12 48 jack for the power supply When there is no PoE switch on site the GW 7472 accepts the power from the DC adapter Please refer to the following web site for more details http www icodas com products Accessories power_supply fra05 s12 su htm 12 48 Voc 3 51 System LED indicator After power on the GW 7472 the system LED indicator is as follows Function System LED Action Flashing per second Hardware checking error Flashing per 0 3 seconds Hardware error blank 4 Operating Mode Selector Run 4 Init Init Mode Configuration mode i Run Mode Firmware running mode Generally the switch is always in the Run position while the GW 7472 works Only when updating the GW 7472 the switch needs to be set to the Init position Move the switch to the Run position and then re power on the GW 7472 after the update is completed Firmware Flash Protection Firmware Update Configuration fa No Yes No Allowed GW 7472 User Manual Version 2 1 March 2013 2 4 Dimensions m GW 7472 dimensions Left Side View Right Side View GW 7472 User Manual Version 2 1 March 2013 Unit mm Back View Bottom View 2 5 Pin Assignment 1 Port 2 Wire RS 485 4 Wire RS 422 Module 2060000000 EtherNet IP to Modbus RTU Gateway E1 Ethernet 10 100 COM1 RS 485 RS 422 GW 7472 User Manual
7. The Modbus slave device ID specifies the address of the device on the RS 485 422 network This ID can be 1 247 Number of register data to be accessed from the Modbus slave Show how many bytes have been mapped in of the EtherNet IP Total Output Show NOW many bytes have been mapped in of the EtherNet IP output registers EIP Input Address Bytes The mapping address in the EtherNet IP input register EIP Output Address Bytes The mapping address in the EtherNet IP output register Interval value of the Modbus commands If the command Command Interval is replied by the Modbus slave immediately the GW 7472 milliseconds still waits until the time interval passes Set range value 10 30000 milliseconds Default 200 ms The start address of the input output registers stored in the Start Address Modbus slaves This address be 0 65535 otep1 Select the Device Options otep2 Enter the Modbus Request commands otep3 Click the Add Delete buttons to add and remove the Modbus commands otep4 Click the Update Settings button to finish the configuration GW 7472 User Manual Version 2 1 March 2013 94 Count dec 16 1 1920 bits Start Address dec 0 0465535 9 GW 7472 User Manual Version 2 1 March 2013 1 247 Command Interval DI Bits 0 1 NA DO Bits NA 0 1 2 3 35 4 2 7 Electronic Data Sheet The Electronic Data Sh
8. 64 Appendix C FAQ 1 Why does the GW 7472 series module fail on a public Internet connection The default IP address of the GW 7472 15 192 168 255 1 which can be only used on a private Internet connection A private network packet will not be routed via a public Internet connection which is the reason why the GW 7472 failed on the Internet The IANA has reserved three address spaces for private internets RFC1918 10 0 0 0 10 255 255 255 10 8 prefix 172 16 0 0 172 31 255 255 172 16 12 prefix 192 168 0 0 192 168 255 255 192 168 16 prefix The GW 7472 can be operated on the Internet by using a legal public IP address This address can be obtained from your ISP or network administrator Public IP Address Public IP Address v HI See Internet 65 A private internet client may communicate with a public Internet server GW 7472s only if the NAT service for the client is available ae Private IP Address Public Address Internet t De a Private IP Address Public IP Address Internet Assigned Numbers Authority Request for Comments Internet Service Providers Network Address Translator
9. Stop Bits of the RS 485 RS 422 port of the GW 7472 Please refer to section 4 2 2 Modbus RTU Serial Port Settings For configuration of the IP of each Modbus TCP server Please refer to section 4 2 3 Modbus TCP Server IP Settings For the setting files management of GW 7472 Please refer to section 4 2 4 Setting File Management For configuration of the order of two bytes in a word of AI and AO Please refer to section 4 2 5 Byte Order Setting Modbus commands to communicate with the Modbus Slaves Please refer to section 4 2 6 Modbus Request Settings GW 7472 User Manual Version 2 1 March 2013 28 4 2 1 Network Settings Network settings MAC Address 00 00 0 980 00 32 Address static IP Static IF Address Sabet Mack 25 255 0 10 Default Gateway 0 The Address Type Static IP Address Subnet Mask and Default Gateway items are the most important network configuration and should always match the LAN definition of your PC Or the connection between the GW 7472 and your PC may have problem Contact your network administrator to obtain a proper network configuration for the GW 7472 Descriptions Description Static IP If you don t have a DHCP server in your network configure the network settings manually Please refer to the section 4 2 1 1 Manually Configuration Address Type DHCP Dynamic Host Configuration Protocol DHCP is a network application protocol that automatical
10. 2 Ethernet Link Object 57 8 CIP General Status 58 9 Connection Manager Service Request Error 59 Glossa 61 Appendix B ry 5 1 ARP Address Resolution Protocol 2 61 2 Clients and EM MI 61 511 K n 62 Maint a ag 62 5 62 6 ICMP Internet Control Messages 62 i MANES FINE RR T RE 62 8 IP Internet Protocol Address cccccccccsccccccsscccccescccccescccccesscccceescccesescceceseccccesscccecescccesescceceesceeees 62 9 Media Access Control 2 2 2 2 2 4 42 2 1 4 4 2 63 10 63 11 63 12 RARP Reverse Address Resolution
11. It recognizes hosts using 48 bit MAC address 4 Firmware Firmware is an alterable program located or stored in the semi permanent storage area e g ROM EEPROM or Flash memory 5 Gateway Computers that interconnect two networks and pass packets from one to the other are called Internet Gateways or Internet Routers Gateways route packets that are based on the destination network not on the destination host 6 ICMP Internet Control Messages Protocol No system works correctly all the time ICMP provides a method of communicating between the Internet Protocol software on one machine and the Internet Protocol software on another It allows gateways to send error or control messages to other gateways or allows a host to know what is wrong with the network communication 7 Internet Physically the Internet is a collection of packet switching networks interconnected by gateways along with TCP IP protocol that allows them to perform logically as a single large and virtual network The Internet recognizes hosts using 32 bit IP address 8 IP Internet Protocol address Every interface on an Internet must have a unique IP address also called an Internet address These addresses are 32 bit numbers They are normally written as four decimal numbers one for each byte of the address such as 192 168 41 1 This is called dotted decimal notation GW 7472 User Manual Version 2 1 March 2013 62 9 MAC Media Access Control address
12. To allow a computer to determine which packets are meant for it each computer attached to an Ethernet is assigned a 48 bit integer known as its MAC address also called an Ethernet address hardware address or physical address They are normally written as eight hexadecimal numbers such 00 71 88 12 3 07 01 Ethernet hardware manufacturers purchase blocks of MAC addresses and assign them in sequence as they manufacture the Ethernet interface hardware Thus no two hardware interfaces have the same MAC address 10 Packet A packet is the unit of data sent across a physical network It consists of a series of bits containing data and control information including the source and the destination node host address and is formatted for transmission from one node to another 11 Ping Ping sends an ICMP echo request message to a host expecting an ICMP echo reply to be returned Normally if a host cannot be pinged you won t be able to use Telnet or FTP to connect to the host Conversely if Telnet or FTP cannot be used to connect to a host Ping is often the starting point to determine what the problem is 12 RARP Reverse Address Resolution Protocol RARP provides a method of dynamically mapping 48 bit MAC address to the corresponding 32 bit IP address 32 bit IP Address ARP RARP 48 bit MAC Address 13 Socket Each TCP segment contains the source and destination port number that can be used to identify the sending and rec
13. Version 2 1 March 2013 GND CCb Su S8b Su J EE 16 2 6 Wiring Note 2 6 1 RS 422 Wire Connections 4 Wire RS 422 Wiring RS 422 Master RS 422 Device 2 6 2 RS 485 Wire Connections 2 Wire Device 1 Device 2 Device 3 RS 485 Wiring lt lt 5 lt ex RS 485 Master Bii Bi Umen DATA B DEG bono ooo 2 Wire Only Device Twisted Pair Wiring plus Ground Note GW 7472 User Manual Version 2 1 March 2013 17 2 Setup and Test the GW 7472 module 3 1 Install the GW 7472 Utility The software is located at Fieldbus CD EtherNetIP Gateway GW 7472 Utility http ftp icpdas com pub cd fieldbus _cd ethernetip gateway qw 7472 utility The GW 7472 Utility tool requires the Windows Installer 3 1 and the NET Framework 4 components These components can be obtained from the web site 6 GW 7472 Utility Setup For the following components 6 GW 7472 Utility Setup For the following components Windows Installer 3 1 Microsoft NET Framework 4 Client Profile x86 and x64 Please read the following license agreement Press the page down key to see the rest of the agreement Please read the following license agreement Press the page down key to see the rest of the agreement SUPPLEMENTAL END USER LICENSE AGREEMENT FOR MICROSOFT SOFTWARE Supplemental EULA IMPO
14. Manual Version 2 1 March 2013 38 4 3 2 Forward Open Class 1 Behavior Use this field to apply the Forward Open service to build the CIP class 1 connection to communicate with the GW 7472 Size and RPI parameters Step2 Click the Class1 button to communicate with the GW 7472 otep3 Click the DisConnect button to stop to communicate with the GW 7472 Forward Open Class 1 Behavior 2 Class Code hex 4 Instance ID hex 64 gt Pomtthex 66 gt 65 O gt T Size dec 2 5 2 Output Count 0 RPlidec 200 ims Updata Output 0 1 2 3 4 5 6 8 19 110111112113114 00 059 413 4 5 16 18 9 110111112 113 114 GW 7472 User Manual Version 2 1 March 2013 39 4 3 3 Modbus TCP Server Status Modbus TCP server status indicates the connection status of every Modbus TCP servers Modbus TCP Server Status TCP No l No No 3 TCP No 4 No 5 TCP amp 9 9 9 The IP address setting of this Modbus TCP server is illegal or user doesn t use it The GW 7472 is trying to connect this Modbus TCP server The GW 7472 is already connected to this Modbus TCP server GW 7472 User Manual Version 2 1 March 2013 40 4 4 Firmware Update The GW 7472 supports firmware update through the Ethernet network with the BOOTP TFTP protocol Generally the fi
15. Modbus Master and Modbus TCP Client Maximum support 30 Modbus RTU commands Maximum support 10 Modbus TCP servers Maximum support 8 Modbus RTU commands for each one Modbus TCP server Supported Modbus Function Codes 01 Read Output Status 02 hex Read Input Status hex Read Multiple Data Registers 04 nex Read Input Registers 05 hex Write Single Coil O6nex Write Single Register OF hex Write Multiple Bits 10 hex Write Multiple Data Register VV VV VV ON WV Maximum data size of one Modbus command 240 bytes GW 7472 User Manual Version 2 1 March 2013 2 3 GW 7472 Front View Serial COM Ports Of 558 4 3 40 33 RS AIS RS 422 I e Robust insulated and 51 System LED fire retardant case Re indicator EI Ethernet 10 100 ZA COMI RS 485 RS 422 ekda fr d PoE and Ethernet e RJ 45 Jack 12 48 Vpc Jack o n o Operating Mode Selector 1 PoE and Ethernet RJ 45 Jack The GW 7472 is equipped with a RJ 45 jack for the 10 100 Base TX Ethernet port and features networking capability When the Ethernet link is detected and Ethernet packet is received the Link Act LED Orange indicator will be turned on When the power is supplied via PoE Power over Ethernet the PoE LED Green indicator will be turned on E1 PoE LJ Link Act PoE LED Link Act LED GW 7472 User Manual Version 2 1 March 2013 13 2 12 48 Jack
16. Step2 Click the Update Settings button to finish the configuration Network Settings Address 00 00 0 80 00 32 Address Type DE Static IP Address 192 168 100 Update Setting SubnetMask 255 255 0 0 Default Gateway 192 168 lio 1 GW 7472 User Manual Version 2 1 March 2013 30 4 2 2 Modbus RTU Serial Port Settings There four parameters in the Modbus RTU serial port configuration dialog Item Descriptions Item Description Default Baud Rate bps Set bard rate of the RS 485 422 ports 115200 Data Size bits Set data size of the RS 485 422 ports Parity Set parity of the RS 485 422 ports Stop Bits bits Set stop bits of the RS 485 422 ports otep1 Enter the port settings otep2 Click the Update Settings button to finish the configuration MBRTU Port Settings Baud Rate bp 115200 Data Bits bit Parity Siop Bi 58 GW 7472 User Manual Version 2 1 March 2013 31 4 2 3 Modbus TCP Server IP Setting There two parameters in the Modbus TCP Server IP configuration dialog tem Descriptions Item Description Server No Select the number of the modbus TCP server Severi Set the IP of modbus TCP server Step1 Select the Server No to modify its IP address Step2 Enter the Server IP Note The connection to Modbus TCP server will be disabled when the last two bytes of IP addres
17. of this program any portion of it may result in severe civil criminal penalties and will be prosecuted to the maximum extent possible under the law Cancel 2 i GW 7472 Utility v2 0 0 Select Installation Folder The installer will install GW 742 Utility v2 0 0 to the following folder install in this folder click Next To install to different folder enter it below ar click Browse Folder CAICPDAS EtherNetIP Gateway W HITA Install Ew 7472 Utility sz 0 for yourself ar anyone who uses this computer Everyone C Just me Cancel GW 7472 User Manual Version 2 1 March 2013 19 3 Confirm the installation Click the Next button to start the installation m GW 7472 Utility v2 0 0 Confirm Installation The installer is ready to install Ew 7472 Utility ve on your computer Click Nest to start the installation 4 1 GW 7472 Utility 2 0 0 Installation Complete Iw P472 Utility ve 0 0 has been successtully installed Click Close ta exit Please use Windows Update to check for any critical updates to the WET Framework GW 7472 User Manual Version 2 1 March 2013 106 3 2 Setting up the GW 7472 module Make sure your PC is under the workable network configuration and environment 2 First disable or correctly configure the firewall of the Windows system and any anti virus software Or the Configure function of the GW 7472 Util
18. 3 Select the firmware which will be updated step4 Click the Download bution to start the update procedure GH 7472 Utility d Device About Network Scan Firmware Download Configure Available IP 192 168 MAC Address 00 OD 0 EO Available IP This parameter is an available IP address on the Ethernet network During the update procedure the GW 7472 will use this IP address You can also assign the IP address which is used in the run mode of the GW 7472 Contact your network administrator for more information about an available IP address MAC Address This parameter is the MAC address of the GW 7472 You can get it from the Utility tool Please refer to section 4 2 1 Network Settings Select File The folder path of the new firmware can t include the character the space character Or the update procedure may be broken GW 7472 User Manual Version 2 1 March 2013 42 4 R W Modbus devices from EtherNet IP Since the GW 7472 provides the functions of an EtherNet IP adapter and the Modbus masters there are some mechanisms for data exchanging between EtherNet IP objects and the Modbus registers This section describes the EtherNet IP Object Model of the GW 7472 and how to read write the GW 7472 EtherNet IP object data mapping to the registers of Modbus slaves by using the EtherNet IP Explicit and Implicit Message 5 1 Object Model The Object Mode
19. 47 Ethernet 2 Modbus Network Modbus TCP Network GW 7472 User Manual Version 2 1 March 2013 7 The following figure illustrates how to deploy the register data of the Modbus devices in the previous example to the EtherNet IP scanner Assume that there are 3 2 2 and 4 input registers data in the Modbus slaves No 1 No 2 No 3 and No 4 respectively The data format of the register in the Modbus slave No 1 and No 3 is WORD and that in the Modbus slave No 2 and No 4 is BYTE All of these input registers are mapping to the corresponding input registers of the EtherNet IP adapter of the GW 7472 sequentially by using the BYTE format u Wi EtherNet IP Scanner EtherNet IP Network GW 7472 RS 485 RS422 Ethernet Modbus RTU Network Modbus TCP Network Device 1 Device 2 3 Device 4 Modbus Address 10 Modbus Address 20 IP Address 1 IP Address 2 Read Address 1 Read Address 100 Read Address 10 Read Address 1000 Length 3 Length 2 Length 2 GW 7472 User Manual Version 2 1 March 2013 8 The output register data of the Modbus slaves are mapping in exactly the same way The Modbus slave output registers are mapping as the output registers of the EtherNet IP adapter of the GW 7472 Users can set the maximum 500 bytes for input data and 500 bytes for output data which are mapping to the EtherNet IP adapter of the GW 7472 All of these configurations
20. RTANT READ CAREFULLY The Microsoft operating system components accompanying this Supplemental EULA including any online or electronic documentation 05 Components are subject to the terms and conditions of the agreement under which you have licensed the applicable Microsoft operating system product described below each an End User License Agreement or ELILA and the terms and conditions of this Supplemental EULA BY INSTALLING x B View EULA for printing Do you accept the terms of the pending License Agreement MICROSOFT SOFTWARE SUPPLEMENTAL LICENSE TERMS MICROSOFT NET FRAMEWORK 4 FOR MICROSOFT WINDOWS OPFRATING xj View EULA for printing Do you accept the terms of the pending License Agreement If you choose Don t Accept install will close To install you must accept this agreement If you choose Don t Accept install will close To install you must accept this agreement Don t Accept GW 7472 User Manual Version 2 1 March 2013 18 After installing the Framework components please run the GW 7472 Utility setup file 1 Click the Next button to continue m GW 7472 Utility v2 0 0 E Jm E Welcome to the GW 7472 Utility v2 0 0 Setup Wizard The installer will guide you through the steps required to install 7472 Utility v2 0 0 on your computer WARNING This computer program 1 protected by copyright law and international treaties Unauthorized duplication ar distribution
21. ard Open Class the CIP class 3 connection to communicate with the GW 7472 3 Behavior Please refer to section 4 3 1 UCMM Forward Open Class 3 Behavior Use the Forward Open service to build the CIP class 1 Forward Open Class1 connection to communicate with the GW 7472 Behavior Please refer to section 4 3 2 Forward Open Class 1 Behavior EtherNet IP packets responded from the GW 7472 The connection status of Modbus TCP servers Please refer to Modbus TCP Servers Status Modbus TCP Servers status section 4 3 3 Modbus TCP Servers Status GW 7472 User Manual Version 2 1 March 2013 37 4 31 UCMM Forward Open Class Behavior This field is applied to send UCMM Unconnected Message Manager packages or the Forward Open service to build the CIP class 3 connection Both of these two methods can be used to communicate with the GW 7472 Step1 Enter the Service Code Class Code Instance ID Attribute ID Requested Data size Request Data and Request packet interval parameters otep2 Click the or Class3 buttons to communicate with the GW 7472 otep3 Click the DisConnect button to stop to communicate with the GW 7472 1 UCMM Forward Open Class 2 Behavior Service Code hex ClassCode hex 1 Instance ID hex 1 Attribute ID hex 1 Request Data hex Data Size dec 2 RPl dec 300 ms 0 11 215 4 2 6 8 9 11011112112114 6 11 22 GW 7472 User
22. are defined by using the GW 7472 Utility tool While the GW 7472 gets the EtherNet IP commands from the EtherNet IP scanner it collects the input register data from Modbus slaves and updates the output register data to the Modbus slaves as soon as possible We have confirmed that GW 7472 can operate normally with Allen Bradley ControlLogix Logix 5563 through 1756 ENBT ControlLogix EtherNet IP Module setup by RSLogix 5000 software GW 7472 User Manual Version 2 1 March 2013 9 ardware Information 1 Specifications Model GW 7472 CPU 32 bit MCU Communication Interface 10 100 Base TX 8 pin RJ 45 x 1 Auto negotiating Auto MDI MDIX LED indicator IEEE 802 3af Class 1 2 wire RS 485 4 wire RS 422 Yes automatic RS 485 direction control Ethernet COM1 Self Tuner UART COM Port Format Baud Rate Data Bit Parity Stop Bit 16 550 or compatible PoE wie 8 485 4 wire 9422 Yes automatic RS 485 direction control 160550 or compatible 1200 to 115200 bps 7 8 None Odd Even 1 2 PoE IEEE 802 3af Class 1 DC jack 12 48 Vpc 0 05 24 VDC 10 Pin Removable Terminal Block x 1 Mounting DIN Rail Flammability Fire Retardant Materials UL94 VO Level 25 75 C Storage Temperature 30 80 C Power Input Power Consumption Connector Operating Temperature Humidity 10 90 RH non condensing GW 7472 User Ma
23. ata exchanging between the Modbus RTU along with Modbus TCP network and the EtherNet IP network The words Modbus described later are referring to Modbus RTU and Modbus TCP both the words Modbus slave are also referring to Modbus RTU slave and Modbus TCP server both if there is not extra explanation It reads the register data from the Modbus RTU TCP slaves server 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 slaves via the GW 7472 Through the GW 7472 all of the Modbus slaves can be regard as one EtherNet IP adapter The GW 7472 allows maximum 6 connections for the Explicit Messages and 1 connection for the Implicit Messages at the same time It means that 7 EtherNet IP scanners can connect to one GW 7472 at the same time Otherwise the GW 7472 also allows maximum 10 Modbus TCP servers to communicate with it The Modbus master functions of the GW 7472 can scan up to 30 Modbus RTU commands and 80 Modbus TCP commands 8 for each Modbus TCP slave After configuring the Modbus master behavior of the GW 7472 and the mapping status between the Modbus registers and EtherNet IP registers by using the GW 7472 Utility tool the input output registers of the Modbus slaves are mapping to the output input registers of the EtherNet IP adapter While booting up the GW 7472 scans the pre defined register addresses in all of
24. ateTime 14 00 00 ModDate 02 15 2012 ModTime 16 35 28 Revision 1 1 HomeURL httpz www icpdas com Derce ID Funchon Code Start Address Device VendCode 803 VendName ICP DAS Co LTD FrodType 12 ProdTypeStr Communications Adapter ProdCode 32 1 MinRev 5 ProdName GW 7472 Device Classification Classl EtherNetIP Params Paraml GW 7472 User Manual Version 2 1 March 2013 36 4 3 Module Diagnostic GW 7472Utility GW 7472 Utility Diagnostic 192 168 2733 CMM Forward Open Clas 3 Behavior Sven Cole Instance 1 Dex Forsand Open Class 1 Behavior 64 gt 66 gt 65 Request O TSime dec 4 Teo a mz 314 15 16 17 8 9 10 1117 13 14 Output Count 0 RPl lec 500 ms Updates utut D 1 12 3 14 15 16 17 18 19 yo 00 FF Size iec 2 300 ms D 112 13 14 15 Modbus TCP Server States TCP Het TCF No 1 TCF Ho 2 3 4 Ho 5 6 TCF Ho 8 9 9 9 9 9 9 Item Descriptions Item Description Send UCMM packets or use the Forward Open service to build UCMM Forw
25. ecification and or the requirements defined in an Application Object Specification The size of the path which was sent with the Service Request is Path Size Invalid either not large enough to allow the Request to be routed to an object or too much routing data was included GW 7472 User Manual Version 2 1 March 2013 58 9 Connection Manager Service Request Error Codes Reference Volume 1 CIP Common Specification Table 3 5 29 General Extended Status in Status Explanation and Description CONNECTION IN USE OR DUPLICATE FORWARD OPEN This extended status code shall be returned when an originator is trying to make connection to a target with which the originator may have already established a connection TRANSPORT CLASS AND TRIGGER COMBINATION NOT SUPPORTED A transport class and trigger combination has been specified which is not supported by the target Routers shall not fail the connection based on the transport class and trigger combination Only targets shall return this extended status code OWNERSHIP CONFLICT 01 106 The connection cannot be established since another connection already owns some of the resources required for this connection CONNECTION NOT FOUNT AT TARGET APPLICATION 01 107 This extended status code shall be returned by the close connection request where the connection which is to be closed is not active at the target node INVALID NETWORK CONNECTION PARAMETER This extended status code sha
26. eet EDS is a kind of file recorded all of the necessary information which is useful while an EtherNet IP scanner want to access an EtherNet IP adapter is an important bridge between the variety EtherNet IP adapters and the configuration tool of the EtherNet IP scanner Through the EDS file the configuration tool from 39 parity is able to easily know that which parameters can be accessed or altered After setting the parameters of the GW 7472 an EDS file EDS GW 7472 eds will be created in the same folder of the Utility tool Setting MBRTU Port Settings Serer MAC Address 00 0D E0 80 00 20 Bend Rate 115200 Server Wo Server Address Type Bint v bat Address 192 168 22 33 Panty 255 255 0 0 Stop het 1 192 168 22 Defenlwway 192 168 li Byte Order Setting C High I Low Low High Mol bus Commend Function Code 2 Read discrete for Dl ee ID 1 1 247 Command Interval 200 4 Cont dec 16 1 1920 bats Totl Output 2 Stet Address dec 0 65535 EDS_GW 7472 eds WordPad RHE BAM MAD RAH gt BOR File E DescText EDS file for GW 7472 CreateDate 11 09 2010 Cre
27. eiving application These two values along with the source and destination IP address in the IP header uniquely identify each connection The combination of an IP address and a port number is called a socket GW 7472 User Manual Version 2 1 March 2013 63 14 Subnet Mask Subnet mask is often simply called the mask Given its own IP address and its subnet mask a host can determine if a TCP IP packet is destined for a host that is 1 on its own subnet or 2 on a different network If 1 the packet will be delivered directly otherwise if will be delivered via gateways or routers 15 TCP Transmission Control Protocol TCP provides a reliable flow of data between two hosts It is associated with tasks such as dividing the data passed to it from applications into appropriately sized chunks for the network layer below acknowledging received packets setting timeouts to make certain that the other end acknowledges packets that are sent and so on 16 TCP IP The transmission Control Protocol TCP and the Internet Protocol IP are the standard network protocols They are almost always implemented and used together and called TCP IP TCP IP can be used to communicate across any set of interconnected networks 17 UDP User Datagram Protocol UDP provides a much simpler service to the application layer It just sends packets of data from one host to the other But there is no guarantee that the packets will reach the destination host
28. he TCP IP Interface Object contains read only data that describes the TCP IP connection parameters between the Gateway and the EtherNet IP scanner The configurable items include the GW 7472 s IP address network mask and gateway address You can t directly control any attributes of this object Class Attributes Instance ID Ohex AtributelD Name DataType Data Value Access Rule Number NM Max Instance Attributes ID Number AtributelD Name DataType DataValue Physical Link Object Structure of Path Size UINT Path Padded EPATH 20 6 nex 2401 hex Domain Name Host Structure of Host Name Size Host Name Interface Configuration Structure of IP Address 192 168 255 1 Network Mask 255 255 0 5 Gateway Address 192 168 0 aec Name Server 0 Name Server 2 0 Domain Name Size 0 0 GW 7472 User Manual Version 2 1 March 2013 55 Common Services Implemented for Service Code Service Name Class 08s Yes Get Attribute Single ET Am Section 5 3 2 2 3 of Volume 2 EtherNet IP Adaptation of CIP from ODVA for more details on this attribute Section 5 3 2 2 4 of Volume 2 EtherNet IP Adaptation of CIP from ODVA for more details on this attribute Section 5 3 2 2 5 of Volume 2 EtherNet IP Adaptation of CIP from ODVA for more details on this attribute Section 5 3 2 2 6 of Volume 2 EtherNet IP Adaptati
29. he maximum number of connections supported by this instance of the Target GW 7472 User Manual Version 2 1 March 2013 59 M Applcationhasbeenexceeded PARAMETER ERROR IN UNCONNECTED SEND SERVICE One of the parameters in the unconnected send service was in error INVALID SEGMENT IN CONNECTION PATH Invalid Segment Type or Segment Value in Connection Path This extended 01 315 status code is the result of a device being unable to decode the connection path This could be caused by an unrecognized path type a segment type occurring unexpectedly or a myriad of other problems in the connection path GW 7472 User Manual Version 2 1 March 2013 60 Appendix B Glossary 1 ARP Address Resolution Protocol Consider two machines A and B that share a physical network Each has an assigned IP address and IPs and a MAC address the The goal is to devise low level software that hides MAC addresses and allows higher level programs to work only with the IP addresses Ultimately however communication must be carried out by the physical networks using whatever MAC address scheme the hardware supplies Suppose machine A wants to send a packet to machine B across a physical network to which they are both attached but A only has the Internet address for B The question arises how does A map that address to the MAC address for B ARP provides a meth
30. iac 18 3 2 Setting up the GW 7472 1 111 1 21 3 3 Testing the GW 7472 0 24 4 GW 747 2 Uti lity Fu ities M M 4 1 26 4 2 Module Configuration 27 4 2 1 NCTWORK euenit aka ORUM RO OUI CN ON AR ND RUP AR RR RC E A NA 29 4 2 1 Modbus RTU Serial Port 6 31 4 2 2 ModDus TCP Server IP Settilig EAR ERE RON RC RR 32 4 2 3 Set ng File Management Ra CREER 33 4 2 1 Byte Order Setting CREER A DO A CM RR 33 4 2 5 Modbus Request 6 34 4 2 6 Electronic Data 5 36 4 3 Module hy vs eR 37 4 3 1 UCMM Forward Open Class Behavior cccccssscccssssssccssssccesssscccessscccssscccessssccessscceseseees 38 4 3 2 Forward Open Class 1 Behavior 2 2 440 414 4 4 eee
31. instances UINT Get Max Class Attributes ID UINT O7 dec Number Max Instance Attributes UINT ID Number GW 7472 User Manual Version 2 1 March 2013 51 Instance 64 Attributes Configuration Instance Most EtherNet IP scanner contains a configuration path when opening an Implicit Message connection to the GW 7472 Through the configuration path the EtherNet IP scanner can exchange the input and output data of the GW 7472 Therefore there is no data needed in the Configuration Instance Instance 65 Attributes Input Instance Attribute ID Sens Data Type Default Data Value Serial Read Data Structure of BYTE Node Read Data 1 All 0 s Get maximum 500 Node Read Data n The input data size is based on the arrangement of the input registers of the Modbus slaves configured by the GW 7472 Utility The Input Instance data are packaged by following the command order defined in Utility Instance 66 Attributes Output Instance Attribute ID fee Data Type Default Data Value Serial Data Structure of BYTE Node Read Data 1 All O s Get Set maximum 500 Node Read Data The output data size is based on the arrangement of the output registers of the Modbus slaves configured by the GW 7472 Utility The Output Instance data are packaged by following the command order defined in Utility GW 7472 User Manual Version 2 1 March 2013 52 Instance 67 Attributes Command Sta
32. ity may not work Contact your system administrator for more details about how to do this 3 Check Init Run switch 18 on Init position esiiiibii iO RSRS d 4 In Init mode the GW 7472 is forced to the network configuration as following table Connect the GW 7472 with your computer at the same sub network or by using the same Ethernet switch Then power the GW 7472 on Afterwards you can use the command ping 192 168 255 1 in the Command Prompt window to test if the connection between the GW 7472 and your computer is OK Item Settings Init GW 7472 User Manual Version 2 1 March 2013 21 5 Make sure the System LED indicator is flashing 2711111 Host PC Ethernet Cable Power Supply 12 48 Voc Jack 1 9 111 Host PC Ethernet Cable PoE EA TS Power Supply GW 7472 User Manual Version 2 1 March 2013 22 Double click the GW 7472 Utility shortcut on the desktop Click the Network Scan button to search your GW 7472 3 Select the item of the GW 7472 and click the Configure button to open the configuration dialog 4 After setting all the parameter of the GW 7472 click the Update Settings button to save the configuration After click the Update Settings button the GW 7472 will reboot to complete the configuration Version Co nfiruration Server Setting Seco Cmm severe 192 lse 22
33. l for the GW 7472 is shown in the following figure Inside the GW 7472 there are one Modbus RTU master one Modbus TCP client and an EtherNet IP adapter When booting up the GW 7472 scans all of the input registers of Modbus slaves and Modbus servers and updates all of the output registers of Modbus slaves At the same time the Modbus masters exchanges the input data and Modbus connection conditions with the objects of the EtherNet IP adapter The EtherNet IP adapter of the GW 7472 provides six kinds of objects Each object has its characteristic service and instances The Connection Manager Object is applied for building a connection before using the Explicit Messages and the Implicit Messages The Message Router Object is used to route the message to other objects of the EtherNet IP adapter The Assembly Object Identity Object TCP IP Object and Ethernet Link Object are used to record the I O information device information TCP IP configuration Ethernet link specific status information respectively After receiving an EtherNet IP message the GW 7472 will distinguish what the message type it is The Explicit Message can direct access the Assembly Object or access other objects via the Message Router Object The Implicit Message can only access data of the Assembly Object The UCMM Message 15 used to access all of the objects without building a connection When the UCMM Message is got by the GW 7472 the message is passed to the Message Route
34. ll be returned as the result of specifying a connection type connection priority redundant owner or fixed variable that is not supported by the target application Only a target node shall return this extended status code INVALID CONNECTION SIZE 01 109 This extended status code is returned when the target or router does not support the specified connection size VENDOR ID OR PRODUCT CODE MISMATCH 01 114 The Product Code or Vendor Id specified in the electronic key logical segment does not match the Product Code or Vendor 4 of in the target device PRODUCT TYPE MISMATCH 01 115 The Product Type specified in the electronic key logical segment does not match the Product Type of in the target device REVISION MISMATCH The major and minor revision specified in the electronic key logical segment does not correspond to a valid revision of the target device INVALID CONNECTIO POINT 01 117 The connection point specified in the connection path does not correspond to a valid connection point for the target application INVALID CONFIGURATION FORMAT instance number specified for the configuration data does not correspond to a configuration instance _ E REQUEST FAILS SONCE THERE IS NO CONTROLLING CONNECTION CURRENTLY OPEN The extended status code shall be returned when an attempt is made to establish an echo i e listen connection to a connection which has controlling connection i e owner 3c T
35. ly assigns IP address to devices by the DHCP server If there is no DHCP server in the network the static IP must be used Please refer to the section 4 2 1 2 Dynamic Configuration Each GW 7472 on the network must have a unique IP address Static IP Address ENIM This field is used to assign an IP address for the GW 7472 The subnet mask defines which IP addresses of the network device are in the same sub network A gateway or router is a device that is used to build a connection between two sub networks MAC Address The MAC address of the GW 7472 Update Settings Click this button to save the new settings to the GW 7472 GW 7472 User Manual Version 2 1 March 2013 29 4 2 1 1 Manually Configuration In manually configuration you have to assign all the network settings by yourself The steps are shown below Step1 Select the Static IP Step2 Enter the network settings otep3 Click the Update Settings button to finish the configuration Network Settings o Update MAC Address 00 00 0 80 00 Address Type SSIR v Settings 4 Static IP Address 192 168 1 100 Subnet Mosk 255 255 0 0 Default Gateway 192 168 M 4 2 1 2 Dynamic Configuration The procedure of the dynamic configuration is very easy If you have a DHCP server network address can be configured dynamically by the following steps Step1 Select the DHCP
36. mber Max Instance Attributes 7 UINT 07 dec Get ID Number Instance Attributes Instance ID AWributeiD Name DataType DataValue Access Rule Product Minor Revision USINT 6 SerialNumber UDINT Unique 32bitvaue _ Product Name Structure of Product Name Size SHORT mU Product Name String STRING GW 7472 Common Services Implemented for Service Code Service Name Get Attribute Single Yes Yes 01nex Get Attributes All 1 2 6 7 1 2 3 4 5 6 7 GW 7472 User Manual Version 2 1 March 2013 49 3 Message Router Object 02 The Message Router Object is used for routing the Explicit Message or UCMM to access the instance of the object with specific Class ID Instance ID and Attribute ID It provides two kinds of services for accessing any objects in the GW 7472 Class Attributes Instance ID Ohex Attribute ID DataType Data Value Revision UINT 01 2 Number of Instances UINT 01 e p Max Class Attributes ID UINT O7 dec Number Max Instance Attributes UINT 0 ID Number Common Services oes memes for Service Code Service Name Giese anes Get Attribute Single Yes Get Attributes Al GW 7472 User Manual Version 2 1 March 2013 50 4 Assembly Object 4 An EtherNet IP Assembly Object assembles data from other objects into input and output package
37. n be used 5 5 UCMM The UCMM are also applied for accessing all of the objects in the object model The main feature of the UCMM is that you can send the UCMM without building a connection It is a simple method for EtherNet IP to get the information of all objects However because of using UCMM without building a connection the reliability of the message transmission is worse than the Explicit Message 5 6 Assembly Object The GW 7472 supports one input instance one output instance and one command status instance in Assembly Object Each of these instances is mapping to the register data of the Modbus slaves After you use the Utility to configure the GW 7472 the mapping information between the registers of the Modbus slaves and the instances of the Assembly Object is created by following the configuration order of the Modbus commands defined by the Utility A GW 7472 User Manual Version 2 1 March 2013 45 GW 7472 allows setting maximum 30 Modbus commands and 80 Modbus TCP commands to get the register data of the Modbus slaves The unit of the input instance and output instance is BYTE Therefore no matter the data format is Coil 1 bit or WORD all of the register data of the Modbus slaves will be assigned to the instances of the Assembly Object by using BYTE format While creating a mapping table the data in the same Modbus command will be put together and be mapping to some section of the instance by using integral n
38. nual Version 2 1 March 2013 10 2 2 Features 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 VO 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 gt Transport and trigger Exclusive Owner Cyclic gt Originator to Target POINT2POINT gt Target to Originator 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 GW 7472 User Manual Version 2 1 March 2013 17 Modbus Features Modbus Protocol
39. od of dynamically mapping 32 bit IP address to the corresponding 48 bit MAC address The term dynamic is used since it happens automatically and is normally not a concern for either the application user or the system administrator 2 Clients and Servers The client server paradigm uses the direction of initiation to categorize whether a program is a client or server In general an application program that initiates peer to peer communication is called a client End users usually invoke client programs when they use network services Most client programs consist of conventional application program develop tools Each time a client program is executed it contacts a server sends a request and waits for a response When the response arrives the client program continues processing Client programs are often easier to develop than servers and usually require no special system privileges to operate By comparison a server is any program that waits for incoming requests from a client program The server receives a request from a client performs the necessary computation and returns the result to the client GW 7472 User Manual Version 2 1 March 2013 61 3 Ethernet The term Ethernet generally refers to a standard published in 1982 by Digital Equipment Corp Intel Corp and Xerox Corp Ethernet is the most popular physical layer local area network LAN technology today Ethernet is a best effort delivery system that uses CSMA CD technology
40. on of CIP from ODVA for more details on this attribute GW 7472 User Manual Version 2 1 March 2013 56 7 Ethernet Link Object The Ethernet Link Object contains read only data that describes the status of the physical Ethernet link You can t directly control any attributes of this object Class Attributes Instance ID Ohex Name DataType Data Value UINT m UNT Ge _ Number of Instances UINT 01 dec _ Max Class Attributes ID UINT O7 dec Number Max Instance Attributes UINT ID Number Instance Attributes Instance ID 1hex Attribute ID Data Type Default Data Value L prse speed Flags DWORD Physical Address ARRAYof 6 00 OD EO XX XXn USINTs Common Services go T for Service Code Service Name Claes BEP ENEL Get Attribute Single Yes Get Attributes Al Sm Section 5 4 2 2 1 of Volume 2 EtherNet IP Adaptation of CIP from ODVA for more details on this attribute 9 s Section 5 4 2 2 2 of Volume 2 EtherNet IP Adaptation of CIP from ODVA for more details on this attribute Section 5 4 2 2 3 of Volume 2 EtherNet IP Adaptation of CIP from ODVA for more details on this attribute GW 7472 User Manual Version 2 1 March 2013 57 8 CIP General Status Code Reference Volume 1 CIP Common Specification Appendix B General Status Code Status Name Desc
41. ons Objects are classes that must be supported by all devices using the same profile An example of a profile is a Discrete I O device or an AC Drive This ensures that devices from different vendors but with the same profile have a common interface to EtherNet IP Client devices For example every AC Drive device must have a motor object among its required application objects The attribute numbers for the maximum motor frequency and other motor data are predefined by the AC Drive profile to simply access to any device supporting the AC Drive profile Vendor Specific Objects are classes that add attributes and services that don t fit into the Required or Application Objects The required objects of the GW 7472 are list as below Identity Object 0x01 Message Router Object 0x02 Assembly Object 0x04 Connection Manager Object 0x06 TCP Object OxF5 Ethernet Link Object OxF6 GW 7472 User Manual Version 2 1 March 2013 48 2 Identity Object 01 The Identify Object provides read only data that describes the general information about the device The information may be the EtherNet IP Vendor number the major and minor revision and the serial number of the device Your EtherNet IP scanner has no direct control of any attributes in this object Class Attributes Instance ID AttributeID Name DataType Data Value UINT 1 UINT Number of Instances UINT Max Class Attributes ID UINT 07 dec Get Nu
42. r Object for routing When the EtherNet IP scanner communicates with the EtherNet IP adapter of the GW 7472 the GW 7472 replies the corresponding information At the same time the EtherNet IP adapter exchanges the output data with the Modbus master GW 7472 User Manual Version 2 1 March 2013 43 CVn 277773 Modbus Master Modbus slave registers Device 1 Device 2 Device 30 Data Data CP IP Ethernet Object Link Object 5 Asembly Object 04 Instance 64 Gene t t ut 1 ay AM GW 7472 User Manual Version 2 1 March 2013 5 2 Explicit Message Explicit Messages are applied for accessing all of the objects in the object model The specific instances and attributes for each Object Class are presented in Appendix A EtherNet IP Object Model Before using Explicit Messages you must use the Forward Open service of the Connection Manager Object to build a connection between the EtherNet IP scanner and the GW 7472 Afterwards the Explicit Message can be used 5 4 Implicit Message Implicit Messages are applied only for accessing the Input Instance 65 and Output Instance of the Assembly Object in the object model Before using Implicit Messages you must use the Forward Open service of the Connection Manager Object to build a connection between the EtherNet IP scanner and the GW 7472 Afterwards the Implicit Message ca
43. ription of Status Success Service was successfully performed by the object specified Connection failure A connection related service failed along the connection path Resources needed for the object to perform the requested Resource unavailable service were unavailable The path segment identifier or the segment syntax was not Path segment error understood by the processing node Path processing shall stop when a path segment error is encountered The path is referencing an object class instance or structure element that is not known is not contained in the processing Path destination unknown mE node Path processing shall stop when a path destination unknown error is encountered The requested service was not implemented or was not defined for Service not supported this Object Class Instance 09 Invalid attribute value Invalid attribute data detected Attribute not settable A request to modify a non modifiable attribute was received The service did not supply enough data to perform the specified Not enough data operation Attribute not supported The attribute specified in the request is not supported Too much data The service supplied more data than was expected Object does not exist The object specified does not exist in the device A parameter associated with the request was invalid This code is used when a parameter does not meet the requirements of this Invalid parameter E EE sp
44. rmware is not necessary to update when it works well If there are some bugs in the firmware of your GW 7472 or you need new functions which don t support in your GW 7472 the firmware update is necessary If the firmware update procedure 15 broken unfortunately please try it again Before updating the firmware you have to set the Init Switch to position and then re power on the GW 7472 Since the flash becomes writable we can update the firmware through the Ethernet network 222 0 ee 55 555 2 EC odate t m Yes Factory Mm EM Y Gateway EI Blexd i 10 100 00 01 COMI 85 485 85 422 Note 1 Well configure the network settings of your the update procedures through Ethernet network may not work correctly 2 The program server may not run correctly if there is another TFTP server running on the same PC 3 The BOOTP and TFTP protocols use the Ethernet UDP port 67 68 and 69 Please confirm that the firewall of the Windows system or anti virus software can pass these UDP ports GW 7472 User Manual Version 2 1 March 2013 5 step1 Click the Download item to open the Firmware Download dialog Step2 Enter the MAC address of the GW 7472 and an available IP address which will be temporally assigned to the GW 7472 via the BOOTP protocol After finishing the firmware update this IP address is useless Step
45. s are both 0 otep3 Click the Confirm button to input the IP setting Step4 Click the Update Settings button to finish the configuration MBTCP Server Setting server No severe 192 22 GW 7472 User Manual Version 2 1 March 2013 32 4 2 4 Setting File Management Item Descriptions Description Load File Load the setting file to configure the parameters of GW 7472 Save the setting file of the current configuration of GW 7472 7 Note Only setting files output from GW 7472 Utility be loaded to configure the GW 7472 4 2 5 Byte Order Setting There two options of the Byte Order Setting Descriptions Description High Low The high byte is shown in front of low byte Low High The low byte is shown in front of high byte Example Byte Order sette High Low C3 Low High Order setting C3 High Low High GW 7472 User Manual Version 2 1 March 2013 33 4 2 6 Modbus Request Settings The settings for the Modbus commands are provided as the following list Descriptions Description The device options specific the Modbus network type and the Device Options number of Modbus TCP slaves The option can be RTU TCP No 0 TCP No 1 TCP No 2 to TCP No 9 Supported Modbus Function codes Function Code OT hex 02nex 4 OShex OF hex and 1
46. s that are exchanged with the EtherNet IP scanner Input objects refer to the collection of data items that are transferred from the server the GW 7472 to the Client maybe the EtherNet IP scanner Output refers to the collection of data items that are transferred from the client maybe the EtherNet IP scanner to the server the GW 7472 The GW 7472 provides Input Output Status Assembly for transferring data and status from the Modbus RTU network to the EtherNet IP scanner Generally before using an EtherNet IP scanner you need to configure what object and instance you are interesting Therefore the following table must be applied to confirm the Class ID Instance ID and Attribute ID when using the configuration tool of the EtherNet IP scanner If the configuration tool of the EtherNet IP scanner supports the EDS loader you can get the EDS file of the GW 7472 by using Utility Please refer to the section 4 2 4 for more details INPUT OUPUT ASSEMBLY Input Instance 5 Output Instance 66hex The input output instance stores the Modbus Register data for the access of the EtherNet IP scanner The register data for all the Modbus nodes are packed into a maximum 500 byte data of the EtherNet IP package The size of the input output instance is dependent on all the Modbus Read register data assigned by the Utility Class Attributes Instance ID Ohex AttbuteID Name DataType Data Value UINT Get Get 3 Number of
47. tas sete eene see eena see enaue 39 4 3 3 MOGDUS TCP Servers 40 GW 7472 User Manual Version 2 1 March 2013 2 4 4 UPATE e 41 5 R W Modbus devices from EtherNet If 5 1 ODJECE MOGET nT 43 5 2 Explicit 1 1 45 5 4 ununi iura MN 45 5 5 UCMM 45 5 6 AssenmbDiv 45 6 Su pported od bus m u n ication Hr EtherNet IP Object Model 48 Appendix A 1 Device ODJECE 48 2 Identity Object 49 3 Message Router Object OZias gt 50 4 Assembly Object OA C eU VERA HERMANN Geass 51 5 Connection Manager Object 0 11 54 6 TCP IP Interface Object 5 ssccscscccscscccsssccesccscesssccssssecscscececasecesssecscnsesacssesasscssscnsncsassesscsscssasesnsssesesasceasases 55
48. the Modbus slaves according to the sequence defined in the utility tool The input and output register data of the Modbus devices are updated as soon as the GW 7472 could 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 GW 7472 User Manual Version 2 1 March 2013 6 The following figure briefs the concept of the data exchange between the EtherNet IP and the Modbus network In this system there are two Modbus slaves along with two Modbus TCP servers connected to the Modbus master client provided by the GW 7472 The EtherNet IP adapter interface of the GW 7472 is connected to an EtherNet IP scanner through an Ethernet switch Register data of the three Modbus slaves is presented to the EtherNet IP scanner as the data EtherNet IP Network gt GW 7
49. tus Instance Attribute ID Name DataType Default Data Value Serial Data Structure of 1 Command status BYTE All Get Set i et Se 2 Command status fixed to 30 30 Command status Command Status Explanation in hex No Error Illegal device ID Illegal function code Illegal data address Receiving an Invalid command CRC checking error Timeout error occurred Common Services for Service Code Service Name Class BEP Get Attribute Single Set Attribute Single GW 7472 User Manual Version 2 1 March 2013 53 5 Connection Manager Object The Connection Manager Object allocates and manages the internal resources associated with both Implicit and Explicit Messaging Connections The specific instance generated by the Connection Manager Object is referred to as a Connection instance or a Connection Object Class Attributes Instance ID Ohex AttributeID Name Data Type Data Value Revision UINT O Lass Max Instance UINT 3 Number of instances UINT i j 2 3 Max Class Attributes ID UINT O7 dec Number Max Instance Attributes UINT ID Number Common Services E Br for Service Code Service Name Class Get Attribute Single 01nex Get Attributes All wee Forward Close Yes Forward Open GW 7472 User Manual Version 2 1 March 2013 54 6 TCP IP Interface Object F5 x T
50. umber of bytes The input register data of the first Modbus command defined by the Utility are mapping to the most front end of the input instance The input register data of the following Modbus command are mapping to the following section of the input instance The situation is the same at the mapping of the output instance The maximum data size of the input instance and output instance are 900 bytes respectively Ihe following figure shows the general concept of the mapping information of the input instance and output instance For details about the input output and status instances please refer to the Appendix A 4 Assembly Object 0445 EtherNet IP Scanner GW 7472 User Manual Version 2 1 March 2013 46 5 Supported Modbus Communication Read output status Read input status Read multiple data registers Write Single Coil Write Single Register Write multiple bits Write multiple data register Read input registers o 6 GW 7472 User Manual Version 2 1 March 2013 17 Appendix A EtherNet IP Object Model 1 Device Object Model The Device Object Model is the logical organization of attributes classes and services supported by a device Objects are composed of attributes and services There are three types of objects in any CIP device Required Objects Application Objects and Vendor Specific Objects Required Objects are object classes that must be supported by all devices on EtherNet IP Applicati

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