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Siemens S7-200PLC User Manual

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Siemens S7-200PLC Ethernet Adapter
ES-ETH-PPI
USER MANUAL
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   Summary of Contents for Siemens S7-200PLC

  • Page 1

    Siemens S7-200PLC Ethernet Adapter ES-ETH-PPI USER MANUAL All rights reserved...

  • Page 2: Table Of Contents

    (5)The usage in the LAN ……………….……………………………………………………………14 1. STEP7 Micro/WIN software setting …………………………………………………………14 2. The communication between the PC and a S7-200PLC………………….………..…………18 3. The communication between the PC and multiple S7-200PLCs……….……….…………...19 4. The intercommunication among the multiple S7-200PLCs……………………………..…….25 (6) Remote communication in the internet ………………………………………………………...26 1.

  • Page 3: Preface

    Before you use,please be sure to read this manual carefully, you will know its powerful and perfect function and simple use. This adapter is used for the communication between Siemens S7-200PLC and Ethernet, Internet or 3G wireless network by the programming interface (RS485 interface) of S7-200 PLC.Please use according to the manual,we won’t assume any liability of property damage or personal injury due to...

  • Page 4: Product Content

    TCP Server,TCP Client,UDP Unicast,UDP Multicast etc many modes.It has 10M/100M adaptive Ethernet interface and 10-bit and 11-bit RS485 interface which meets Siemens technical specifications.You only need to go on simple setting and then let the S7-200PLC go on network communication.

  • Page 5

    ◆Support RS485 baud rate 110~115200bps standard baud rate settable,not support 187.5Kbps baud rate ◆Support PPI communication of RF modem and free port RS485 communication, not support advanced PPI and multi-master PPI protocol ◆Protocols: TCP,UDP,ARP,IP,ICMP,DHCP,BOOTP,DNS ◆Support Dynamic DNS ◆Working mode can be chose TCP Server、TCP Client、UDP multicast and UDP unicast. ◆Built-in Flash memory, can save the setted parameters ◆Support Windows 95/98/ME/NT/2000/XP/2003/XP/Vista/Win7 ◆RJ45 port 1500VDC electromagnetic isolated, RS485 interface 1000VDC electromagnetic...

  • Page 6: External Structure &pin Definition

    (2)External structure &pin definition Ethernet interface: Standard RJ45 socket, automatically adapt 10M/1000M Ethernet .Use the standard network cable, not crossover cable whether you connect the switch or directly connect the PC. The network status LED indicator on the RJ45 socket LINK LED (LEFT,GREEN) ACT LED (RIGHT,YELLOW) State...

  • Page 7

    PLC PPI interface technical specifications, the signal array match S7-200 series PLC PPI interface, and has a 0.5 meter cable, you just simply plug the DB9M directly into the S7-200PLC PPI interface outlet. The signal array of RS485 socket(DB9M pin) Pin No.

  • Page 8: Inner Diagram

    11-bit mode 8E1 communication mode with even parity, is usually used for LAN(intranet)communication. 10-bit mode 8N1 communication mode without parity , is usually used for Internet (Extranet) or 3G wireless network communication. RS485 communication indicator: there are three LED indicators on the panel, and its working state as the following table: Indicator Light on...

  • Page 9

    Plug the RS485 (DB9M) of ES-ETH-PPI into the S7-200PLC RS485 socket and power on the PLC. The same local area network (router) can connect multiple ES-ETH-PPI, but the same IP address is not allowed, there will be conflicts if the same IP , and it only shows one of IP and abnormality.

  • Page 10

    Copy the OEM Device Manager_SPCNML.rar file on the CD to your hard disk and extract it to the current folder, do not modify the folder name “OEM Device Manager_SPCNML” which store the setting software. Double click the following icon in the OEM Device Manager_SPCNML folder to run setting software: ___________________________________________________________________________________________________ - 10 -...

  • Page 11

    Change language to English: Ctrl+L and then press “E”, or select the menu as the picture up Click the Search button in the upper left corner, and then search out all ES-ETH-PPI connected to the router after a few seconds, as shown below: ___________________________________________________________________________________________________ - 11 -...

  • Page 12

    Double-click the ES-ETH-PPI, pop-up dialog box, enter your user name and password to enter the setting interface. The factory default setting: Username = admin, Password = admin Click "Login" to enter the configuration interface. You must firstly click”OK” to effect the modified parameters(parameters not saved at this time) after you modify the parameters in every interface ,then click the "Apply Settings / Restart"...

  • Page 13

    About the detailed instructions of the VCOMM virtual serial port software, please read " VCOMM virtual Serial Port software Manual. Siemens S7-200PLC 11-bit RS485 interface communication parameters: data bits = 8 bits, parity = EVEN (even parity), stop bit = 1, referred to as: 8E1. This is the PLC default mode.

  • Page 14: The Usage In The Lan

    The application of ES-ETH-PPI is very flexible and diverse, not limited to examples described below. You can use the ES-ETH-PPI to connect the S7-200PLC to the Ethernet in order to achieve the data communication from PLC to PC,PLC to PLC, multiple PLCs to PC and among multiple PLCs etc.It can also be achieved the worldwide data communication through the Internet,...

  • Page 15

    connection” mode. Click the "Communication" button to enter the communication settings, double-click "connection" to set the modem parameters. ___________________________________________________________________________________________________ - 15 -...

  • Page 16

    Select the "modem connection" and configure serial port parameters, choose even parity 11 bit mode. ___________________________________________________________________________________________________ - 16 -...

  • Page 17

    Click “Connect" button to establish the connection. Double-click the "Refresh" to search the PLC, and then you can find the all PLCs connected to the network,then select the PLC which you want to operate , in the next step you can upload, download the data.

  • Page 18: The Communication Between The Pc And A S7-200plc

    2. The communication between the PC and a S7-200PLC Set the ES-ETH-PPI network parameters, the gateway of ES-ETH-PPI, PC and router must be same, the DNS server needn’t to be setted because you don’t use the dynamic domain name on the Internet.

  • Page 19

    The setting of ES-ETH-PPI serial port parameters is omitted here, you can see the previous description. Set ES-ETH-PPI working mode as TCP Server, port No. = 27011, waiting for clients to connect. ___________________________________________________________________________________________________ - 19 -...

  • Page 20

    Run the VCOMM virtual serial port software on the PC, set the simulated virtual serial port on the PC. Select VCOMM as Client mode, initiatively to connect the server-side equipment. Choose the device detector to create the virtual serial port. Add a virtual serial port, the remote server IP address = ES-ETH-PPI IP address, remote server monitoring port = ES-ETH-PPI port.

  • Page 21: The Communication Between The Pc And Multiple S7-200plcs

    Of course you can use ES-ETH-PPI to simulate each PLC as a COM port on the PC in order to achieve the data communication and monitoring operation between PC and multiple PLC s 3. The communication between the PC and multiple S7-200PLCs When multiple PLCs communicate with a PC via Ethernet, you need to set every ES-ETH-PPI connected with PLC as TCP Client, set the PC as the TCP Server, let every client ES-ETH-PPI takes initiative to connect the server PC.

  • Page 22

    ES-ETH-PPI, please note that each ES-ETH-PPI IP address must be set to the different addresses. The setting of each ES-ETH-PPI serial port parameters are the same with PLC and they are omitted here, you can see the previous description. Set each ES-ETH-PPI as the TCP Client, the remote host IP = PC IP address, host port = VCOMM software port number.

  • Page 23

    Run the VCOMM virtual serial port software on the PC, set the simulated virtual serial port on the PC. Select VCOMM as Server (server side) mode, accept client connection. Choose the device detector to create a virtual serial port. Add a new virtual serial port, the monitoring IP address = PC IP address, client mode device try to connect the port = VCOMM software port, this is 8000.

  • Page 24

    You can find the all PLCs via communication search of STEP7 Micro/WIN,as shown below. ___________________________________________________________________________________________________ - 24 -...

  • Page 25: The Intercommunication Among The Multiple S7-200plcs

    4.The intercommunication among the multiple S7-200PLCs When multiple S7-200PLC need to exchange data each other, of course UDP multicast mode is the best working mode. Using UDP multicast can directly replace the original multi-point RS485 communication. But please notice that at this time the ES-ETH-PPI only supports S7-200PLC free...

  • Page 26: Remote Communication In The Internet

    This mode is well suitable for upgrading the original RS485 network to Ethernet, the key of the mode is that all the ES-ETH-PPI multicast section address of the same group must keep identical to local port and remote host port number, that is to say, multicast section address and the port number is same,then these ES-THE-PPI belong to the same group, the data sent out by any one will be received by other ES-ETH-PPI of the same group, and there is no master-slave distinction.

  • Page 27: Step7 Micro/win Software Setting

    Some providers such as changeip.com and other dynamic domain name (DDNS) service providers offer free and paid dynamic domain name service, you can consult them for their dynamic domain name service and charges issue. Firstly you need to apply a dynamic domain from DDNS service provider , and download the Dynamic DNS client software, run this software on the host of Server mode.

  • Page 28

    Click the "Communication" button to enter the communication settings, double-click "connection" to set the modem parameters. Select the "Radio / RF modem" and configure serial port parameters, choose no parity 10 bit mode. ___________________________________________________________________________________________________ - 28 -...

  • Page 29

    Click “Connect" button to establish the connection. Double-click the "Refresh" to search the PLC, and then you can find the all PLCs connected to the network,then select the PLC which you want to operate , in the next step you can upload, download the data.

  • Page 30: Remote Communication Between Pc And S7-200plc

    2.Remote communication between PC and S7-200PLC ___________________________________________________________________________________________________ - 30 -...

  • Page 31

    The most economical way to achieve the remote communication in the Internet between the PC and S7-200PLC is that set the ES-ETH-PPI as the client, set the PC as the server, install and run the DDNS software on the PC, and set the port mapping for PC on the router of PC side. As shown...

  • Page 32

    Input the IP address of the router in the IE browser address bar of the remote PC and then appear the router setting interface, set the port simulation for PC, as shown below. If your PC does not use the router to access Internet, then this step can be omitted. The meaning of the above settings is that when the client ES-ETH-PPI visit and access the router's external network IP address (this address is automatically resolved by the domain name, you no longer cares about its change),router will automatically transfer this visiting to the VCOMM virtual...

  • Page 33

    Run the VCOMM virtual serial port software on the PC, set the simulated virtual serial port on the PC. Select VCOMM as Server mode, accept client connections. Choose to use the device detector to create a virtual serial port. Add a new virtual serial port, the monitoring IP address = PC IP address, client mode device try to connect the port = VCOMM software port, this is 8000.

  • Page 34

    Click OK and exit the software and re-run VCOMM, the server VCOMM will wait the connection of client ES-ETH-PPI,then it will create a new serial port COM3 after establishing the connection, and it will appear in the Device Manager of the Windows system, then you choose this serial port in your application software, such as STEP7 Micro/WIN.

  • Page 35: Remote Communication Between Two Pcs S7-200plcs

    3.Remote communication between two PCS S7-200PLCs Two pcs S7-200PLC can achieve remote communication on the Internet via the ES-ETH-PPI, you need a router which supports dynamic domain name (DNS),in order to avoid the high cost of fixed IP address from the local telecom, and this router is very common now, please notice the instructions on the package when you purchase it.

  • Page 36

    Enter the dynamic DNS setting interface of router, input the user name and password of the Dynamic DNS which you applied,as shown below,then you can find our domain name kollew.changeip.net is connected successfully. Click "Restart Router" button or re-power the router to work with the new parameters. Similarly, when two pcs ES-ETH-PPI go on external network communication,you need to set the port simulation on the router connected with the server ES-ETH-PPI,input the IP address of router in the IE browser of PC connected with this router and then enter the virtual server setting...

  • Page 37

    Set the parameters of client ES-ETH-PPI as below: ___________________________________________________________________________________________________ - 37 -...

  • Page 38

    ES-ETH-PPI. So that when the client ES-ETH-PPI connect the domain name of Internet, it will automatically connect to the Internet address (the external network IP address) of the server-side router,the router automatically transfer to the server module, achieve the remote communication from S7-200PLC's serial port to another S7-200PLC’s serial port. ___________________________________________________________________________________________________ - 38 -...

  • Page 39: Remote Wireless Communication In The 3g Wireless Internet

    Internet is available,then the wireless communication between the S7-200PLC and PC, S7-200PLC and PLC can be achieved, which has extended a broader application range. In fact when you use wireless communication, the setting method is almost as same as the previous introduction., only 3G router, wireless network card of different manufacturers may have...

  • Page 40: Remote Wireless Communication Between Pc And S7-200plc

    2. Remote wireless communication between PC and S7-200PLC 3. Remote wireless communication between two PCS S7-200PLCs ___________________________________________________________________________________________________ - 40 -...

  • Page 41: Ordering Info

    (8)Ordering Info Product Name: Siemens S7-200PLC Ethernet Adapter Model: ES-ETH-PPI Appendix: basic knowledge of Ethernet Appendix: basic knowledge of Ethernet TCP / IP transport layer provides two common agreements of TCP and UDP, the two protocols provide the transmission mechanism of TCP / IP network applications. TCP provides a guaranteed and reliable information transmission, and UDP use non-guaranteed and non-reliable method to transmit information.

  • Page 42: Udp

    the connection success the server will go on the duplex data communications. 2.UDP mode UDP protocol is unreliable connectionless protocol, data transmission is not required to establish a connection, do not need to receive confirmation form the host for data transmission, so the UDP protocol does not guarantee the data sent to the target host packets are received correctly, for high reliability requirements of the occasion can use the higher level of communication protocol to ensure data is correct.

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