Page 2 - Table of Contents
Table of Contents 1. Objective ........................................................................................................................................... 3 2. Hardware requirements .........................................................................................................
Page 3 - Advanced; Hardware requirements
Objective Chapter 1. 1. Objective The objective of this document is to explain how the eWON can poll data registers out of one or more PLCs.Polling PLC data registers implies the following steps : 1. Linking the eWON with the PLC2. Configuring the eWON IO Server3. Creating tags in the eWON4. Monitor...
Page 4 - always
Hardware requirements Chapter 2. The eWON features the S7200 IO Server that is dedicated to the S7-200 Series PLCs from Siemens. Since firmware 5.7, all eWON types , with serial port and with MPI port, are suited to communicate in both PPI modes (MonoMaster and MultiMaster). The standard serial port...
Page 5 - eWON with MPI port
Software requirements Chapter 3. 3. Software requirements eWON configuration software: The eWON is configured through its web server. All you need is a standard Web Browser software like Internet Explorer or Firefox.Additionally we suggest downloading the eBuddy utility from our website http://suppo...
Page 6 - Implementation steps; Configuration
Implementation steps Chapter 5. 5. Implementation steps 5.1 Step 1 - Configuring the IO Server 1. Go to the eWON Web page either using a point-to-point connection to the eWON LAN port or a VPN tunnel. Click on Configuration in the button bar. 2. Open the eWON IO Server page by clicking the IOServer ...
Page 8 - B. For an eWON with MPI port; BUT they; Note
Implementation steps Chapter 5. 4. B. For an eWON with MPI port , the configuration fields are slightly different. You have to select the protocol PPI MULTIMASTER . As the MPI port configuration is shared by the S7-200 and the S73&400 IO Servers, this combo box shows also the MPI & Profibus ...
Page 10 - Chapter; Step 2 - Linking the PLC with the eWON; Appendix 2 – PPI cables; Dip switch positions; this device has no dip switches
Chapter 5.2 Step 2 - Linking the PLC with the eWON 5.2.1 Introduction The eWON can be connected to the PLC either using a serial connection supporting PPI, an MPI connection supporting PPI or an Ethernet connection supporting ISOTCP. The eWON can be connected to PLCs both in PPI and ISOTCP simultane...
Page 11 - crossed cable
Chapter 5.2.3 ISOTCP Ethernet link Link the LAN interface of the eWON with the Ethernet card of the PLC and make sure that the eWON LAN IP address is in the same range as the PLC IP address. Use eBuddy to change the eWON LAN IP address if it is not within the same range as the PLC. Note: The eWON ty...
Page 12 - Address
Chapter 5.3 Step 3 - Creating tags in the eWON 1. Go back to the configuration menu and select Tag Setup . If you are starting from scratch, the list of tags should be empty. 2. Select Create New Tag to open the tag configuration window and enter the parameters of the tag you want to create. Enter a...
Page 15 - Troubleshooting tags in error
Step 4. Monitoring tags Chapter 6. 6. Step 4. Monitoring tags 1. Go to the View I/O page from the Main Menu to check tag values and status. 2. You can change the value of tags that are configured as read/write unless the box Force Read Only was ticked in the tag creation wizard. To change the value ...
Page 16 - Troubleshooting tags in error; uncheck this box
Troubleshooting tags in error Chapter 7. 7. Troubleshooting tags in error A tag value displayed in red in the View IO page indicates that the quality for this value is considered as bad . When the quality of the tag is bad, a red icon is displayed in the column between the tag's name and the tag's v...
Page 18 - Appendix 1 – Syntax of S7-200 tag addresses; General tag address format
Appendix 1 – Syntax of S7-200 tag addresses Chapter 8. 8. Appendix 1 – Syntax of S7-200 tag addresses 8.1 General tag address format <Memory Type><Modifier><address> 8.2 Memory types Memory Type Description Acceptable Modifiers Address M Internal memory B, C, W , S, D, L, F Byte of...
Page 19 - Bit access modifier; Value Name; Status register; Status; Table
Appendix 1 – Syntax of S7-200 tag addresses Chapter 8. 8.4 Examples Address Pointing to MW4 the Word at address 4 (in bytes) in the Internal Memory HCL1 the High Speed Counter number 1, read it as Signed Word AQW5 the Word at address 5 (in bytes) in the Analog Output zone IB3 the Byte at address 3 (...
Page 20 - Appendix 2 – PPI cables; Standard serial eWON; eWON; to connect on an; eWON with MPI port
Appendix 2 – PPI cables Chapter 9. 9. Appendix 2 – PPI cables 9.1 Standard serial eWON You can use a standard straight RS485 cable with the following pinout: eWON S7-200 DB9-Female DB9-Male pin 3 pin 3 pin 5 pin 5 (or pin 2) pin 8 pin 8 You can also use a standard Siemens MPI/Profibus cable 6ES7901-...