Step by step directions for setting up an S7 connection using TCP/IP to IFIX SCADA. Connecting IFIX SCADA to Siemens S7 using TCP/IPSetting up an S7 connection using TCP/IP The TCP/IP method of communication to the S7- 3. S7- 4. 00 PLC's via TCP/IP communication module uses the S7. WIN, S7. WINSP, S7. NT, or S7. NTSP protocol. Software requirements Siemens SIMATIC NET software v. SOFTNET- S7 Industrial Ethernet IFIXSCADA v. Windows XP + SP1 Hardware requirements Standard network card S7- 3. CPU3. 15- 2 DP Siemens power supply PS3. A Siemens CP3. 43- 1 TCP The hardware modules occupy the following slots in the Siemens PLC: Siemens power supply S7- 3. CPU 3. 15- 2 DP Ethernet CP3. TCP Example configuration All wiring should be installed according to Siemens documentation. Installing the SIMATIC NET software You must log in as an Administrator to install the SIMATIC NET software. Close all other running applications, including any antivirus software you may be running. On the SIMATIC NET flash screen, start the installation by clicking Install SIMATIC NET Software.
![]() The PC configuration screen appears. Click Next. Select the English language option, then click Next. Click Next again. Click yes to the licensing agreement screen. Enter your Name and Company on the User Registration screen. If you already have SIMATIC NET software installed, this will be the drive selected by default. Clear the Run automatic authorization option, and then click next. The Setup: Configuration screen appears. Select all application options to be installed. This is necessary if you do not already have STEP7 installed on your machine. If STEP7 v. 5. 2 or higher is already installed, you do not have to select the NCM PC/S7 v. Click Next. The applications you selected are installed. At the prompt, click OK to restart your system. The system restarts and installs the selected applications. Click Finish to restart your system again. The SIMATIC NET software is now installed. Configuring the SIMATIC NET software This step involves using the Commissioning Wizard to configure the software you installed in the previous step. Configuring the module When your system restarts after the software has been installed, your system's hardware configuration is scanned. The Commissioning Wizard appears automatically. You can also access the Commissioning Wizard at Start/Simatic/SIMATIC NET/Settings/Commissioning Wizard.) The number of steps required depends on the number of PC Ethernet cards (or modules) detected in your PC. The more modules you operate in the computer, the more steps are required. Click Next. An Ethernet Network Card with with the IP addresses settings shown above was found. This is the network card that will be configured for communication with the Siemens PLC. This is put on index 5. Note: The index of the network card can be set with the NCM PC Configuration (hardware configuration). The station index defaults to 5 if you use the Commissioning Wizard. Select the Use the module for productive operation in configured PC station option, and then click next. Clear the SIMATIC NET OPC Server in configured PC Station option and select the Configure more applications option. Then click next. Register the names for your user application: enter VFD1 in the Name text box. This user application is put on index 1. Click Next. Note: The name of the application is the VFD name. This comes later in the IFIX Project Editor under Communication | Ports in the Special options text box. Click Next. This screen appears, confirming you have completed configuring the module: The configuration is saved and the PC station is reconfigured. Your existing configuration data is overwritten. Click OK to confirm at the prompt. This completes the module configuration. Configuring the project with the PC Station Wizard The next step to configure the project using the PC Station Wizard. Start the PC Station Wizard. Choose Create a new project and configuration. A new project is created. Click Next. Define a new Project name; this example uses IFIXS7. Specify where the copy of the local PC station settings resides, and then click Next. Select the Edit network and connection configuration option, and then click Finish. Net. Pro automatically starts, displaying the network configuration. Click the Application box in the PC station, and then choose Insert | New Connection. The Insert New Connection dialog box appears. Choose the Unspecified item in the tree. From the Type menu in the Connection area, choose S7 connection. Then click Apply, and then click OK. In the Properties - S7- Connection dialog box, the local IP Address should be the address of the Ethernet card in the PC. This example uses 1. The partner IP Address should be that of the Ethernet CP3. PLC, in this case 1. The Local ID is the connection identifier of this connection (here it is S7- Connection_1). It will be used later on as the address of the IFIX I/O device. Click Address Details. Note: The Local ID S7- Connection_1 is used later in the IFIX Project Editor under Communication | I/O Devices in the I/O Device Address text box. This name is case- sensitive and cannot not contain any spaces. In the Address Details dialog box, enter the card location of the CPU that the SIMATIC S7 communicates with. Here the card location is 2. Click OK. Note: Some power supplies might occupy 2 slots. If so, the card location of the CPU is one higher at 3. In the Net. Pro window the new S7- Connection_1 connection appears. Choose Network | Save and Compile. The Save and Compile dialog box appears. Select the Compile and check everything option, and then click OK. After completing the save and compile operation, a message appears in the Net. Pro window. This indicates the warnings and errors present in the configuration. If warnings occur here, then this is to be handled as information only. But if errors occur, the project configuration cannot be loaded. To view errors, choose View |Outputs. Highlight by clicking on the PC Station (TESTXP). Afterwards the connection table disappears in the message window. From the Net. Pro menu choose PLC | Download | Selected Stations to transfer the project configuration to the PC. Alternatively, right- click the PC Station and choose Download | Selected Stations. To confirm the overwrite of configuration data and to proceed with the download, click Yes. To confirm stopping the Target Module (Network interface Card), click OK. The configuration should now be successfully loaded. Exit Net. Pro and click next, and next again to finish the Commissioning Wizard. If you have errors, see for details. Defining an access point for the application The next step is to define an access point for the application. The Configuration Console should appear after terminating the Commissioning Wizard. If it doesn't, open the Configuration Console by selecting START / SIMATIC / Simatic Net / Settings / Configuration Console. In the Configuration Console dialog box, right- click the Access Point object, and choose New | New access point. Note: You can choose any name for the Access point, but it cannot contain spaces and be longer than 3. In the New access point dialog box, enter your access point name (this example uses IFIXS7). Select the hardware component that will be associated with this access point (TCP/IP - > ASUSTe. K/Broadcom 4. 40x in the example). Note: The access point name is used later in IFIXSCADA in the Project Editor under Communication | Boards in the Special Options text box. The access point name is case- sensitive. After creating the access point the Configuration Console should look like this: Close the Configuration Console. This completes the Simatic NET software configuration. Configuring the S7 driver The IFIX S7 driver needs three names (settings) from the SIMATIC NET softwareconfiguration. The following points are needed: SIMATIC NETConfigurationexample. IFIX Info. Access point of the application. IFIXS7. Boards, Special options. Field. VFD/Application Name. VFD1. Ports, Special options Field. Name of the connection (or Local. ID)S7- Connection_1. IODevices, Address Field. Using the Express Wizard You use the Express Wizard to configure your communications. In IFIX Explorer, create a new (empty) test project. In the IFIXSCADA Project Editor, choose Communication | Express Wizard. In the wizard. Create a new I/O Servers e. IOServer. Create a new I/O Device e. IODev. Select external as the type of the I/O Device (PLC): Select the Siemens | S7- 3. S7- 4. 00| TCPIP using NE2. CARD for Windows NT for NT/W2. K/XP/2. 00. 3, or the TCPIP using NE2. CARD for Windows 9. ME option. Define the name of the connection. Can Siemens PCS7 be considered as a True DCS? Can Siemens PCS7 be considered as a True DCS? All the Vendors claim their offering is a true DCS and 'can perform the assigned role'.. As a specialist Control System Professional, I am involved in the selection of Industrial Automation Systems for Power Plants of varying capacities. Against our bid enquiries for Distributed Control Systems (that should have superior features with Optimisation, Hot Swapping, Integral So. E, Compliance to 'Open Architecture or with Fast Ethernet', vendors of all kinds submit their offerings. All the Vendors claim their offering is a true DCS and 'can perform the assigned role'. It appears the following products are not truly comparable in character and functional capability. Siemens PCS7, XPadd. ABB AC 8. 00. MMetso DPU4. FYokogawa CS1. 00. Honeywell Experiod, UC9. I would be very thankful for valuable inputs from professionals on the above products justifying them as true DCS or otherwise. Thanks and regards. Dr. R. Murugesandrmurugesanr@gmail. Honeywell Experiod, UC9. Two different products. Experion is a DCS. The HC- 9. 00 is a hybrid controller. It has redundant controller & power supplies, but not redundant I/O. I/O limitation is on the order of 2,0. HC is great for what we use it for, but it isn't a DCS. Bud. Dear Mr. Bud,Thank you for your response with brief but valuable info on Honeywell HC9. HC9. 00 cannot be classified as a true DCS. Several automation solutions {DCS, PLC, Hybrid or PC- based with packages like Wonder. Ware} can serve a given set of plant automation needs. The overall architecture capability, processing performance, operational convenience and readily meeting future needs like integrating with an ERP cannot be ensured by all such options. A true DCS is expected to cater to all such needs. In the light of above, will you or other interested professionals post your valuable inputs to my mail posted on March 2. Thanks and regards,Dr. R. Murugesandrmurugesanr@gmail. Dear Dr. R. Murugesan,Please add the Foxboro I/A Series DCS from Invensys to your list. I personally headed a team of Engineers in the purchase/configuration/installation/commissioning of a 1 million dollar I/A system back in the nineties. As the Lead Engineer I made sure that the team had adequate training at Foxboro (6 weeks), coupled with bi- monthly 1 week visits to our site by a Foxboro Engineer to monitor our progress and answer any queries during the 1 year project. The I/A system is so robust and intuitive that it was a pleasurable task for all of us involved from start to finish (and a successful finish on time too!). Years later I worked in a team of Engineers in the purchase/configuration/installation/commissioning of a medium sized Siemens PCS7 System. What a difference, someone boobed and assumed that a PCS7 System is just PLC Step. SCADA Win. CC. IT IS NOT!!! The two main logic tools used are FBD (Function Block Diagram) and SFC (Sequential Function Chart) which are configured and compiled before being downloaded to the PLCs (or Automation Stations in PCS7 lingo) consequently there was no budget for training... To make it worse somebody decided we should use Siemens PDM (Process Device Manager) for the configuration of the hundreds of Profibus PA instruments/valve actuators and Siemens Simocode motor starters on Profibus for motor control, on which we had little experience. The software configuration was a real battle and a steep learning curve from start to finish (and a finish 1. Thankfully the Siemens hardware was excellent (as usual) with only one major module failure (which was in a redundant configuration anyway) during the 2 years we were involved. I guess I need another PCS7 project to apply all the knowledge gained from the mistakes we made.. Turning to the "is it a DCS" question, PCS7 Version 6. Inter Automation Station (AS) signals had to be set up manually as there was no tool in FBD or SFC to select a signal from a different AS when configuring. Unlike the Foxboro I/A System). However the latest PCS7 system is at Version 7, so hopefully this has been fixed? Kediri. Referring to your point about Inter AS communication the latest version of SPPA T3. T3. 00. 0 is being developed to have functionality of both T3. Tec. 4FDEWould you please elaborate on this if you have heard the same? DCS = Distributed Control System. This is the pure definition of a DCS. Your bid inquiry is someones definition on what they want / need for their plant. Too often engineers get hung up on generic nomenclature (PLC, DCS, PAC, etc.) Today many of the control products on the market can in fact be implemented in a DCS configuration. I'm not a big fan of the Siemens product line but the ability for controller to communicate with each other and HMI's allows you to distribute control among many controller working together to run your plant. Thus multiple PACs / PLCs can be setup in a distributed control architecture. The other items you mention are by definition "other" features of the control system. Some systems work better at distributing control and I/O, while others work better at a single task. Every system has strengths and weaknesses so you should utilize the system that best accomplish what you need in a system. Dear Dr. Murugesan. The PCS 7 system from Siemens is a DCS. All the features and functions needed to be a DCS are designed into the product. We compete head- to- head with the other major vendor's DCSs, including Honeywell's Experion PKS, Emerson's Delta V, Foxboro's I/A Series, Yokogawa's Centum CS 3. ABB's System 8. 00x. A. Some of the components of PCS 7, for example, S7- 4. Win. CC software, are also sold separately and compete directly with other vendor's PLC and HMI products. This can cause confusion. I'm interested in learning why you're considering PCS 7 for a power application, though. PCS 7 is designed for the chemical process industries (chemicals, refining, oil and gas, pharmaceuticals, industrial gases, glass, cement, etc.)Siemens latest DCS for power applications is the Siemens Power Plant Automation T3. SPPA- T3. 00. 0). The System has been designed to perform power plant automation tasks: turbine control, boiler control including boiler protection, balance of plant (BOP), etc. Victor Bast, Application Engineer. Siemens Energy & Automation. Process Automation Systems. Victor. Bast@Siemens. Dear Mr. Victor,Thank you for your clarifications. Being associated with Siemens, veritably you chose to highlight the aspects of Siemens system in comparison with or superior to contemporary offereings of other system Vendors in question. For reasons best known to Siemens India and their System Integrators (through whom only Siemens systems are offered in India!!), only PCS7 platform is offered even for Power Plant applications. Would appreciate your detailed comparative product feature tabulation with Siemens PPA T3. Power Plant Automation (comparing with ABB 8. A, Honeywell Experion. PKS, Foxboro IA and Yokogawa CS3. Thank you for your support in our quest. Regards,Dr. R. Murugesan. Is the SPPA- T3. 00. Teleperm- XP?- - Best Regards,Shahid Waqasshahid. Good guess, almost right! TELEPERM XP (TXP) system was renamed SPPA- T2. Siemens PG in April 2. T' is for Teleperm. There's an SPPA- T1. T2. 00. 0 and T3. Dear Victor,Within the Siemens family (I am too a member) we have different DCS systems. One is the PC based automation system for TPP/ Combined/ Gas turbines/ plants- TELEPERM XP Add (T3. The other one, 'PCS7' system apart from chemicals, refining, oil and gas, pharma, ind. Hydro Electric Power Projects. This system is capable of So. E, machine monitoring & control & other central functions. Thus both of the systems finds place in Power Plant applications. Regards,Samit Mathur. Dear Samit. I feel you are not aware that Teleperm XP add and T3. Teleperm XP add is named as SPPA T1. Siemens PCS7 is 1. T1. 00. 0 or Teleperm XP add. Teleperm XP add uses Simatic I/Os with CP 5. Power Generation has presentley 2 systems SPPA T2. Teleperm XP and SPPA T3. These two systems are german made system. T 1. 00. 0 i. e. Teleperm Xp add is Indian made system with virtual controller. A PC loaded with softwares. It has a soft controller not the microprocessor or Embedded electronics based. Regards. Durgesh Jha. Dear Durgesh,I want some technical details for SEIRUG- P hardware, which is used for SPAA- t. Please let me know where can I get docs related to SPAA- t. Regards,raja. SPPA- T1. Indian system - it's sold only in India - no ref.
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