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CPU 317 (with CP343-1 Lean)-CP1613 A2 card (in PC) and Lookout Scada- is it possible

Created by: luciferC4 at: 8/1/2008 10:30 PM (12 Replies)

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8/1/2008 10:30 PM	Rate (0)
luciferC4 Bronze Member Joined: 1/25/2006 Last visit: 1/30/2025 Posts: 257 Rating: (60)	Hi, in my project I aam going to use PLC S7 300 CPU 317 DP, CP343-1 Lean card which will communicae with PC station where it will be used CP 1613 A2 card (for information, this is my first project where I used IE communication and I must ask for some help). As scada, it will be planned NI Lookout Scada. I read manual for ethernet communication and I have some vagueness. The first, which protocol for communication you prefered for this hardware configuration. Which protocol or which way for sending/receiving data you suggest (FC5/FC6 blocks or Fetch/write way or something else)? Than, is it need to configure on both side connection: I mean, on PLC side and on PC side, in Simatic net software? And the end, how can I "connect" Simatic net software with Lookout scada software. Maybe via OPC server? Can someone explane me a little more about it? Thank you in advance. Zoran

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8/2/2008 10:42 AM	Rate (0)
INS Gold Member Joined: 4/6/2006 Last visit: 2/5/2024 Posts: 604 Rating: (56)	Hi, Since you use a CP1613 A2 I will advice you to use the SOFTNET S7-1613 software. This enables you to use all the functionality of the CP1613 A2, like the use of the Onboard PowerPC which is used for handling the Layers 1 to 4 for the communication process. This will keep your PC free from handling this stuff. If you install this software you can simply use S7 Connections which is the best communciation to use between SIMATIC devices. You can create a one way connection and since you have installed the Simatic NET software (SOFTNET S7-1613) you use a OPC Server. The SCADA software will act as a OPC Client and connects to the OPC Server (Sim. NET) to get the data. The best way to get this working will be to test the OPC Server with OPC Scout. With OPC Scout you can detect or the PC-Station is correctly configured and the data is received properly. If this runs fine then you can test or the data is received by the OPC Client. Good luck and let us know or you created a working solution!
	Best regards, INS
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8/2/2008 8:17 PM	Rate (0)
J_Bell Posts: 5822 Rating: (412)	Hi INS, I agree with you ... absolutely... but there is no SOFTNET S71613... there is either SOFTNET S7 for industrial Ethernet ... also in Lean edition, or S7 1613. But no mix of both. Best regards J_Bell
J_Bell Posts: 5822 Rating: (412)
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8/2/2008 11:07 PM	Rate (0)
INS Gold Member Joined: 4/6/2006 Last visit: 2/5/2024 Posts: 604 Rating: (56)	Hi J_Bell, You are right! Let's call it a typical weekend mistake!
	Best regards, INS
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8/2/2008 11:11 PM	Rate (0)
J_Bell Posts: 5822 Rating: (412)	Hi INS, don't worry... that happens to me all the time... sadly... I know what you mean. Yours J_Bell
J_Bell Posts: 5822 Rating: (412)
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8/3/2008 9:47 AM	Rate (0)
luciferC4 Bronze Member Joined: 1/25/2006 Last visit: 1/30/2025 Posts: 257 Rating: (60)	Hi INS, the first, thank you for your help. I have one more queston: about OPC server, that's mean how Simatic net software to configure as OPC server and if you know where I can find some manual about it. Because I must "connect" Lookout scada with simatic net software. And I need instruction set for data reading/writing OPC/scada (syntax). For configuration PC station I find appropriate manual and now, I think, it's more better and clear in my head. Thank you again, Zoran

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8/3/2008 12:17 PM	Rate (0)
INS Gold Member Joined: 4/6/2006 Last visit: 2/5/2024 Posts: 604 Rating: (56)	Hi, I think you already mentioned the following manual: SIMATIC NET Industrial Communications Commissioning PC Stations - Manual and Quick Start That will be the start. When you have configured this you can start connecting the Lookout system to the OPC Server from Siemens. I think this part must be described in the SCADA system manuals since I'm really not sure or the SCADA system you use is able to act as a OPC Client. But some information about how to address variables with SIMATIC NET is described in the following manual. Industrial Communication with PG/PC Volume 2 - Interfaces Programming Manual If it's nor capable of OPC you can have a look at this manual. It described how to get data from the PLC without using the OPC Layer. It's about how to use the Programming Interface. SIMATIC NET S7 Programming Interface
	Best regards, INS
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8/5/2008 8:31 PM	Rate (0)
luciferC4 Bronze Member Joined: 1/25/2006 Last visit: 1/30/2025 Posts: 257 Rating: (60)	Hi INS, Iread manuals which you adviced me. Ok, in attachment is screenshot of my network configuration made in Netpro of Step 7. You can see components in network. In this case I am interested only for ethernet communication. Profibus is quite clearly. In manual Iread that I have to make new connection. Whether I make connection an side OPC server (I want to make S7 connection between them) or on side CPU (on this side I can't make s7 connection?). You will see in screenshot how I can make new connection. And, in PLC program, I for transfer data from PLC to PC station I used FC5, FC6 blocks for send/ receive data? And the end, on PC station side, mast I make the same configuration? Thank you in advance, Zoran Attachment Ethernet.pdf (465 Downloads)

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8/6/2008 10:36 AM	Rate (0)
J_Bell Posts: 5822 Rating: (412)	Dear Zoran, well I guess we have to explain some here. First of all let us talk about the S7 Connection. The PC is surely able to run a S7 Connection to the CPU 317-2 DP over the CP 343-1 Lean, because the CP is able to run as S7 Server Gateway. The CP 343-1 itself is not able to run a S7 Connection, because of its Server capability alone. To run a S7 Connection the unit needs to be able to be a S7 Client, this CP is not able to be one. The type of S7 Connection that is possible here is a single sided configured Connection, this means that the PC has a Connection configured and the PLC has none. The Connection is handled on PLC side only by the OS of the CPU. So you do not have to worry, as long as enough resources are available. The CPU you use has enough, I think. On PLC side you do not need any Functions or Function blocks to run the communication with this single sided configured S7 Connection. The by you mentioned FC 5 and 6 are only for Send/Receive Connections... which you do not use in this case. I hope I could help a bit. Best regards J_Bell
J_Bell Posts: 5822 Rating: (412)
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8/6/2008 9:18 PM	Rate (0)
luciferC4 Bronze Member Joined: 1/25/2006 Last visit: 1/30/2025 Posts: 257 Rating: (60)	Hi J_Bell, the first, thank you for your explanation. After that, I have a little dilemma: you said that's not neccessary funcion blocks for transfer data. How PC (OPC server)receive/send (read/write)data? Is OPC in this case have directly admission to memory map of CPU or directly read in cycle (100ms, for example)? Best regards, Zoran

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