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OPC Server - routing

Created by: jure O at: 6/26/2007 1:56 PM (8 Replies)

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6/26/2007 1:56 PM	Rate (0)
jure O Posts: 39 Rating: (0)	Dear Experts! 1.) I would like to know if it is possible to establish S7communication betwen OPC Simatic Net Server and SIMATIC 300(1) Station (SIMATIC 400(2) Station), through SIMATIC 400(1) Stationas is it shown in the attached picture. In SIMATIC PC Station I am using CPIE General SW V6.2 SP1 for Industrial Ethernet communication, but I am not shure that this is OK. Thank you Attachment PC Station.JPG (679 Downloads)
jure O Posts: 39 Rating: (0)
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6/26/2007 3:08 PM	Rate (0)
Krish Silver Member Joined: 5/24/2007 Last visit: 4/24/2024 Posts: 284 Rating: (27)	Dear jure O I doubt if you can do that because there is not direct connection between that and the OPC Server. You will need to have an ethernet connection from the CP343 to the Ethernet bus. Krish

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6/26/2007 5:19 PM	Rate (0)
J_Bell Posts: 5822 Rating: (412)	Dear Jure O, it is true, you can not do such a Communication because the Routing function is only useable with STEP 7 but not with other Communication. Best regards J_Bell
J_Bell Posts: 5822 Rating: (412)
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6/27/2007 2:52 PM	Rate (0)
Dorftrottel? Silver Member Joined: 8/10/2006 Last visit: 4/21/2025 Posts: 298 Rating: (29)	Even if you could, I would question why you would want to. I've done it before, multiple times, on other brands of controllers. Sure, I got it to work, sometimes with great difficulty, but it never worked as well as I expected (and never even came close to what I hoped for).

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6/28/2007 9:28 AM	Rate (0)
jure O Posts: 39 Rating: (0)	Dear UnimogMan! You are asking me why I want to do that. Because I think this is the simpliest and cheapestsolution (if it would be possible) for my application. If this would be possible, I couldread tags directlyfrom SIMATIC 300(1) Station, whithout using any additional hardwareor sending data between SIMATIC 300(1) Station and SIMATIC 400(1) Station. Don*t you think so?
jure O Posts: 39 Rating: (0)
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6/28/2007 10:05 AM	Rate (0)
umencho Diamond Expert Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	hi Well, in this case you can connect the CP 343-1 PN to ethernet ( You read directly SIMATIC 300.) But for SIMATIC 400 (2), his data must send to other SIMATICs and read from them. May be this is the faster and easier way without any troubles. with regards, umencho

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6/28/2007 10:45 AM	Rate (0)
jure O Posts: 39 Rating: (0)	Hi UMENCHO Yes, I know for this options wich will cause additional expenses for our customer. So that*s whyI was hoping that I could use some kind of routing option for OPC.SimaticNET Server, like the one used in STEP 7, whithout using any extra hardware or programing.
jure O Posts: 39 Rating: (0)	Last edited by: jure O at: 28.06.2007 10:51
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6/28/2007 10:53 AM	Rate (0)
umencho Diamond Expert Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hi juro O OK, for me is also interesting and I'll be waiting for answering about this type routing. regards umencho

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6/29/2007 8:05 PM	Rate (0)
Dorftrottel? Silver Member Joined: 8/10/2006 Last visit: 4/21/2025 Posts: 298 Rating: (29)	Hi jure, I did not intend to criticize. I did not effectively communicate what I was thinking. While it is an interesting solution, and I too wonder how it will turn out, I've done things like that, in the attempt to save OTS hardware/software cost, and eventually spent 1X to 5X the cost in savings in my time at industry rates -- all to make it work right. You seem very knowledgable - you have probably experienced that same issue. (Hopefully not!) Good luck - let us know if you figure it out. Jim

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