6/10/2014 10:35 AM | |
Joined: 12/1/2009 Last visit: 9/5/2024 Posts: 672 Rating: (147) |
Dear nicer, you can find excellentgateways here: http://hilscher.com/products_list_group.html?upg=15&pg=22 There are of cause many other manufactures and solutions. Best Regards. |
Give us your feedback and show us your respect! |
|
6/11/2014 10:20 AM | |
Joined: 12/1/2009 Last visit: 9/5/2024 Posts: 672 Rating: (147) |
Hello nicer,
What is the purpose of the S7-300 ? Just as gateway? If yes, why do you notconnect the modbus slaves direct to your S7-400? Is it possible that you can upload us a complete system design layout of your application (with some information about the distances)? I am sure we will be able to support you with an optimal solution. Best Regards. |
Give us your feedback and show us your respect! |
|
6/13/2014 10:33 AM | |
Joined: 4/21/2006 Last visit: 9/17/2024 Posts: 510 Rating: (24) |
New question was splitted to a new thread: "Client" and "Server" in demo project |
6/13/2014 11:31 AM | |
Joined: 12/1/2009 Last visit: 9/5/2024 Posts: 672 Rating: (147) |
Dear nicer, check out the below link: PCS7 All of the modbus blocks are released for PCS7 V7 and PCS7 V8. Software requirements SIMATIC STEP 7 version 5.4 or higher for the CP version of the MODBUS blocks As far the information you provided to us none of these requirements are matching, correct? Then we will need to find something else. BestRegards. |
Give us your feedback and show us your respect! |
|
6/18/2014 2:23 AM | |
Joined: 5/26/2011 Last visit: 8/5/2024 Posts: 456 Rating: (7) |
Exactly, but that's for the newest version ofModbus/TCP CP (2XV9 450-1MB00)or is that the only version available now? I have this old manual "OPEN MODBUS TCP communication via CP343-1 and CP443-1" (Edition 2.1) which has lower requirement than the new manual (Edition 4.3) wherein those hardware and software of mine are compatible. Is that old version available? But if the newer version is really the only one I can get, then it seems we can actually utilize what is on the original architecture, namely, an S7-300, with compatible software and hardware to the newest version, to receive data from the MODBUS TCP gateways and then send the data to the PCS7(S7-300) by either profinet or profibus. What do you think? Thanks for your continuous response!
|
6/18/2014 9:42 AM | |
Joined: 12/1/2009 Last visit: 9/5/2024 Posts: 672 Rating: (147) |
Dear nicer, It is possbile that the available version will still work for you. Do you have the possibility to check thatout with your system? The software can be downloadedand tested for free (in the download section of the same link). That I would try out first. You still have otherSiemens options:
OR
In both cases you willremove the Schneider Gateway and connect the PM's direct to the CP. Non Siemens options are availablewhenconsideringother manufacturers Gateways. If it would be my system I would try toavoidthisuseless S7-300 in any case. Best Regards. |
Give us your feedback and show us your respect! |
|
6/19/2014 8:28 AM | |
Joined: 5/26/2011 Last visit: 8/5/2024 Posts: 456 Rating: (7) |
Doing what is officially not supported seems fearsome to me! I might not have any support for problems that may arise, esp. on the long term.
The gateways also seems necessary since there is another server which isn't Simatic (I thik it's a Schneider software connected to the gateway), they want both. If that's so, it seems the S7-300 CPU "gateway", with compatible software and hardware, was our only option now for the task at hand, what do you think? Thanks for your continous response!
|
6/19/2014 9:45 AM | |
Joined: 12/1/2009 Last visit: 9/5/2024 Posts: 672 Rating: (147) |
Dear nicer,
Do you remember what I was asking for when we were discussing your application? Every time we give asolution you come up with something we are not aware of. Cooperationlooks different.
It does not matter what I think.I already wrote you what I thinkbut it isyour system and not mine.I first thoughtthat you are looking foralternativ or even better solutions but I am wrong.Youhave already taken the decisiontousethatadditional S7-300andjust wanta justification for it. Save our timeand use it. Best Regards. |
Give us your feedback and show us your respect! |
|
6/19/2014 12:23 PM | |
Joined: 12/1/2009 Last visit: 9/5/2024 Posts: 672 Rating: (147) |
Dear nicer, you're not giving up easily, I like that I don't know your capabilities but you should stick to solutions you are able to handle. There is no use of providing you with other possibilites if you strugglelater to implement them.
http://www.matrikonopc.com/opc-drivers/1603/index.aspx
http://hilscher.com/products_list_group.html?upg=15&pg=22
Best Regards. |
Give us your feedback and show us your respect! |
|
6/20/2014 4:56 AM | |
Joined: 5/26/2011 Last visit: 8/5/2024 Posts: 456 Rating: (7) |
1) Ok I would try your suggestion of trying the demo version even my software and hardware is older than the suggested compatibility. 2) Yap, I guess OPCs is another possibility, but it sound complicated to me and I'm sure it wouldn't be far cheaper if it would be cheaper at all. But one advantage would be it's not only the MODBUS TCP, but there will also be a range of other communication protocol that will be enabled. 3) I don't see replacing gateway would help, since the problem is the gateway driver itself. But I guess I should just see this as a remote option. 4) If 1 fails, this I guess sounds the best and simplest option to me (though I doubt for better integrators like you). I didn't know until now that there's already an included MODBUS TCP driver on the TIA Portal library for S7-1200, and since S7-1200 is cheaper than S7-300, that would be doubly better! I just wonder why there's a free library for the 1200 while there's not on the 300.. Anyways, thanks a lot for your continuous response! I would also like to invite you to also help me on this sub-thread:/tf/WW/de/Posts/110034#top Thanks again!
|
6/20/2014 9:12 AM | |
Joined: 12/1/2009 Last visit: 9/5/2024 Posts: 672 Rating: (147) |
Hi nicer , On TCPdifferent terms are used compared to Serialbut meaning the same. Modbus-Serial Modbus-TCP Master=Client Slave= Server So your Schneider Gateway ison the serial side a Modbus-RTU Master to yourPower Meterswhich are the Modbus-RTU Slaves. At the same time the Gateway is at the TCP side a Modbus-TCP Server to yourS7-1200 whichwill be theModbus-TCP Client. So you need to configure a Modbus-TCP Client on your S7-1200. Best Regards. |
Give us your feedback and show us your respect! |
|
6/20/2014 9:32 AM | |
Joined: 5/26/2011 Last visit: 8/5/2024 Posts: 456 Rating: (7) |
I see. So on MODBUS TCP terms, a Client (S7 CPU) would be having many Servers (e.g., gateways) as the Profibus Master have many Slaves? What about my inquiry about the programming/configuration on the gateway side (server)? Thanks for your continuous response!
|
6/20/2014 10:39 AM | |
Joined: 12/1/2009 Last visit: 9/5/2024 Posts: 672 Rating: (147) |
Hello nicer, That gateway needs to be configured but how and by whom I cannot tell you.In case you need to do that you will have to study the gatewaysand PM's documentation. Best Regards. |
Give us your feedback and show us your respect! |
|
7/10/2017 1:13 PM | |
Joined: 6/19/2017 Last visit: 9/6/2024 Posts: 8175 Rating: (172) |
New question published by AutoGen_7545441 is split to a separate thread with the subject CB 1241 RS 485 communication board and 6 power meters: Communication is in good condition but in scanning data from power meters it goes wrong. Best regards |
9/8/2017 8:49 AM | |
Joined: 8/21/2014 Last visit: 9/19/2024 Posts: 1024 Rating: (14) |
New question published by AutoGen_530013 is split to a separate thread with the subject Using CPU412-5H redundant system for modbus communication without any CP card. Best regards |
Last edited by: Jen_Moderator at: 9/19/2017 1:01:14 PMInserted right headline. My Forum is the place to personalize your profile, |
|
Follow us on