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Another S5 to S7 Upgrade Queastion:S7-300 to ET200U with CP521

Created by: bin mulyadin at: 4/21/2016 11:34 AM (8 Replies)

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4/21/2016 11:34 AM	Rate (0)
bin mulyadin Experienced Member Joined: 3/2/2012 Last visit: 5/21/2024 Posts: 45 Rating: (0)	Dear Experts, The existing system is S5-115CPU main rack connected to two remote I/Os of ET200U using (IM318) 6ES5 318-8MB12. The upgrade scenario are: 1. S5-115CPU rack replaced with S7-300...this should be no problem 2. The ET200U will still be used...as far as I know this also will be no problem 3. In one of the Remote I/Os, there is CP521 (6ES 521-8MA21) connected to a device for meassuring. Now my question is: is this CP521 still can be "used" by S7-300? if yes, please teach me how?I need more document too.

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4/21/2016 4:56 PM	Rate (0)
BeVee Gold Member Joined: 7/18/2011 Last visit: 10/9/2023 Posts: 521 Rating: (91)	Hi I think you will need to replace the CP521 by an S7- CP340 module Kind regards, BV

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4/21/2016 7:59 PM	Rate (0)
sps-concept Gold Member Joined: 4/5/2006 Last visit: 8/13/2023 Posts: 642 Rating: (131)	Hello, you can add a 6ES5 521-8Mxxx in S7 hardware configuration. Then i think it is possible to use it. Regards André Räppel --------------------------------------------------------------------------------- www.raeppel.de work faster with innovative PLC-Tools

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4/21/2016 8:17 PM	Rate (0)
Navnag Platinum Expert Joined: 11/21/2007 Last visit: 9/25/2024 Posts: 2325 Rating: (308)	Hello Theoretically it is possible to retain the CP521 in the ET200U rack even if you connect it to S7-300 instead of 115U. When you insert a ET200U rack in the PROFIBUS network of a S7 system, It allows you to insert Module of type 6ES5-521-8M.. Practically however it will depend on how it has been used in the S5 program. CP521 generally does not have any special communication blocks ( You basically communicate through reading / writing Input/output address areas. ) except for special cases like when you use Loadable Drivers e.g. Modbus. The S5 program of CP521 ( Converted to S7 ) will be basically the same except for the changed I/O addresses when special drivers are not used and in such cases you can retain when rack is used with S7 system. For more details Pl read : CP 521 SI Communications Processor Manual loadable driver MODBUS SLAVE for the CP 521SI BeVee I think you will need to replace the CP521 by an S7- CP340 module CP340 cannot be installed in a ET200U Rack. You will have to Install it in the CPU rack or a separate ET200M Rack. Hope this helps Cheers Navnag
	Last edited by: Navnag at: 4/21/2016 8:25:33 PM There is no such thing as the last bug in a program There are no stubborn bugs, There are only stubborn Debuggers.
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This contribution was helpful to 1 thankful Users bin mulyadin

4/22/2016 5:19 AM	Rate (0)
bin mulyadin Experienced Member Joined: 3/2/2012 Last visit: 5/21/2024 Posts: 45 Rating: (0)	thank you all, I will have a look in to the document...

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4/22/2016 5:40 AM	Rate (0)
bin mulyadin Experienced Member Joined: 3/2/2012 Last visit: 5/21/2024 Posts: 45 Rating: (0)	Dear Expert, I could find the 6ES 521-8M in the catalog, but some how I could not bring it to the hardware configuration. See the attached pic Attachment 2016-04-22 10_38_06-.png (204 Downloads)

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4/22/2016 8:37 AM	Rate (0)
aikona Posts: 487 Rating: (36)	Hi Just as a tip : We replaced a 115U with a S7-412 instead of going for a S7-315. The added bonus is that you can re-use the 115U I/Q connectors ( using an intermediate connector) it save a lot of work ... if you have to disconnect/reconnect 1000+ IQ's Eric
aikona Posts: 487 Rating: (36)
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4/22/2016 8:45 AM	Rate (0)
aikona Posts: 487 Rating: (36)	bin mulyadin Dear Expert, I could find the 6ES 521-8M in the catalog, but some how I could not bring it to the hardware configuration. See the attached pic Hi If you do a search ,you will find that this modules appears a couple of times ...check if you are using it with the right ET200 see jpg Eric Attachment ET200_521.JPG (279 Downloads)
aikona Posts: 487 Rating: (36)
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This contribution was helpful to 2 thankful Users Navnag bin mulyadin

3/7/2017 5:44 AM	Rate (0)
bin mulyadin Experienced Member Joined: 3/2/2012 Last visit: 5/21/2024 Posts: 45 Rating: (0)	BeVee Hi I think you will need to replace the CP521 by an S7- CP340 module Kind regards, BV You are correct, in the next step we prepare the CP340 (ET200M Family) but in the meantime we keep CP521 with existing ET200U racks and it works (with a small changing in S7 PLC program). Thanks all

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