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ION native protocol

Metering & Power Quality

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DLP
Crewman
Crewman

ION native protocol

Hey!

 

I'm looking for some documentation about ION native protocol (tcp 7700). Is there any? 

Does Schneider have any kind of SDK or API to use this protocol in some language?

 

Thanks!


Accepted Solutions
Charles_Murison
Picard Picard
Picard

Re: ION native protocol

Hello @DLP ,

 

No, the ION protocol is propriety and does not have any documents, SDK or API.

 

Regards,

Charles

L4 Prime for Advanced metering and Utilities

See Answer In Context

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6 Replies 6
Charles_Murison
Picard Picard
Picard

Re: ION native protocol

Hello @DLP ,

 

No, the ION protocol is propriety and does not have any documents, SDK or API.

 

Regards,

Charles

L4 Prime for Advanced metering and Utilities
Tags (1)
DLP
Crewman
Crewman
0 Likes
4
379

Re: ION native protocol

Hey! Charles, thank you for your reply.

 

I need to debug some communication problems (data corruption) and need to know the CRC for the ION protocol.

I've tried with many algorithms but nothing works.

May you provide me this piece of information please? (PM)

 

I would be very grateful!!

 

Regards

Luis

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Charles_Murison
Picard Picard
Picard
0 Likes
3
370

Re: ION native protocol

Hello @DLP ,

 

Likely even with the CRC this may not help figure out what was sent to the meter and what was returned. Are you able to capture Ethernet packets? I would assume so given your questions about CRC. You could work with Tech support to help with some of this.

 

Would need to provide a description of what you are trying to troubleshoot, the approximate times you think this is happening and the packet captures (Wireshark for example) of the communications. Any software/meter that gets a packet with incorrect CRC would likely reject the message from meter/software.

 

Regards,

Charles

L4 Prime for Advanced metering and Utilities
Tags (1)
DLP
Crewman
Crewman
0 Likes
2
348

Re: ION native protocol

Hello Charles

 

Thanks for your answer.

 

Now I understand why I was getting no response from the meter. It was not a corruption problem but a crc one.

I need to obtain historical data from the meter (8650), exactly the same as the "load profile" report shows (by government regulation) and also be able to recover the values ​​not transferred during a communications outage.

 

I am trying to read the report "load profile" (total every 15m) by ethernet and I understand that the only protocol that allows it is the ION@7700. I am used to interacting with multiple protocols but in all of them I have been able to identify the crc algorithm without any problem, I don't understand why not in this one.

 

Please your guide to solve this problem.

 

Thank you!

Luis

Tags (1)
DanL
Commander Commander
Commander

Re: ION native protocol

The ION protocol uses the same CRC algorithm as Modbus RTU: a 16bit CRC with polynomial x16 + x15 + x2 + 1 and initial seed value of 0xFFFF (aka CRC-16-ANSI or CRC-16-IBM)

https://en.wikipedia.org/wiki/Modbus#Modbus_RTU_frame_format

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Charles_Murison
Picard Picard
Picard
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0
331

Re: ION native protocol

Hello @DLP ,

 

I have not tried this with ION8650 meter lately but you may be able to also retrieve the logged data using modbus. Have a look at https://www.se.com/ca/en/download/document/70022-0124-01/, Appendix B

 

This would only apply to the ION8650, ION7650/7550, ION8800 meters. ION9000, ION7400 and PM8000 meters this procedure will not work.

 

Regards,

Charles

L4 Prime for Advanced metering and Utilities
Tags (1)