Gateways and Energy Servers
Schneider Electric support forum to share knowledge about product selection, installation and troubleshooting for EcoStruxure Panel Server, PowerTag, Com'X, Link150…
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Hello,
I have a client that is interested in a very low cost monitoring solution for up to 40 remote sites. I was thinking about implementing the system with a iEM3155 meter on each sited paired with a Link 150 gateway.
The client already has an Ethernet network through their locations. All of the Link 150 gateways would report to a Coom'X 510 Energy Server.
Is this topology addecuate? If so, how many devices/gateways can be connected to a Com'X 510?
Thanks in advance,
Pablo.
Posted: 2017-03-01 07:55 AM
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Hi Pablo,
Hope you are doing well. The architecture you described does sound adequate. The Com'X510 supports up to 64 devices (including gateways).
Best Regards,
Colton Peltier
Posted: 2017-03-01 07:55 AM
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Thanks Colton.
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Hi Pablo
I've had a similar case where we had to take back the Com'X because we've told the customer that the device supported up to 64 devices. Because that's how you would read the datasheet. But this is not the case. The Com'X supports up to 32 serial devices and 32 TCP devices. Not 64 TCP devices. When my customer got to more than 40 TCP devices the Com'x started acting weird.
If you have access to bFO cases you can see the case here:
https://se.my.salesforce.com/5001200000e3Luk
Case: 34471763
So please be careful 🙂
I exchanged the Com'X with a HomeLynk and got around the limit of 10 Modbus devices (limit in the HomeLynk firmware) by creating a script for getting the values instead of the native modbus interface.
I hope this helps.
Best regards, Michael
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Colton Peltier - I have similar questions in regards to PowerTag and Smartlink.
Each Smartlink regardless of SI-D or SI-B, can monitor upto 20 PowerTag each.
So if Com'X 510 can handle upto 32 TCP devices, does that mean I can monitor and datalog measurements from 32x Smartlinks with 20 PowerTag each meaning 640 Modbus devices.
Or is the Local ID configuration is limited to 247 numbers only, which means I can only have 12-13 Smartlinks with upto 247 PowerTag max.
It will be great to confirm this? Thank you.
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Hi Hastak
As I understand it, one PowerTag is to be seen as one modbus device. So one Com'X can handle 32 PowerTags.
BR, Michael
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Hi Michael Johansen I doubt this is the case. This will be the underestimation of Com'X capabilities if I am not wrong.
Colton Peltier - Are you able to confirm, pls?
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Not tried... but I think the power tag is a Modbus slave to a TCP (gateway) device, if one gateway had 20 powertags connected.
I would suspect you could add another TCP (gateway), with a max of only 12 power tags
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Further to this topic, the published documentation is inconsistent on the number of serial devices a COM'X will support electrically and in the software. Some technical documents state 32 RS485 serial devices whilst a FAQ and the document Com'X 200/210/510 Metering and Data Acquisition System Installation Guide gives a limit of 20 serial devices
Please confirm:
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The documentation states up to 20 serial devices and a total of 64 devices per Com X. Modbus rules stipulate a maximum of 32 serial devices including the modbus master but in practice it would be better to limit this to 20, depending on number of topics polled. The absolute maximum number of devices into one COm X is 64, including all gateways.
I have an application with 60 serial modbus meters coming back to one com’x, using 2 Link 150’s. So thats a total of 63 devices, which is within these limitations.
PLease feel free to correct me if this is inaccurate.
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