PI Connectors
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PI Connectors feedback page!
We created this forum to hear your ideas, feature suggestions and feedback on PI Connectors. Please suggest your most important features and design change ideas on this site, and vote for your favorite ideas.
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PI BACnet interface doesn't say which PI point caused the device to return Error 31
For the PI BACnet interface, the following error can be returned from the device for a particular request and then written into the message logs:
" >> BACnet error packet received. Error Code: 31; Error Desc: Unknown Object; InvokeID: 0"
However, this log message does not include which request caused the error. This error message should include which PI point resulted in this error so that the customer can easily find the relevant point and either correct the configuration or investigate why the device cannot find the object.
16 votes -
Add failover capability for the BACnet Connector.
Failover similar to the UFO available for UNIint interfaces. Warm failover would be sufficient, although I'm sure there are some who would like cold and hot as well.
7 votes -
Migration from interface to connector
Would like a way to migrate from interface to connector as easily as possible.
7 votes -
trend log objects (BACnet object type 20) available from the connector
BACnet trendlog object present the opportunity to buffer at the edge where the data is collected and to gracefully recover from comms outages if data collection has been impacted.
I would suspect the trendlog object could be handled similarly to the OPC connector HDA approach
5 votes -
Program objects (BACnet object type 16) also bought through by the connector
The program object description is often very useful to understand what the various object instances relate to. At our site the description holds the Asset designation and that would allow correct assignment of the analogue and binary object instances to the correct asset.
5 votes -
Log device information when the Connector receives errors from a device
Currently the Connector logs when it receives errors, but does not print information that can be used to determine which device is reporting the errors.
We currently need to perform a wireshark trace to look at the individual packets to determine which devices are sending errors.
4 votes -
Suppress the creation of "Status Flag" PI Points
The end-user would like to suppress the creation of the "Status Flag" PI Points, as they wish to keep their point count to a minimum due to the license-enforced point limit.
3 votes -
Make the connector a BACnet Device (get a BTL listing)
Some devices can only send COV notifications to other BACnet devices. Since the Connector is not a device and does not respond to who-is messages (and does not listen on port 47808), the connector is unable to utilize COV subscriptions for these devices.
3 votes -
Distribute-Broadcast-To-Network broadcast for Discovery Tool and Connector
When running the discovery tool from a subnet with no BBMD to query BACnet devices on a separate subnet, it seems like the auto discovery tool is seen as a ‘foreign device’, so the devices do not respond correctly.
When analyzing a Wireshark trace, the discovery tool sends an ‘Original -Broadcast-NPDU’ Who-Is request to the BBMD on the other network, because it is seen as a foreign device, the request is not forwarded onto the sub-devices by the BBMD on this separate subnet. We can see that no I-am requests are sent back to the discovery tool.
As the discovery…
2 votes -
Auto discovery on a separate subnet (as foreign device)
When running the discovery tool from a subnet separate from the BBMD and BACnet devices, it seems like the auto discovery tool is seem as a ‘foreign device’, so the devices do not respond correctly. There is no BBMD on the subnet the connector is on.
When analyzing a Wireshark trace, the discovery tool sends an ‘Original -Broadcast-NPDU’ Who-Is request to the BBMD on the other network, because it is seen as a foreign device, the request is not forwarded onto the sub-devices by the BBMD on this separate subnet. We can see that no I-am requests are sent back…
1 vote
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