How to Tune the LonNetwork This is for cases where the default timing policies for the LonNetwork aren’t adequate. Distech recommends that you use the BcpLonNetwork. There are features and timings that are pre-configured by Distech. When you “Discover” on a BcpLonNetwork, the device type and model are auto recognized. The device Program ID, GFX Templates and LMNL files are automatically assigned. Installing a new BcpLonNetwork into your database Lon Tuning - LonNetwork Poll Service page 1 of 9 Change the Local Lon Device Node ID --> 126 Change the Node ID to 126 and Commission the Local Lon Device. Lon Tuning - LonNetwork Poll Service page 2 of 9 Discover devices on the BcpLonNetwork • 1) click Discover • 2) Commission the Device Lon Tuning - LonNetwork Poll Service page 3 of 9 Default values on the BcpLonNetwork Lon Tuning - LonNetwork Poll Service page 4 of 9 Lon Tuning - LonNetwork Poll Service page 5 of 9 Lon Tuning Policy LonNetwork – view - property sheet There may be multiple tuning policies depending on which LonNetwork was originally installed. You should use the Bcp Policy for Lon Max Write Time; 0 Distech default 1 Tridium default this is like a heartbeat – will push value every minute Write on Start; 0 Distech default 1 Tridium default When jace reboots – tries to update all points – floods the bus Write on up; 0 Distech default 1 Tridium default Write on Enable; 0 Distech default 1 Tridium default Poll Service Fast 1 sec (default) Normal 5 sec (default) ok to increase – try 30 sec Slow 30 sec (default) ok to increase Polling occurs when points are subscribed Alarm Extensions poll points History Extensions poll points When you look at a page – those points are polled Lon Tuning - LonNetwork Poll Service page 6 of 9 Busy Time Busy Time for Lon Want 70% or less 100% is flooded BcpLonNetwork / View / Properties / Poll Service – Busy Time Accurately determine busy time; Close all program sheets and device property sheet Lon Link Manager and confirm all points are bound Open LonNetwork Property sheet Expand Poll Service property RC Poll Service property – Actions -> Reset Statistics Wait 5 minutes for new data to be collected You want Busy Time to be less than 70% Adjust Normal Rate Poll Time as needed (30 sec is OK) LonNetwork Lon Utility Manager Local Lon Device Reports Network Summary Transmit Errors No Clear Doesn’t clear neuron chip after query Use this to add multiple reports and wait 5 minutes to re-run report see the errors accumulate in number Lon Tuning - LonNetwork Poll Service page 7 of 9 or Reports Network Summary Transmit Errors This will clear error register IF YOU HAVE MORE THAN 10 ERRORS IN 5 MINUTES THEN THE LON BUS MAY BE AFFECTED BY NOISE OR INSTALLATION ISSUES. modify “Lon Comm Config” Some Lon devices process slower than normal resulting in errors when you commission or bind. You can confirm such problems by using Lon Utilities Manager and run a VERIFY Report (after binding). This will list binding inconsistencies. Lon Comm Config parameters (suggested) Repeat Timer Mili Sec 96 (default) Receive Timer Mili Sec 384 (default) Transmit Timer Mili Sec 512 (default) change to mSec 128 change to mSec 1024 change to mSec 128 Retries = 4 Lon Tuning - LonNetwork Poll Service page 8 of 9 Spy the LonNetwork Spy HL the Station Fox icon RC Spy Log Setup LonNetwork Lon1 Trace X = will invoke trace Then GoTo Application Director to view results Lon Tuning - LonNetwork Poll Service page 9 of 9