EAGLEHAWK NX CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
EN1Z-1039GE51 R1218 48
CONTROLLER PERFORMANCE
The controller performance has been tested in two test scenarios.
NOTE: These are example scenarios. It is therefore, of course, possible for you to use any other mix of Panel Bus points and
BACnet MS/TP points as long as the maximum number of hardware I/O points (see section "Panel Bus
Considerations" on pg. 32) is observed.
Table 26. Performance test 1 (simple statement for the COV updates, no HVAC application)
no. of
modules
no. of
hardware
I/O points
points in
PX pages
freq. of value
changes
histories
enabled
CPU usage test result
Panel Bus (via
RS485-1)
46
(A
491 491
(B
2 sec
(poll rate)
--
30% (occasionally:
50%)
OK for non-critical
applications
(C
BACnet MS/TP (via
RS485-2)
13 559 559
(D
2 sec
(COV)
500
(A
9x CLIOP821A, 9x CLIOPR822A, 9x CLIOP823A, 9x CLIOPR824, 5x CLIOPR825, 5x CLIOP830A
(B
Four (4) PX pages: AI, AO, BI, and BO points each in a dedicated PX page per point type
(C
About 0.5% of the BACnet MS/TP point updates are occasionally delayed.
(D
One (1) PX page with all points
Table 27. Performance test 2
COV frequency
max. no. of COV updates per min. across
RS485-1 and RS485-2 together
CPU usage test result
BACnet MS/TP at
38,500 bps
4 sec 4,000
25…35%
(occasionally: 60%)
OK
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