Tyco MX4428 - Manual (Page 38)

MX4428 MXP Engineering / Technical Manual Document: LT0273
Device Information and Programming
Page 3-22 24 March 2006 Issue 1.5
The following global parameters which may be set at the MX4428 affect all applicable points
on all MXPs.
MX4428 Reference Description Default
8XXPH UPPER
TRACKING LIMIT Photo Upper Tracking Limit (i.e. the
maximum assumed value for clean
air) 56 (MXP Default)
8XXPH DIRTY
ALERT LIMIT Photo Dirty Alert Limit (i.e. a “dirty
alert” will be raised if the tracked
“clean air” value reaches this limit) 56
8XXPH TRACK
INTERVAL Photo Tracking Interval
i.e. the interval at which the tracked
“clean air” value is adjusted. 30 (minutes)
8XXPH FUZZY
ALGORITHM Fuzzy Sensitivity if Device Parameter
1 is not 0, 1, or 2
0 = low
1 = medium
2 = high 1 (medium)
(MXP also chooses
Medium if this
parameter is not 0,
1, or 2)