Tyco MX4428 - Page 115

Document: LT0273 MX4428 MXP Engineering / Technical Manual
Device Processing
Issue 1.5 24 March 2006 Page 9-5
Table
Lookup
Exponential
Filter
Slower
Exponential
Filter
Subtractor
Raw
Reading
Raw
° C
Slope
Limiter
Slope
Limiter
Alarm
Threshold
ROR
PreAlarm
Threshold
ROR
Alarm
Threshold
PreAlar
m
Threshold
+
+
+
+
-
-
-
-
Fixed Temp Alarm
Fixed Temp PreAlarm
Comparator
Comparator
Comparator
Comparator
Multiplier
+
-
ROR PreAlarm
ROR
Alarm
CV
SLV
RORCV
RORSLV
FD1
FD2
PollsPerMinute
FD2-FD1
(° C/min)
SL1
SL2
Figure 9.1 Heat Processing Diagram