Honeywell DC1010 - Deviation Alarm Overview; Figure 4-1 Deviation Alarms; Figure 4-2 Upper Limit Deviation Alarm

Configuration
30 DC1010/1020/1030/1040 Product Manual 8/05
4.3.2 Deviation Alarm Overview
The Alarm SP (Set Point) is to be changed as the SP moves. In this case, the Alarm SP
preserves a certain deviation value with the SP. When an alarm is set, a certain deviation
value with the preset SP should be defined.
SP1
Deviation
(Lower limit)
A
larm SP
SP1 SP2
A
larm SP moves along SP change
SP Change
SP1
Deviation
(
U
pp
er Limit
)
A
larm SP
SP1 SP2
A
larm SP moves along SP change
SP Change
Figure 4-1 Deviation Alarms
4.3.2.1 Types of Deviation Alarms
: Set Point
: Alarm Set Point
: Set Point
: Alarm Set Point
Figure 4-2 Upper Limit Deviation Alarm [Hold On = Yes]
(Alarm Code 01, Alarm release in the first alarming situation)
Figure 4-3 Upper Limit Deviation Alarm
(Alarm Code 11, No alarm release in the first alarming situation)