30 UDC3300 Limit Controller Product Manual 1/01
3.10 Alarms Set Up Group
Introduction
This data deals with the Alarms function that is available with your
controller.
There are two alarms available. Each alarm has two setpoints. You can
configure each of these two setpoints to alarm on one of nine events and
you can configure each setpoint to alarm High or Low.
You can also configure the two setpoints to alarm on the same event and
to alarm both high and low, if desired.
Function prompts
Table 3-7 lists all the function prompts in the “ALARMS” Set Up group.
Table 3-7 Alarms Group Function Prompts
Function Prompt
Lower Display
Function
Name
Selections or
Range of Setting
Upper Display
Factory Setting
A1S1 VAL
Alarm 1, Setpoint 1
Value
Value in Engineering Units 90
A1S2 VAL
Alarm 1, Setpoint 2
Value
Value in Engineering Units 10
A2S1 VAL
Alarm 2, Setpoint 1
Value
Value in Engineering Units 95
A2S2 VAL
Alarm 2, Setpoint 2
Value
Value in Engineering Units 5
A1S1TYPE
Alarm 1, Setpoint 1 Type NONE
PV (Input 1)
DEV (Deviation)
SHED (Communications)
NONE
A1S2TYPE
Alarm 1, Setpoint 2 Type Same as A1S1TYPE NONE
A2S1TYPE
Alarm 2, Setpoint 1 Type Same as A1S1TYPE NONE
A2S2TYPE
Alarm 2, Setpoint 2 Type Same as A1S1TYPE NONE
A1S1 H L
Alarm 1, Setpoint 1
State
LO
H I
HI
A1S2 H L
Alarm 1, Setpoint 2
State
LO
H I
LO
A2S1 H L
Alarm 2, Setpoint 1
State
LO
H I
HI
A2S2 H L
Alarm 2, Setpoint 2
State
LO
H I
LO
AL HYST
Alarm Hysteresis 0.0 to 5.0% of Span or 100% Output,
as appropriate
0.1