Configuration
12/00 UDC2300 Controller Product Manual 41
4.14 Alarms Set Up Group
Introduction
An alarm is an indication that an event that you have configured (for example—Process
Variable) has exceeded one or more alarm limits. There are two alarms available. Each
alarm has two setpoints. You can configure each of these two setpoints to alarm on
various controller parameters.
There are two alarm output selections, High and Low. You can configure each setpoint to
alarm either High or Low. These are called single alarms.
You can also configure the two setpoints to alarm on the same event and to alarm both
high and low. A single adjustable Hysteresis of 0 % to 100 % is configurable for the
alarm setpoint.
See Table 2-4 in the Installation section for Alarm relay contact information.
The prompts for the Alarm Outputs appear whether or not the alarm relays are physically
present. This allows the Alarm status to be shown on the display and/or sent via
communications to a host computer.
Function Prompts
Table 4-13 ALARMS Group (Numeric Code 1100) Function Prompts
Prompt Selection or Range of Setting
English Numeric
Code
Description
Numeric
Code
English
Factory
Setting
Reference
Guide
Page
AxSxVA
A1S1
A1S2
A2S1
A2S2
1101
1102
1103
1104
Alarm Setpointx
Value
X = 1 or 2
within the range of the
selected parameter or of
the PV Span for Deviation
configurations
90 125
AxSxTY
A1S1
A1S2
A2S1
A2S2
1105
1106
1107
1108
Alarmx Setpointx
Type
X = 1 or 2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NONE No Alarm
IN 1 Input 1
IN 2 Input 2
PROC Process Variable
DE Deviation
OUT Output
SHED ShedCommunications
E-ON Event ON(SP Prog)
E-OF Event OFF(SP Prog)
MAN Alarm on Manual
RSP Remote Setpoint
FSAF Failsafe
PrRT PV Rate of Change
DI Alarm on Digital Input
DE 11 DEV Alarm based on
SP2
BRAK Loop break alarm
NONE 124
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