Set Up Alarms Page - ABB AnalyzeIT 8237 Instruction Manual

6.2.6 Set Up Alarms Page

Alarm l.e.d. indication and relay output can be assigned either to the CO
SET UP ALARMS
A1 Enabled
No
A1 Action
A1 Failsafe
A1 Hysteresis
A1 Delay
Page header.
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Yes
Alarm A1 Enable
Select 'YES' to enable or 'NO' to disable.
or
No
Store.
Enter
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Yes
Alarm A1 Action
High
Select the alarm action required, 'High' or 'Low' – see Table 6.1.
or
Low
Store.
Enter
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Yes
Alarm A1 Failsafe
If failsafe action is required select 'Yes', otherwise select 'No' – see Table 6.1.
or
No
Enter Store.
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–
% Alarm A1 Hysteresis
A differential set point can be set as a percentage of the set point value. The
differential setting operates about the set point.
or
Example – A 5% differential setting operates 2.5% above and below the setpoint.
Select the differential required, between 0 and 5% in 1 % increments.
Store.
Enter
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– – Alarm A1 Delay
m
If required, relay actuation and alarm l.e.d. indication can be delayed in the event
of an alarm condition. If the alarm condition clears within the programmed delay
time, the alarm function is not activated and the delay time is reset.
or
Set the required delay time between 0 and 60 minutes in 1 minute increments.
Enter Store.
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(a)
Continued on next page.
(b)
6 PROGRAMMING...
concentration or switched off.
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