Set Up Alarms Page - ABB 8232 Instruction Manual

6.2.6 Set Up Alarms Page

Alarm l.e.d. indication and relay output can be assigned either to the ammonia concentration or switched off.
SET UP ALARMS
A1 Enabled
Enter
No
Yes
A1 Action High
Enter
A1 Failsafe
Enter
A1 Hysteresis
or
Enter
A1 Delay
or
Enter
Page header.
Advance to next parameter.
Alarm A1 Enable
Yes
Select 'YES' to enable or 'NO' to disable.
No
or
Store.
Advance to next parameter.
Alarm A1 Action
Select the alarm action required, 'High' or 'Low' – see Table 6.1.
Low or
Store.
Advance to next parameter.
Alarm A1 Failsafe
Yes
If failsafe action is required select 'Yes', otherwise select 'No' – see Table 6.1.
No or
Store.
Advance to next parameter.
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.
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.
Advance to next parameter.
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.
Set the required delay time between 0 and 60 minutes in 1 minute increments.
Store.
Advance to next parameter.
(a)
Continued on next page.
(b)
6 PROGRAMMING...
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