Set Up Alarms Page - ABB 8235 Chloride Instruction Manual

6.2.6 Set Up Alarms Page

Alarm l.e.d. indication and relay output can be assigned either to the chloride concentration or switched off.
SET UP ALARMS
A1 Enabled
Enter
No
Yes
A1 Action
Enter
A1 Failsafe
Enter
A1 Hysteresis
or
Enter
A1 Delay
or
Enter
Page header.
Advance to next parameter.
Yes
Alarm A1 Enable
Select 'YES' to enable or 'NO' to disable.
No or
Store.
Advance to next parameter.
High
Alarm A1 Action
Select the alarm action required, 'High' or 'Low' – see Table 6.1.
or
Low
Store.
Advance to next parameter.
Yes
Alarm A1 Failsafe
If failsafe action is required select 'Yes', otherwise select 'No' – see Table 6.1.
or
No
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.
– –
m
Alarm A1 Delay
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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