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5.4 Configure Alarms
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CONFIG. ALARMS
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Config. Alarm 1
Off
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Off
Alarm
Status
A1: Type
%Pass
Temp.B
Sen.B
Temp.A
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Sen.A
A1: Assign
Configure Alarm 1
Alarm 2 (and Alarms 3 and 4 if optional analog output board is fitted)
Config. Alarm 2
configuration is identical to Alarm 1.
Alarm 1 Type
Select the type of alarm required:
Off
– The alarm is disabled, the alarm LED is off and the relay is de-energized at all
times.
Alarm
– The analyzer is configured using the
generate an alarm in response to a specified sensor reading.
– The analyzer alerts the operator to either a power failure or a condition that
Status
2
causes an error message to be displayed – see Table 8.1.
Alarm 1 Assign
When Alarm 1 Type is set to
alarm conditions for a specified sensor:
Temp.A
– The analyzer alerts the operator if the temperature of the process fluid
measured by the selected sensor exceeds or drops below the value set in
the
Alarm 1 Action
Sen.A
– The analyzer alerts the operator if the conductivity of the process fluid
measured by the selected sensor exceeds or drops below the value set in
the
Alarm 1 Action
Notes.
1) Sensor B alarms and signal calculation are applicable only to dual input conductivity.
2) If
Signal Calc.
display shows the selected parameter:
% Pass
– If
% Rej
– If
– If
A – B
A/B
– If
pH
– If
The analyzer alerts the operator if the value of the calculation exceeds or drops below the
value set in the
selected – see next page.
Alarm 1 Action
Continued on next page...
A1: Failsafe
, this enables the alarm to alert the operator to one of two
Alarm
parameter (see next page), depending on the type of
Alarm 1 Set Point
selected – see next page.
parameter (see next page), depending on the type of
Alarm 1 Set Point
selected opposite – see next page.
is set to any parameter other than
is set to
Signal Calc.
% Passage
is set to
Signal Calc.
% Rejection
is set to
Signal Calc.
Difference A – B
is set to
Signal Calc.
Ratio A/B
is set to
Signal Calc.
information on inferred pH)
parameter (see next page), depending on the type of
Alarm 1 Set Point
5 PROGRAMMING...
parameter (following) to
Assign
(see opposite), the
No Calculation
(see Appendix A3 for further
Inferred pH
19
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