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...5.4 Configure Alarms
set to
A1: Type
or
Alarm
USB
% Pass
Temp.B
Sen.B
Temp.A
-----
Sen.A
A1: Assign
No
-----
Yes
A1: Failsafe
Low
-----
High
A1: Action
Alarm 1 Assign
Select the alarm assignment required:
Sen.A
– The analyzer activates an alarm if the conductivity of the process fluid
Sen.B
measured by the selected sensor exceeds or drops below the value set in
the
Alarm 1 Set Point
Alarm 1 Action
Temp.A
– The analyzer activates an alarm if the temperature of the process fluid
Temp.B
measured by the selected sensor exceeds or drops below the value set in
the
Alarm 1 Set Point
Alarm 1 Action
Notes.
• If
is set to
A1: Type
USP645
if dual input analyzer).
• The
and
Sen.B
Temp.B
analyzers.
• If
(dual input analyzers only) is set to any parameter other than
Signal Calc.
(page 28), the selected parameter is displayed:
Calculation
% Pass
–
Signal Calc.
% Rej
–
Signal Calc.
–
A – B
Signal Calc.
A/B
–
Signal Calc.
pH
–
Signal Calc.
(see Appendix A3 for further information on inferred pH)
The analyzer activates an alarm if the value of the calculation exceeds or drops below the
value set in
Alarm 1 Set Point
selected – see below.
Alarm 1 Failsafe
If failsafe action is required select
See also Figs. 5.1 to 5.5 (page 33).
Alarm 1 Action
Select the alarm action required,
See also Figs. 5.1 to 5.5 (page 33).
set to
A1: USP Offset
A1: Type
next page.
AX410 and AX411 analyzers or
A1: Setpoint
AX455 analyzers only) – continued on next page.
parameter (see next page), depending on the type of
selected – see below.
parameter (see next page), depending on the type of
selected – see below.
, the alarm is assignable only to
alarm assignment types are applicable only to dual input
set to
% Passage
set to
% Rejection
set to
Difference A – B
set to
Ratio A/B
set to
,
Inf.pH(NH3)
Inf.pH(NH3+NaCl)
(see next page), depending on the type of
, otherwise select
Yes
No
or
.
High
Low
(AX450 and AX455 analyzers only) – continued on
USP645
A1: Type
5 PROGRAMMING...
(and
/
Sen.A
B1: Type
Sen.B
or
Inf.pH(NaOH)
Alarm 1 Action
.
not set to
(AX450 and
USP645
.
No
31
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