ABB AX416 User Manual page 36

...5 PROGRAMMING
5.5 Configure Alarms
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CONFIG. ALARMS
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Config. Alarm 1
Wash
Status
Alarm
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Off
A1: Type
A-B
Temp.B
Sen.B
Temp.A
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Sen.A
A1: Assign
34
Configure Alarm 1
Alarms 2 and 3 configuration (and Alarms 4 and 5 if option board fitted and
Config. Alarm 2
analog features enabled – see Section 7.3) is identical to Alarm 1
configuration.
Alarm 3 can also be configured as a Wash alarm if
see following frame.
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.
– The analyzer is configured using the
Alarm
generate an alarm in response to a specified high or low pH,
Redox (ORP) or process temperature sensor reading.
Status – An alarm is generated if either a power failure or a condition that causes
any of the error messages in Table 8.1 (page 62) to be displayed
occurs.
Wash – Alarm 3 is configured to control the wash sequence.
Note. The alarm type can be assigned only to Alarm 3 and is displayed only when
Wash
the lower display line shows
set to
A1: Type
Config. Alarm 1
set to
A1: Type
A1: Assign
set to
A3: Type
Wash Mode
Alarm 1 Assign
Select the alarm assignment required:
Sen.A – The analyzer activates an alarm if the pH or Redox (ORP) value of the process
Sen.B fluid measured by the selected sensor exceeds or drops below the value set
in the
Alarm 1 Set Point
selected – see next page.
Temp.A – The analyzer activates an alarm if the temperature of the process fluid
measured by the selected sensor exceeds or drops below the value set in
Temp.B
the
Alarm 1 Set Point
selected – see next page.
– The analyzer activates an alarm if the difference between the Sensor A and
A–B
Sensor B readings exceeds or drops below the value set in the
parameter, depending on the type of
Point
next page.
Note. The , and
Sen.B Temp.B
input analyzers and is displayed only when
A–B
see Section 5.3.
Continued on next page.
A1: Failsafe
A3: Type .
or .
Off Status
– continued below.
Alarm
– see Section 5.5.1.
Wash
parameter, depending on the type of
parameter, depending on the type of
alarm assignment types are applicable only to dual
A–B
Probe Type
is set to
A3: Type Wash
frame (following) to
Assign
Alarm 1 Action
Alarm 1 Action
Alarm 1 Set
selected – see
Alarm 1 Action
for each sensor is set to
pH
–
–