Thermo Scientific
imPULSE S.U.M. with Touchscreen Console User’s Guide
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73
Chapter 3
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Touchscreen Console setup
High High and Low Low alarms
Choose to enable or disable High High and/or Low Low alarms. These
alarms provide a visual and audible alert, and will pause or stop the
specified pumps based on the set Interlock equations.
1. If you would like to set High High/Low Low alarms for temperature,
touch the
High High and Low Low alarms
field.
2. On the screen that appears (Figure 3.46), there are separate
sections for both High High and Low Low alarms, each with
respective
Interlock
and
Hysteresis
fields. To set either alarm,
move the corresponding slider to the
On
position.
Figure 3.46. High High and Low Low Alarms screen.
3. Touch the
Interlock
field of an enabled alarm to enter the Interlock
equation screen.
4. Fill out the Interlock equation by entering the
Control setpoint
(in Hz)
and selecting the
Action taken
(either
Pause
or
Stop
).
– If
Pause
is set as the action taken, you must fill out the Hysteresis
equation by entering the
Control setpoint
(in °C) and the
Time to
hold
before operations can resume (in seconds).
– If
Stop
is set as the action taken, operations must be resumed
manually.
5. After you finish setting up the High High and Low Low alarms touch
Done
.
6. After a moment, a confirmation screen will appear. Touch
Done
to
return to the Temperature Module Configuration screen—the values
in the
High High and Low Low
field will reflect your changes.
