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of the fluid and no more than 10 degrees above the upper temperature limit of
the bath.
If the cutout is activated because of excessive bath temperature, power to the
heater shuts off and the bath cools. The bath cools until it reaches a few degrees
below the cutout set-point temperature. At this point the action of the cutout is
determined by the setting of the cutout mode parameter. The cutout has two
selectable modes — automatic reset or manual reset. If the mode is set to auto-
matic, the cutout automatically resets itself when the bath temperature falls be-
low the reset temperature allowing the bath to heat up again. If the mode is set
to manual, the heater remains disabled until the user manually resets the cutout.
The cutout set-point may be accessed within the secondary menu. Press "SET"
and "EXIT" to enter the secondary menu and show the heater power. Then
press "SET" twice to access the cutout set-point.
S+E
12 Pct
S
Pb=0.101C
S
CO= 110C
To change the cutout set-point press "UP" or "DOWN".
CO= 75C
To accept the new cutout set-point press "SET".
S
The next function is the configuration menu. Press "EXIT" to resume display-
ing the bath temperature.
9.9
Controller Configuration
The controller has a number of configuration and operating options and calibra-
tion parameters which are programmable via the front panel. These are ac-
cessed from the secondary menu after the cutout set-point function by pressing
Access heater power in secondary menu
Heater power in percent
Access proportional band
Proportional band setting
Access cutout set-point
cutout set-point
New cutout set-point
Accept cutout set-point
9 Controller Operation
Controller Configuration
45
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