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Pb=0.101C
S
CO= 210C
To change the cutout set-point press "UP" or "DOWN".
D
CO= 95C
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
"SET." There are 5 sets of configuration parameters — probe parameters, oper-
ating parameters, serial interface parameters, IEEE-488 interface parameters,
and controller calibration parameters. The menus are selected using the "UP"
and "DOWN" keys and then pressing "SET".
9.10
Probe Parameters
The probe parameter menu is indicated by,
PrObE
Press "SET" to enter the menu. The probe parameters menu contains the pa-
rameters, R0 and ALPHA, which characterize the resistance-temperature rela-
tionship of the platinum control probe. These parameters may be adjusted to
improve the accuracy of the bath. This procedure is explained in detail in
Section11.
The probe parameters are accessed by pressing "SET" after the name of the pa-
rameter is displayed. The value of the parameter may be changed using the
"UP" and "DOWN" buttons. After the desired value is reached press "SET" to
set the parameter to the new value. Pressing "EXIT" causes the parameter to be
skipped ignoring any changes that may have been made.
Proportional band setting
Access cutout set-point
Cutout set-point
Decrement display
New cutout set-point
Accept cutout set-point
Probe parameters menu
9 Controller Operation
Controller Configuration
39
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