Controller Operation
Calibration Parameters 9
9-17
Transmission Termination
The transmission termination character can be set to carriage return only, linefeed only,
or carriage return and linefeed. Regardless of the option selected, the instrument will
interpret either a carriage return or a linefeed as a command termination during reception.
The termination parameter is indicated with,
eOS
IEEE-488 termination
Press “SET” to access the termination setting.
e=Cr
Present IEEE-488 termination
Use “UP” or “DOWN” to change the selection.
e=LF
New termination selection
Use “SET” to save the new selection.
Calibration Parameters
The operator of the bath controller has access to a number of the instrument calibration
constants namely CTO, C0, CG, H, L, and HGbt. These values are set at the factory and
must not be altered. The correct values are important to the accuracy and proper and safe
operation of the bath. These parameters should not be adjusted. In the event the
controller’s memory fails, the user may restore these values to the factory settings. A list
of these constants and their settings are supplied to the user on the Report of Test with the
manual.
CAUTION
DO NOT change the values of the instrument calibration
constants from the factory set values. The correct setting of
these parameters is important to the safety and proper
operation of the instrument.
The calibration parameters menu is indicated by,
CAL
Calibration parameters menu
Press “SET” five times to enter the menu.
CTO
Parameter CTO sets the calibration of the over-temperature cutout. This is not adjustable
by software but is adjusted with an internal potentiometer. This parameter is set at the
factory.
CO and CG
These parameters calibrate the accuracy of the instrument set-point. These are
programmed at the factory. Do not alter the value of these parameters. If the user desires
to calibrate the bath for improved accuracy, adjust R0 and ALPHA according to the
procedure given in Chapter 11, Calibration Procedure.
H and L
These parameters set the upper and lower set-point limits of the bath.
Note
A high limit (H) setting below the flash point of the fluid in the bath is
highly recommended.
HGbt
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