5400 Series TECSource User’s Manual · Page 13
The Display button is used to cycle through the display modes of the controller.
Because the controller monitors more information than can be displayed at
once, the Display button allows you to cycle between the TEC information,
auxiliary temperature measurements, and digital I/O status.
The Func A and Func B buttons are used to execute user-defined macros,
recall saved settings, or other actions as defined in the Function Keys Menu.
The large adjustment knob located on the right hand side of the unit is used to
change the set point or parameters in the menu. It also acts as a push button,
primarily as an enter button, when making changes in the menu.
There are ten LEDs:
Color Function When lit, indicates:
Blue Output On TECSource is actively controlling the temperature
Red Error Error has occurred
Yellow Remote Unit is being controlled via a computer
Green Cool Instrument is cooling
Green Heat Instrument is heating
Green Stable Temperature is stable
Green ITE Limit Controller is in current limit
Green VTE Limit Controller is in voltage limit
Yellow T Limit Controller is in temperature limit
Green Link Controller is linked to another instrument
Whenever an error is generated, the red Error LED will light, and the error will be
displayed on the VFD display. There may be one or more errors, but only the
first error will be displayed. To display the next error, press Menu button. To
clear all errors, press the knob. A list of error codes can be found in the Error
Messages section below.
When the unit is in remote mode, the yellow Remote LED will be lit. More
information about how the instrument behaves in remote mode can be found in
the Remote Mode Operation section below.
Control Modes
The TECSource offers three control modes: constant temperature mode (T
Mode), and constant resistance mode (R Mode), and constant current mode (Ite
Mode).
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