Operation; General; Definition Of Front Panel Controls; Front Panel Keypad Definitions - Lakeshore 330 User Manual

Lake Shore Model 330 Autotuning Temperature Controller User's Manual
3.0

GENERAL

This chapter covers Definition of Front Panel Controls (Paragraph 3.1), Thermometry Functions (Paragraph
3.2), Control Functions (Paragraph 3.3), Interface and Miscellaneous Functions (Paragraph 3.4), and
Thermocouple Controller Operation (Model 330-04 only, Paragraph 3.5).
3.1

DEFINITION OF FRONT PANEL CONTROLS

The front panel consists of two major sections: 20 front panel keys (Paragraph 3.1.1), and a 2 row by 16
character LCD (Paragraph 3.1.2).
3.1.1

Front Panel Keypad Definitions

Below are abbreviated descriptions of each front panel key. See subsequent paragraphs for more detailed
descriptions of each function.
Units: Sets the controller to display temperature units in kelvin (K) or Celsius (C), or sensor units in volts (V),
millivolts (mV), or ohms (Ω), depending on Model number. See Paragraph 3.2.3.
Baud: Selects a Baud Rate of 300 or 1200 for Serial Interface. See Paragraph 3.4.1.
Address: Selects the bus address and terminator for IEEE-488 Interface. See Paragraph 3.4.2.
Channel: Assigns channel sensor to use for Sample and Control. See Paragraph 3.2.2.
Input Type: Only displays the currently selected sensor input type (Paragraph 3.2.1). To change sensor input,
see Paragraph 5.9. This key also controls Display Filter (Paragraph 3.2.4) and Thermocouple Temperature
Compensation (Paragraph 3.2.5).
Curve: Selects the Channel A and B sensor response curve. See Paragraph 3.2.6.
P: Manually adjusts control loop gain (Proportional) term. See Paragraph 3.3.5.1.
I: Manually adjusts control loop reset (Integral) term. See Paragraph 3.3.5.2.
D: Manually adjusts control loop rate (Derivative) term. See Paragraph 3.3.5.3.
Heater: Cycles heater display between LOW, MEDIUM, HIGH, and OFF. See Paragraph 3.3.1.

Operation

CHAPTER 3
OPERATION
Figure 3-1. Model 330 Front Panel
D-330-U-1-1
3-1