Lakeshore 330 - Chapter 1 Introduction; 1.1 Model 330 Temperature Controller Description; 1.2 Control Fundamentals and Autotune; 1.6 Safety Summary

Lake Shore Model 330 Autotuning Temperature Controller User’s Manual
Table of Contents i
TABLE OF CONTENTS
Chapter/Paragraph Title Page
1 INTRODUCTION ....................................................................................................................................1-1
1.0 General................................................................................................................................1-1
1.1 Model 330 Temperature Controller Description ..................................................................1-2
1.2 Control Fundamentals and Autotune...................................................................................1-5
1.3 Precision Calibration Options ..............................................................................................1-6
1.4 Electrostatic Discharge........................................................................................................1-6
1.4.1 Identification of Electrostatic Discharge Sensitive Components ......................................1-6
1.4.2 Handling Electrostatic Discharge Sensitive Components ................................................1-6
1.5 Handling Liquid Helium and Liquid Nitrogen........................................................................1-7
1.5.1 Handling Cryogenic Storage Dewars ...............................................................................1-7
1.5.2 Liquid Helium and Nitrogen Safety Precautions...............................................................1-7
1.5.3 Recommended First Aid...................................................................................................1-7
1.6 Safety Summary ..................................................................................................................1-8
1.7 Safety Symbols....................................................................................................................1-8
2 INSTALLATION ......................................................................................................................................2-1
2.0 General................................................................................................................................2-1
2.1 Inspection and Unpacking ...................................................................................................2-1
2.2 Repackaging For Shipment.................................................................................................2-1
2.3 Definition of Rear Panel Connections..................................................................................2-2
2.4 Sensor Input Settings ..........................................................................................................2-3
2.5 Grounding and Shielding .....................................................................................................2-3
2.6 Sensor Installation ...............................................................................................................2-4
2.6.1 Diode (Model 330-1X) and Platinum (Model 330-2X) Connections .................................2-4
2.6.1.1 Two-Lead Versus Four-Lead Measurements ...............................................................2-4
2.6.1.2 Heat Sinking Sensor Leads ..........................................................................................2-5
2.6.1.3 Sensor Mounting ...........................................................................................................2-5
2.6.1.4 Measurement Errors Due to AC Noise .........................................................................2-6
2.6.2 Thermocouple (Model 330-4X) Connections ...................................................................2-6
2.6.2.1 Thermocouple Compensation.......................................................................................2-6
2.6.2.2 Thermocouple Wire Types at Cryogenic Temperatures ............................................... 2-6
2.6.3 Sensor Input Error Messages ..........................................................................................2-7
2.7 Sensor Curve Selection.......................................................................................................2-7
2.8 Precision Calibration Option ................................................................................................2-8
2.9 Heater Setup .......................................................................................................................2-9
2.10 Rack Mounting.....................................................................................................................2-9
2.11 Power Up.............................................................................................................................2-9
2.11.1 Power Up Sequence ........................................................................................................2-9
2.11.2 Power Up (PUP) Configuration ......................................................................................2-10
2.11.3 Power Up Errors.............................................................................................................2-10
3 OPERATION ...........................................................................................................................................3-1
3.0 General................................................................................................................................3-1
3.1 Definition of Front Panel Controls........................................................................................3-1
3.1.1 Front Panel Keypad Definitions........................................................................................3-1
3.1.2 Front Panel LED Display ..................................................................................................3-2
3.2 Thermometry Functions ......................................................................................................3-2
3.2.1 Input Type ........................................................................................................................3-3
3.2.2 Channel ............................................................................................................................3-3
3.2.3 Units .................................................................................................................................3-3
3.2.4 Thermocouple Temperature Compensation (Model 330-4X Only) .................................. 3-3
3.2.5 Display Filter.....................................................................................................................3-4
3.2.6 Curve................................................................................................................................3-4