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Lake Shore Model 330 Autotuning Temperature Controller User’s Manual

4-26 Remote Operation

This Page Intentionally Left Blank

Table of Contents

Declaration of Conformity3
Table of Contents5
Chapter/Paragraph Title Page6
Introduction9
- General9
- Model 330 Temperature Controller Description10
Model 330 Temperature Controller Front Panel10
- Model 330 Specifications12
- Control Fundamentals and Autotune13
Model 330 Block Diagram13
- Precision Calibration Options14
- Electrostatic Discharge14
- Identification of Electrostatic Discharge Sensitive Components14
- Handling Electrostatic Discharge Sensitive Components14
- Handling Liquid Helium and Liquid Nitrogen15
- Handling Cryogenic Storage Dewars15
- Liquid Helium and Nitrogen Safety Precautions15
- Recommended First Aid15
Cryogenic Storage Dewar15
- Safety Summary16
- Safety Symbols16
Installation17
- General17
- Inspection and Unpacking17
- Repackaging for Shipment17
- Definition of Rear Panel Connections18
Typical Model 330 Rear Panel18
- Sensor Input Settings19
- Grounding and Shielding19
- Sensor Installation20
- Diode (Model 330-1X) and Platinum (Model 330-2X) Connections20
- Two-Lead Versus Four-Lead Measurements20
- Heat Sinking Sensor Leads21
- Sensor Mounting21
- Measurement Errors Due to AC Noise22
- Thermocouple (Model 330-4X) Connections22
- Thermocouple Compensation22
- Thermocouple Wire Types at Cryogenic Temperatures22
- Sensor Input Error Messages23
- Sensor Curve Selection23
- Precision Calibration Option24
- Heater Setup25
- 2.10 Rack Mounting25
- 2.11 Power up25
- 2.11.1 Power up Sequence25
Heater Jumper (JMP9)25
- Power up (PUP) Configuration26
- 2.11.3 Power up Errors26
Model 330 Front Panel27
- Front Panel LED Display28
- Thermometry Functions28
Operation27
- General27
- Definition of Front Panel Controls27
- Front Panel Keypad Definitions27
Definition of Front Panel LED Display28
- Input Type29
- Channel29
- Units29
- Thermocouple Temperature Compensation (Model 330-4X Only)29
- Display Filter30
- Curve30
- Softcal31
- Softcal Errors31
- Customer-Performed Softcal32
- Entering Voltage Values from a Lake Shore Softcal Report32
Sensor Calibrations and Precision Options33
- Control Functions34
- Heater34
- Setpoint and Control34
- Voltage Resolution (Models 321-1X, -3X, & -4X Only)35
- Ramp35
- Resistance Resolution (Model 330-2X Only)35
- Autotune35
- Initial Values of PID Parameters in Autotuning Mode36
- Minimum Overshoot36
- Minimum Time to Setpoint36
- Gain Only36
- Manual Control Settings (PID)36
- Setting Gain (Proportional)36
- Setting Reset (Integral)36
- Setting Rate (Derivative)37
- Effect of Temperature on Tuning Parameters37
- Zone Setting37
Record of Zone Settings38
- Interface and Miscellaneous Functions39
- Baud39
- Address39
- Local39
- Instrument Reset and Factory Default Settings39
- Power up (PUP) Configuration40
- Thermocouple Controller Operation (Model 330-4X Only)41
- Sensor Attachment41
- Thermocouple Curve Selection41
- Thermocouple Compensation from Front Panel41
- Thermocouple Compensation from Remote Interface41
- Internal Offset Adjustment41
- Curve Format41
Remote Operation43
- General43
- IEEE-488 Interface43
- IEEE-488 Interface Settings43
- IEEE-488 Command Structure43
- Bus Control Commands44
- Common Commands44
- Interface and Device Specific Commands44
- Status Registers44
- Status Byte Register and Service Request Enable Register44
- Example IEEE Setup and Program46
- GPIB Board Installation46
- Notes on Using the IEEE Interface46
- Sample BASIC IEEE-488 Interface Program47
Typical National Instruments GPIB Configuration from IBCONF.EXE48
- Serial I/O Interface49
Optional Serial Interface Connections49
- Serial Interface Hardware Configuration50
- Sample BASIC Serial Interface Program50
- Notes on Using the Serial Interface50
- IEEE-488/Serial Interface Command Summary52
- Command List Structure52
- Common Commands53
- Interface Commands55
- Display Commands56
- Control Process Commands58
- Curve Commands61
- User Curve Loading Program65
Service and Calibration69
- General69
- General Maintenance Precautions69
- Changing Power Setting and Fuse Rating69
Power Fuse Access69
- Rear Panel Connector Definitions70
SERIAL I/O RJ-11 Rear Panel Connector Details70
SENSOR CHANNEL a and B Rear Panel Connector Details70
HEATER OUTPUT Rear Panel Connector Details70
- IEEE-488 Interface Connector71
IEEE-488 Rear Panel Connector Details71
- Optional Serial Interface Cable and Adapters72
Model 2001 RJ-11 Cable Assembly Wiring Details72
Model 2003 RJ-11 to DE-9 Adapter Wiring Details72
Model 2002 RJ-11 to DB-25 Adapter Wiring Details72
- Top of Enclosure Remove and Replace Procedure73
- Operating Software EPROM and Precision Option NOVRAM Replacement73
- Error Messages74
- Changing Sensor Input Type75
- Calibration (Diode/Platinum Input)75
Typical Model 330 PCB Layout76
- 5.11 Model 330-4X (Thermocouple) Calibration77
- 5.12 Model 330-4X (Thermocouple) Internal Offset Adjustment77
Options and Accessories79
- General79
- Models79
- Options79
- Accessories81
Model 2001 RJ-11 Cable Assembly82
Model 2002 RJ-11 to DB-25 Adapter82
Model 2003 RJ-11 to DE-9 Adapter82
Model RM-3H1(-H) Rack-Mount Kit83
Model RM-3H2(-H) Dual Rack-Mount Kit84
Appendix Acurve Tables85
Appendix Bapplication Notes87
- B1.0 General87

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