Lakeshore 331S Manuals

Lakeshore 331S Manuals

Manuals and User Guides for Lakeshore 331S. We have 1 Lakeshore 331S manual available for free PDF download: User Manual

Lakeshore 331S User Manual

Lakeshore 331S User Manual (182 pages)

Brand: Lakeshore | Category: Temperature Controller | Size: 2.2 MB

Table of Contents

Declaration of Conformity
3
Table of Contents
5
Chapter/Paragraph

11
Introduction

11
- Product Description
  11
Table No.

14
- Sensor Selection
  14
- Sensor Temperature Range
  14
- Typical Sensor Performance
  15
- Specifications
  16
- Sensor Input Configuration
  16
- Heater Output
  17
- Loop 1 Full Scale Heater Power at Typical Resistance
  17
  - Safety Summary
    19
  - Safety Symbols
    20
Cooling System Design

21
- General
  21
- Temperature Sensor Selection
  21
- Temperature Range
  21
- Sensor Sensitivity
  21
- Environmental Conditions
  22
- Measurement Accuracy
  22
- Sensor Package
  22
- Calibrated Sensors
  22
- Traditional Calibration
  22
- Softcal
  23
- Standard Curves
  23
- Calcurve
  23
Appendix C - Handling of Liquid Helium and Nitrogen

24
Appendix D - Curve Tables

24
- Silicon Diode Sensor Calibrations and Calcurve
  24
  - Sensor Installation
    25
  - Mounting Materials
    25
  - Sensor Location
    25
  - Thermal Conductivity
    25
  - Contact Area
    25
  - Contact Pressure
    26
  - Lead Wire
    26
- Typical Sensor Installation in a Mechanical Refrigerator
  26
  - Lead Soldering
    27
  - Heat Sinking Leads
    27
  - Thermal Radiation
    27
  - Heater Selection and Installation
    27
  - Heater Resistance and Power
    27
  - Heater Location
    28
  - Heater Types
    28
  - Heater Wiring
    28
  - Considerations for Good Control
    28
  - Thermal Conductivity
    28
  - Thermal Lag
    28
  - Two-Sensor Approach
    29
  - Thermal Mass
    29
  - System Nonlinearity
    29
  - Pid Control
    29
  - Proportional (P)
    30
  - Integral (I)
    30
  - Derivative (D)
    30
  - Manual Heater Power (MHP) Output
    30
  - Examples of PID Control
    31
  - Manual Tuning
    32
  - Setting Heater Range
    32
  - Tuning Proportional
    32
  - Tuning Integral
    33
  - Tuning Derivative
    33
  - Autotuning
    33
  - Zone Tuning
    34
Appendix B - Temperature Scales

24
Appendix A - Glossary of Terminology

24
Figure No.

24
Chapter/Paragraph

35
Installation

35
- General
  35
- Inspection and Unpacking
  35
- Repackaging for Shipment
  35
- Rear Panel Definition
  36
- Model 331 Rear Panel
  36
  - Line Input Assembly
    37
  - Line Voltage
    37
  - Line Fuse and Fuse Holder
    37
  - Power Cord
    37
  - Power Switch
    38
  - Diode/Resistor Sensor Inputs
    38
  - Sensor Input Connector and Pinout
    38
  - Diode/Resistor Input Connector
    38
  - Sensor Lead Cable
    39
  - Grounding and Shielding Sensor Leads
    39
  - Sensor Polarity
    39
  - Four-Lead Sensor Measurement
    40
  - Two-Lead Sensor Measurement
    40
  - Lowering Measurement Noise
    40
  - Thermocouple Sensor Inputs
    41
  - Sensor Input Terminals
    41
  - Thermocouple Installation
    41
  - Grounding and Shielding
    41
- Thermocouple Input Definition and Common Connector Polarities
  41
  - Heater Output Setup
    42
  - Loop 1 Output
    42
  - Loop 1 Heater Output Connector
    42
  - Loop 1 Heater Output Wiring
    42
  - Loop 1 Heater Output Noise
    43
  - Loop 2 Output
    43
  - Loop 2 Output Resistance
    43
  - Loop 2 Output Connector
    43
  - Loop 2 Heater Protection
    43
  - Boosting the Output Power
    43
  - Analog Output
    44
  - Relays
    44
  - 3.10 Initial Setup and System Checkout Procedure
    45
Operation

47
- General
  47
- Front Panel Description
  47
- Keypad Definitions
  47
- Model 331 Front Panel
  47
  - Annunciators
    49
  - General Keypad Operation
    49
  - Display Definition
    50
  - Turning Power on
    50
  - Display Format and Source (Units) Selection
    51
  - Display Format Definition
    51
  - Input Setup
    53
  - Diode Sensor Input Setup - 10 Μa Excitation Current
    53
  - Sensor Input Types
    53
  - Diode Sensor Input Setup - 1 Ma Excitation Current
    54
  - Resistor Sensor Input Setup
    55
  - Thermal EMF Compensation
    55
  - Thermocouple Sensor Input Setup
    56
  - Room-Temperature Compensation
    56
  - Room-Temperature Calibration Procedure
    57
  - Curve Selection
    58
  - Sensor Curves
    58
  - Diode Sensor Curve Selection
    59
  - Resistor Sensor Curve Selection
    59
  - Thermocouple Sensor Curve Selection
    59
  - Temperature Control
    60
  - Control Loops
    60
  - Control Modes
    61
  - Tuning Modes
    61
  - Control Setup
    61
  - Manual Tuning
    63
  - Manually Setting Proportional (P)
    63
  - Manually Setting Integral (I)
    63
  - Manually Setting Derivative (D)
    64
  - Setting Manual Heater Power (MHP) Output
    64
  - Autotune (Closed-Loop Pid Control)
    65
  - Zone Settings (Closed-Loop Control)
    66
Chapter/Paragraph

59
- Record of Zone Settings
  68
  - Setpoint
    69
  - 4.12 Ramp
    70
  - 4.13 Heater Range and Heater off
    71
  - 4.14 Math
    72
  - 4.14.1 Max/Min
    72
  - 4.14.2 Linear
    73
  - 4.14.3 Filter
    74
  - Alarms and Relays
    75
  - 4.15.1 Alarms
    75
  - Deadband Example
    75
  - Relays
    77
  - Relay Settings
    77
  - Analog Output
    78
  - 4.16.1 Analog Output in Input Mode
    78
  - 4.16.2 Analog Output in Manual Mode
    80
  - 4.16.3 Analog Output in Loop 2 Mode
    81
  - 4.17 Locking and Unlocking the Keypad
    81
  - 4.18 Display Brightness
    82
  - 4.19 Remote/Local
    82
  - 4.20 Interface
    82
  - Default Values
    83
  - Default Values
    84
Advanced Operation

85
- General
  85
- Curve Numbers and Storage
  85
- Curve Header Parameters
  85
- Curve Breakpoints
  86
- Front Panel Curve Entry Operations
  86
- Curve Header Parameters
  87
- Recommended Curve Parameters
  87
- Edit Curve
  88
- Thermocouple Curve Considerations
  89
- Erase Curve
  90
- Copy Curve
  90
- Softcal
  91
- Softcal with Silicon Diode Sensors
  91
- Softcal Accuracy with Silicon Diode Sensors
  92
- Softcal Temperature Ranges for Silicon Diode Sensors
  92
  - Softcal with Platinum Sensors
    93
  - Softcal Accuracy with Platinum Sensors
    93
- Softcal Temperature Ranges for Platinum Sensors
  93
  - Softcal Calibration Curve Creation
    94
Computer Interface Operation

97
- General
  97
- Ieee-488 Interface
  97
Chapter/Paragraph

98
- IEEE-488 Interface Parameters
  98
- IEEE-488 Command Structure
  98
- Bus Control Commands
  98
- Common Commands
  99
- Device Specific Commands
  99
- Message Strings
  99
- Status Registers
  100
- Status Byte Register and Service Request Enable Register
  100
- Standard Event Status Register and Standard Event Status Enable Register
  100
- IEEE Interface Example Programs
  101
- IEEE-488 Interface Board Installation for Visual Basic Program
  101
- GPIB Setting Configuration
  102
- DEV 12 Device Template Configuration
  102
  - Visual Basic IEEE-488 Interface Program Setup
    103
- IEEE-488 Interface Program Control Properties
  104
- Visual Basic IEEE-488 Interface Program
  105
  - IEEE-488 Interface Board Installation for Quick Basic Program
    106
  - Quick Basic Program
    106
- Typical National Instruments GPIB Configuration from IBCONF.EXE
  107
- Quick Basic IEEE-488 Interface Program
  108
  - Program Operation
    109
  - Troubleshooting
    109
  - Serial Interface Overview
    110
  - Physical Connection
    110
  - Hardware Support
    110
  - Character Format
    111
  - Message Strings
    111
  - Serial Interface Specifications
    111
  - Message Flow Control
    112
  - Changing Baud Rate
    112
  - Serial Interface Example Programs
    113
  - Visual Basic Serial Interface Program Setup
    113
- Serial Interface Program Control Properties
  114
- Visual Basic Serial Interface Program
  115
  - Quick Basic Serial Interface Program Setup
    116
  - Program Operation
    117
  - Troubleshooting
    117
  - Command Summary
    118
  - Command Summary
    119
  - Interface Commands (Alphabetical Listing)
    120
Options and Accessories

137
- General
  137
- Models
  137
- Options
  137
- Accessories
  138
- Model 331 Sensor and Heater Cable Assembly
  140
  - Model 3003 Heater Output Conditioner
    140
  - Model RM-1/2 Rack-Mount Kit
    141
Service

143

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