Cryo-con 24C - Page 11

193 pages

Save Page as PDF

To Next Page

To Next Page

To Previous Page

To Previous Page

Loading...

Cryo-con Model 24C Introduction

5

Table of Contents

Table of Contents3
Introduction7
- Sensor Inputs7
- Control Loops8
- User Interface8
- Remote Control10
Preparing the Controller for Use13
- Supplied Items13
- Verify the AC Power Line Voltage Selection13
- Apply Power to the Controller14
- Installation15
- Figure 1: 4122-030 Rack Mount Kit15
- Figure 2: 4034-032 Rack Mount Kit16
- Initial Setup and Configuration17
- Table 1: Model 24C Instrument Accessories20
- Table 2: Cryogenic Accessories21
A Quick Start Guide to the User Interface23
Table 3: Loop #1 Output Summary24
Table 4: Control Type Summary25
Specifications, Features and Functions27
- Specification Summary27
- Table 5: Supported Sensor Types27
- Table 6: Accuracy and Resolution for PTC Resistors28
- Table 7: Minimum and Maximum Resistance Vs. Bias Voltage29
- Table 8: Resolution for NTC Resistors30
- Table 9: 10Mv Constant-Voltage Accuracy Specifications30
- Performance Summary33
- Input Channel Characteristics36
- Table 10: Supported Sensor Configurations36
- Table 11: PTC Resistor Sensor Configuration37
- Control Loop Outputs40
- Table 12: Loop 1 Heater Output Ranges40
- Table 13: Loop 2 Heater Output Ranges41
- Remote Interfaces42
- Rear Panel43
- Figure 3: Model 24C Rear Panel Layout43
- Mechanical, Form Factors and Environmental44
- Table 14. AC Power Line Fuses44
Front Panel Operation47
- The Keypad47
- Figure 4: Model 24C Front Panel Layout47
- Table 15: Keypad Key Functions51
- The Front Panel Display52
- Table 16: Temperature Units53
Front Panel Menu Operation57
- Instrument Setup Menus57
- Table 17: Input Channel Configuration Menu58
- Table 18: Control Loop Setup Menus61
- Table 19: User Configurations Menu65
- Table 20: System Configuration Menu66
- Table 21: over Temperature Disconnect Configuration68
- Table 22: Network Configuration Menu70
- Table 23: PID Table Edit Menu72
- Table 24: Sensor Setup Menu73
- Table 25: Calibration Curve Menu74
- Table 26: Auto Tune Menu75
- Table 27: Digital Output Status Indicators77
- Table 28: Digital Output Modes77
Basic Setup and Operation79
- Configuring a Sensor79
- Using NTC Sensors80
- Using PTC Resistor Sensors82
- Downloading a Sensor Calibration Curve83
- Table 29: Recommended Sensor Configuration Data84
- Autotuning86
- Table 30: Autotune Menu89
- Table 31: Autotune States90
- Temperature Ramping91
- Cryocooler Signature Subtraction94
- Using an External Power Booster97
- Using Calgen97
- Table 32: First Calgen Menu, Diode Sensor98
- Table 33: Calgen Menu, 2-Point Diode Sensor99
- Table 34: Calgen New Curve Menu100
- Using Thermocouple Sensors101
- Figure 5: Thermocouple Module101
- Figure 6: Thermocouple Switches101
- Table 35: Thermocouple Polarities103
System Shielding and Grounding Issues105
Instrument Calibration107
- Cryo-Con Calibration Services107
- Calibration Interval107
Remote Operation108
- Remote Interface Configuration108
- Table 36: GPIB Host Setup Parameters109
Remote Programming Guide111
- General Overview111
- An Introduction to the SCPI Language112
- Remote Command Tree121
- Remote Command Descriptions125
- Code Snippet in C144
EU Declaration of Conformity145
Appendix A: Installed Sensor Curves147
- Factory Installed Curves147
- User Installed Sensor Curves148
- Sensor Curves on CD149
- User Calibration Curve File Format149
Appendix B: Updating Instrument Firmware153
- Discussion153
- Updating Unit Firmware154
Appendix C: Troubleshooting Guide157
- Error Displays157
- Control Loop and Heater Problems158
- Temperature Measurement Errors159
- Remote I/O Problems160
- General Problems162
Appendix D: Tuning Control Loops163
- Introduction163
- Various Methods for Obtaining PID Coefficients163
- Manual Tuning Procedures164
Appendix E: Sensor Data165
- Cryo-Con S700 Silicon Diode165
- Cryo-Con S900 Silicon Diode166
- Cryo-Con R500 Ruthenium-Oxide Sensor167
- Cryo-Con R400 Ruthenium-Oxide Sensor168
- Sensor Packages169
- Table 37: BB Package Specifications170
Appendix F: Configuration Scripts173
- Script File Structure173
- Script File Example176
Appendix G: Sensor Data Tables179
- Silicon Diode179
- Platinum RTD181
- Rhodium-Iron181
- Cryogenic Linear Temperature Sensor (CLTS)181
- Cernox182
- Ruthenium-Oxide184
Appendix H: Rear Panel Connections187
- Sensor Connections187
- Figure 7: Proper Assembly of the Input Connector187
- Table 38: Input Connector Pin-Out187
- Figure 8: Diode and Resistor Sensor Connections188
- Table 39: Sensor Cable Color Codes188
- Control Loop #1 Connections189
- Control Loop #2 and Relay Connections189
- Table 40: Loop 1 Connections189
- Table 41: Loop #2 and Digital Output Connections189
- Ethernet (LAN) Connection190
- IEEE-488.2 Connections190
- RS-232 Connections190
- Figure 9: RS-232 Null Modem Cable190
- Table 42: RS-232 DB-9 Connector Pinout190
Index191