Name: Oxford Instruments Omicron NanoScience MercuryiTC
Brand: Oxford Instruments Omicron NanoScience
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Operator's Manual

Issue 05 /

Feb 2015 / UMC0071

MercuryiTC

Page 63

• .dat files are space separated. Tabs or multiple spaces are acceptable.

• Numbers may be expressed in regular (0.0134) or scientific (1.34e-2) notation.

• Linear interpolation is used to provide calibration at intermediate values.

• There is no theoretical limit to the number of sets of data points, but a practical limit is about

1000.

The iTC calculates set point limits and sensor limits from the chosen calibration file.

Default Chapter2
- Table of Contents2
Preface10
- Use of this Manual10
- Customer Support12
- Health and Safety Information13
- Disclaimers14
- Acknowledgements14
- Acronyms15
- Certification Compliance Statements16
- About Oxford Instruments17
1 Health and Safety18
- Warnings18
- Cautions20
- Solid Waste21
2 Mercury Itc BASICS22
- Mercuryitc Front and Rear Panels23
- Display and Touch-Screen24
- Electrical Power Supply24
- Temperature Sensor Circuits24
- Heater Circuits24
- Optional Cooling Circuit Control25
- Remote Interfaces26
- Functional Description27
- Main Components28
  - Motherboard29
  - Expansion Slots and Daughter Boards29
- Alarms and Interlocks31
3 Getting Started32
- Checking the Electrical Supply32
- Mounting the Equipment32
- Connecting Electrical Power33
- Powering up the Mercuryitc for the First Time33
- The Mercuryitc Touch Screen34
- Plotting Signals on the Mercuryitc Touch Screen42
  - Plot Configuration42
  - Scaling a Plot44
4 How to Measure and Control Temperature46
- Heater and Sensor Connections47
  - Connecting Thermocouples47
- Configuring a Temperature Sensor48
  - Configuring the Sensor Details49
  - To Clear a Widget Configuration51
- Setting Heater Properties52
- Configuring a Heater53
- Configuring the Heater Control Loop55
  - Configuring Manual Heater Control55
  - Configuring Automatic Heater Control55
- Changing a Temperature Set Point in Automatic Control57
- Using the Sweep Function58
- Using the Ramp Function61
- Configuring a Gas Valve63
- Using a Generic Calibration-File67
  - Overview67
  - Adjusting a Generic Calibration File68
- Types of Temperature Sensor69
- More about Thermocouples74
5 Cryogen Level-Meter79
- Principles of Operation79
- Installing the Level-Meter Board80
- Connecting the Level Probe83
- Configuring Mercuryitc for Helium Level Meter83
- Configuring Mercuryitc for Nitrogen Level Meter85
- Setting up Liquid Nitrogen Auto-Fill87
6 Managing Your Mercury89
- General89
- Display91
- Devices93
- Clock94
- File Transfer95
- Updates96
- Access Level98
- Factory100
- Save File100
- Load File101
7 Remote Operation103
- Remote Operation Using RS232 or ISOBUS103
  - Configuring RS232 and Isobus103
  - Serial RS232 Cabling Requirements105
- Remote Operation Using GPIB106
  - Configuring GPIB106
  - GPIB Cabling Requirements107
- Remote Operation Using Ethernet107
  - Configuring Ethernet107
  - Ethernet Cabling Requirements109
- Remote Operation Using USB109
- Switching Mercuryitc Control between Local and Remote109
- Testing Remote Connections110
- Programming Examples110
8 Command Reference Guide111
- Nomenclature Used in this Section111
- SCPI and Legacy Command Sets111
- SCPI Commands111
- Legacy Commands123
9 Temperature Sensor Daughter Board128
- Overview of the Temperature Sensor Board128
- Installing a Temperature Sensor Board128
  - Fitting the Board128
  - Basic Check of Board Operation129
- Circuit Description of the Temperature Sensor Board129
10 Heater Daughter Board135
- Installing a Heater Board135
  - Fitting the Board135
  - Connecting the Heater135
- Circuit Description of the Heater Board135
  - Description of the Heater Circuit136
  - Calibrating the Heater Circuit137
11 Auxiliary I/O Daughter Board138
- Description of the Auxiliary I/O Board138
  - Auxiliary I/O Board Functions138
  - Gas-Flow Control Using a Motorised Needle-Valve139
- Installing an Auxiliary I/O Board139
12 Pressure Board143
- Description of the Pressure Board143
  - Description of the Pressure Board Circuit143
- Installing a Pressure Board146
- Using the Pressure Board to Control a Pressure150
13 Gpib Daughter Board151
- Description of the GPIB Daughter Board151
- Installing a GPIB Board151
  - Fitting the Board151
  - Basic Check of Board Operation151
- Connecting to the GPIB Board152
14 Theory of Control Loops153
- General Information on Control Loops153
- General Information on Temperature Control Loops153
- Theory of Gas-Flow Control159
15 Preventive Maintenance162
- Cleaning the Touch-Screen162
- Calibrating the Temperature Sensor Circuits162
- Lubricating the Fan162
- Lithium-Ion Coin Cell Replacement163
16 Alarms, Interlocks and Troubleshooting164
- Alarms and Interlocks164
  - Alarm Logs and Alarms History164
- Troubleshooting167
  - Internal Faults167
  - External Faults167
- Directory of Alarms168
17 Technical Specifications170
- Physical Specification170
- Electrical Power Supply170
- Sensor Inputs170
- Heater Outputs171
- PC Interfaces171
- Electrical Isolation172
- Environmental Specifications172
- Level Meter Board172
- Pressure Board173
18 Customer Support174

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Oxford Instruments Omicron NanoScience MercuryiTC Specifications

General

Brand	Oxford Instruments Omicron NanoScience
Model	MercuryiTC
Category	Controller
Language	English

Oxford Instruments Omicron NanoScience MercuryiTC User Manual

Table of Contents

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Oxford Instruments Omicron NanoScience MercuryiTC Specifications