AMI 1700 Installation, Operation And Maintenance Instructions
  1. Manuals
  2. Brands
  3. AMI Manuals
  4. Measuring Instruments
  5. 1700
  6. Installation, operation and maintenance instructions

AMI 1700 Installation, Operation And Maintenance Instructions

Liquid level instrument
Hide thumbs Also See for 1700:
Table of Contents

Advertisement

Quick Links

EXCELLENCE IN MAGNETICS AND CRYOGENICS
1 Cover Page
MODEL 1700
LIQUID LEVEL INSTRUMENT
(LIQUID HELIUM VERSION)
INSTALLATION, OPERATION, AND
MAINTENANCE INSTRUCTIONS
American Magnetics, Inc.
P.O. Box 2509, 112 Flint Road, Oak Ridge, TN 37831-2509, Tel: 865-482-1056, Fax: 865-482-5472
Revision 2; 3 August 2016

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 1700 and is the answer not in the manual?

Questions and answers

Related Manuals for AMI 1700

Summary of Contents for AMI 1700

  • Page 1 EXCELLENCE IN MAGNETICS AND CRYOGENICS 1 Cover Page MODEL 1700 LIQUID LEVEL INSTRUMENT (LIQUID HELIUM VERSION) INSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS American Magnetics, Inc. P.O. Box 2509, 112 Flint Road, Oak Ridge, TN 37831-2509, Tel: 865-482-1056, Fax: 865-482-5472 Revision 2; 3 August 2016...
  • Page 2 Revision 2; 3 August 2016...

  • Page 3: Table Of Contents

    Analog Outputs ..................2 1.1.9 Signal Relays..................2 1.1.10 Connectivity ................... 2 Model 1700 Front Panel Layout ................. 4 Model 1700 Rear Panel Layout ................4 Model 1700 Specifications @ 25°C..............5 Installation ..................... 9 Unpacking and Inspecting the Instrument ............9 Mounting the Model 1700 Instrument ..............

  • Page 4: Table Of Contents

    Table of Contents 2.4.1 Connecting a Liquid Helium Level Sensor.......... 10 Power Requirements ..................12 Operation ......................13 Energizing the Model 1700 Instrument............. 13 Screen Navigation ..................... 13 3.2.1 Home Screen Footer................13 Navigating the Instrument Menus ..............14 3.3.1 Menu Overview..................14 3.3.2...
  • Page 5 Table of Contents 4.2.1 Verify the Liquid Helium Sensor Type..........33 4.2.2 Sensor Sample Interval ................ 33 4.2.3 Sensor Active Length................34 4.2.4 Continuous Measure Time Limit ............34 4.2.5 Sensor Name ..................35 Remote Interface Reference ............... 37 SCPI Command Summary ................37 SCPI Ethernet Communication .................
  • Page 6 Table of Contents A.3 Firmware Licenses .................... 65 Glossary......................73 Abbreviations and Acronyms Used in This Manual ......... 73 Index......................75 Rev. 2...

  • Page 7: List Of Figures

    1 List of Figures Figure 1-1 Model 1700 Helium Instrument Via Web Browser ....3 Figure 1-2 Model 1700 Front View; Dual Channel Instrument Shown ... 4 Figure 3-1 LHe Home Screen..............13 Figure 3-2 Home Screen Footer ..............14 Figure 3-3 MENU button on HOME screen..........
  • Page 8 List of Figures Figure 4-6 MENU Selection Button ............33 Figure 4-7 SENSORS Selection Button ............33 Figure 4-8 Home Screen for Helium Level Display........33 Figure 4-9 MENU Selection Button ............34 Figure 4-10 SENSORS Selection Button ............34 Figure 4-11 Enter Liquid Helium Sensor Active Length ......34 Figure 4-12 Enter Liquid Helium Sensor Active Length ......34 Figure 4-13 Enter Liquid Helium Sensor Active Length ......35 Figure 4-14 Footer BACK Button Selection..........35...
  • Page 9 Minimum recommended wire gauge for copper lead wire ..11 Table 3-1 Model 1700 Instrument Home Screen Footer......14 Table 3-2 Model 1700 Helium Level Instrument Menu Structure ..15 Table 3-3 Model 1700 Instrument Footer during editing a field... 18 Table A-1 Serial (RS-232) Pin Definitions ..........
  • Page 10 List of Tables viii Rev 2...

  • Page 11: Foreword

    Contents of this Manual Introduction describes the functions, specifications, and characteristics of the Model 1700 Instrument. It provides illustrations of the front and rear panel layouts as well as documenting the performance specifications. Additional information is provided in the form of system block diagrams.

  • Page 12: General Precautions

    Foreword General Precautions General Precautions Cryogen Safety The two most common cryogenic liquids used in superconducting magnet systems are nitrogen and helium. Both of these cryogens are extremely cold at atmospheric pressure (321°F and 452°F, respectively). The following paragraphs outline safe handling precautions for these liquids. Personnel handling cryogenic liquids should be thoroughly instructed and trained as to the nature of the liquids.

  • Page 13: Cryogen Safety Summary

    Foreword Safety Summary 2. Do not apply heat. Loosen any clothing that may restrict circulation. Apply a sterile protective dressing to the affected area. 3. If the skin is blistered or there is any chance that the eyes have been affected, get the patient immediately to a physician for treatment.

  • Page 14: Safety Legend

    Foreword Safety Summary use of safety mechanisms (pressure relief valves, rupture disks, etc.) in cryogenic systems is usually necessary. Recommended Safety Equipment The use of proper safety equipment is necessary. Such equipment may include, but not limited to, the following items: First Aid kit •...

  • Page 15: Equipment Warnings

    Model 1700 Instrument may be impaired. Instrument Configuration The Model 1700 Instrument is configured at time of purchase in several ways: As a helium level instrument for level sensors with active length up •...
  • Page 16 Foreword Safety Summary Tbl = tabletop SR19L = single rack mounted, 19” wide rack standard, instrument on left side SR19R = single rack mounted, 19” wide rack standard, instrument on right side SR10L = single rack mounted, 10” wide rack standard, instrument on left side SR10R = single rack mounted, 10”...

  • Page 17: Introduction

    At time of purchase, the Model 1700 will be configured as: • A liquid helium level instrument/controller. The Model 1700 instrument will measure liquid helium level using a superconducting level sensor.

  • Page 18: Display

    Model 1700 Liquid Level Instrument 1.1.4 Display The Model 1700 Instrument has a 4.3” diagonal measure TFT (Thin Film Transistor) color liquid crystal display of 480 x 272 pixels. The display has a 4-wire resistive touch overlay for easy operator input.
  • Page 19 Introduction Model 1700 Liquid Level Instrument The Model 1700 Instrument allows for remote operation with an external browser via TCP/IP connection. All commands that are available by touching the local screen are available via the web browser Figure 1-1. Model 1700 Helium Instrument Via Web Browser...

  • Page 20: Model 1700 Front Panel Layout

    Introduction Model 1700 Front Panel 1.2 Model 1700 Front Panel Layout Figure 1-2. Model 1700 Front View; Dual Channel Instrument Shown 1.3 Model 1700 Rear Panel Layout  Table 1-1. Model 1700 Rear Panel Description Computer Network Connector Aux I/O Connector...

  • Page 21: Model 1700 Specifications @ 25°C

    Introduction Model 1700 System Specifications 1.4 Model 1700 Specifications @ 25°C System Architecture Display: 4.3” 24-bit color TFT display, 480x272 pixel with resistive touch screen Sensor types: Superconductivity-based liquid level Maximum length readout: Superconductivity-based liquid level (LHe) - 80 in...
  • Page 22 Introduction Model 1700 System Specifications №1 and/or №2 Contact Form: 1 Form A (SPST-NO) (W171DIP-7, or equivalent): Maximum Switched Power: 0.29 W Maximum Switched Current: 3 A Switching Voltage: 60 V / 100 V Communication Protocol Host computer network protocol:...
  • Page 23 Introduction Model 1700 System Specifications Power Frequency Magnetic Field (EN 61000-4-8) Voltage Dips and Interrupts (EN 61000-4-11) Harmonics (EN 61000-3-2) Flicker (EN 6100-3-3) Conducted Emissions (EN 55011/IEC/CISPR 11) Radiated Emissions (EN 55011/IEC/CISPR 11) Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use (IEC 61010-1) a.
  • Page 24 Introduction Model 1700 System Specifications Rev. 2...

  • Page 25: Installation

    2.2 Mounting the Model 1700 Instrument If the Model 1700 Instrument is to be used as a table top model, place the equipment on a flat, secure surface. If the Model 1700 Instrument is to be rack mounted, install it in a 19" wide instrument rack using the mounting hardware supplied by the rack cabinet manufacturer.

  • Page 26: Connecting The Sensor To The Instrument

    This will give an indication of a higher helium level than actually exists. 6. Connect the sensor to the Model 1700 LHe Level Sensor connector on the instrument rear panel (refer to “Liquid Helium Connector J1 Wiring” on page 63). The liquid helium level sensor leads are color coded: Table 2-1.
  • Page 27 The sensor connector is for use with an AMI LHe sensor and the wiring for the sensor is to have no live parts which are accessible. Conductors connected to its terminals must be insulated from user contact by basic insulation rated for 150 V (Category I).

  • Page 28: Power Requirements

    Power Requirements 2.5 Power Requirements Warning The Model 1700 Instrument operates on 50-60 Hz power and may be powered from 100-240 Vac. Insure that the input ground terminal is connected securely to an external earth ground. Insure the detachable mains supply cord is of suitable rating, i.e. 10 A (min) at 125 Vac for North America.

  • Page 29: Operation

    3 Operation This section describes the operation of the Model 1700 Instrument. 3.1 Energizing the Model 1700 Instrument 1. Turn the power switch on the front panel of the instrument to the On ( ) position. The display will briefly show the AMI logo and then boot information.

  • Page 30: Navigating The Instrument Menus

    3.3.1 Menu Overview The Model 1700 Instrument displays menus on the graphic display to the left of the keypad. Press on the menu keypad to display options on MENU the graphic display. Menu options are listed in the following Table.
  • Page 31 Using the Model 1700 Menus Note The following table shows all menu choices, some of which will not be shown based on the instrument configuration. Table 3-2. Model 1700 Helium Level Instrument Menu Structure Menu Label Function Field Type OUTPUTS ALARM RELAY No.1 SOURCE:...
  • Page 32 Operation Using the Model 1700 Menus Table 3-2. Model 1700 Helium Level Instrument Menu Structure Menu Label Function Field Type NETWORK ADDRESS: <value> Data entry or Information NETMASK: <value> Data entry or Information GATEWAY: <value> Data entry or Information ADDRESSING:...

  • Page 33: Editing A Field

    Operation Using the Model 1700 Menus Table 3-2. Model 1700 Helium Level Instrument Menu Structure Menu Label Function Field Type SYSTEM SERIAL NUMBER: Information: (page 2) <value> HARDWARE VERSION: Information: <value> DATE OF MANUFACTURE: Information: <value> FIRMWARE VERSION: Information: <value>...
  • Page 34 Operation Using the Model 1700 Menus Table 3-3. Model 1700 Instrument Footer during editing a field Button Reference Name Function Paragraph Saves the entries made on the screen. The  SAVE footer changes to the footer shown in Table 3- 1, above.

  • Page 35: Menu Navigation

    3.4.1 Configure the instrument to display helium level Note If the instrument was purchased with an AMI LHe level sensor, Steps 1 through 10, below have already been performed. 1. From the main screen, choose the following: MENU > SENSORS.
  • Page 36 Operation Using the Model 1700 Menus 2. Choose the type of LHe level sensor, 4.2K or 2K. Figure 3-9. Type of LHe Level Sensor 3. Ensure that He LEVEL ON HOME SCREEN? is set to YES. Figure 3-10. Helium Level On Home Screen 4.
  • Page 37 Operation Using the Model 1700 Menus 6. In the numeric pop-up keypad, enter the sensor active length in centimeters. Press Enter when finished. Figure 3-13. Numeric Keypad 7. Press in the CONTIN. MEASURE TIME LIMIT field. 8. Using the pop-up numeric...

  • Page 38: Sample And Hold Operation

    VOLTAGE button and the level reading will be updated as will the displayed sensor voltage. 2. AMI expects the helium level sensor to be reasonably clean and free from oil, water, ice, etc. for proper operation. However, it is recognized that some experiments might result in some material being deposited on the sensor wire.

  • Page 39: Alarms And Relays

    Figure 3-18. Dirty Sensor Mode 3.5 Alarms and Relays 3.5.1 Overview The Model 1700 Instrument has two types of alarms, level-based and time- based alarms. 3.5.1.1 Level-Based Alarms The Model 1700 Instrument has two user-configurable level alarms. Each alarm can be triggered by either level measurement (for dual level config- ured instruments).

  • Page 40: Configuring Alarm Setpoints

    Operation Using the Model 1700 Menus 3.5.2 Configuring Alarm Setpoints 1. From the MENU choice, select OUTPUTS and the first page of the Output Configuration screen will be displayed. Figure 3-19. Output Configuration Screen, Page 1 2. Ensure the Alarm Relay Source fields are set to HELIUM (or DISABLED).

  • Page 41: Muting An Alarm

    Operation Using the Model 1700 Menus 1. When an alarm is initiated, several things will occur: a. The bar-graph level display that is causing the alarm condition as well as the sensor name will flash red. b. The ALARM button in the...

  • Page 42: Analog Output Signals

    Operation Using the Model 1700 Menus on the display Touch the units on the display to change the units. The available units are percent (%), inches (in), and centi- meters (cm). Figure 3-26. LN Home Screen 3.7 Analog output signals 3.7.1...

  • Page 43: Ethernet Connectivity

    Operation Using the Model 1700 Menus 3.8 Ethernet Connectivity 3.8.1 IP Addressing Scheme 1. From the MENU screen, choose NETWORK. The current settings will be displayed. Figure 3-28. Network Selection 2. To change the settings, choose EDIT. Figure 3-29. Editing Network Selection 3.

  • Page 44: Abnormal Operation

    Operation Using the Model 1700 Menus Note Until the instrument is rebooted, the IP Addressing changes will not be applied. Figure 3-31. Saving Network Settings 3.9 Abnormal Operation 3.9.1 Dirty Helium Sensor Operational Mode Refer to section 3.4.4 on page 22.

  • Page 45: Shutting The Instrument Down

    1. The instrument should be shut down by using the menu function SHUT DOWN SYSTEM. Note The Model 1700 Instrument is a Linux-based computer system and in Figure 3-34. Invoking Instrument Shut order to ensure the file system is Down properly unmounted, the SHUT DOWN SYSTEM function should be invoked.
  • Page 46 Operation Using the Model 1700 Menus Rev. 2...

  • Page 47: Calibration

    4 Calibration Model 1700 instrument is calibrated at the factory for a specific length sensor(s) for use in a specific liquid(s). The calibration length(s) and calibration liquid(s) are listed on the calibration sticker on the bottom of the instrument. 4.1 Setting the System Date and Time 1.

  • Page 48: Superconductivity-Based (Liquid Helium) Level Calibration

    Choose SAVE in the footer after all the fields have been edited as necessary. 4.2 Superconductivity-Based (Liquid Helium) Level Calibration The instrument has been calibrated for Liquid helium Sensors at the AMI facility. No further calibration is needed. However, to have the Model 1700 Instrument work correctly, at a minimum, the user must enter the correct active length for the sensor.

  • Page 49: Verify The Liquid Helium Sensor Type

    Calibration Superconductivity-Based (LHe) Calibration : Verify Sensor Type 4.2.1 Verify the Liquid Helium Sensor Type 1. Press the MENU button in the lower left corner of the display screen. Figure 4-5. Home Screen for Helium Level Display 2. Choose the SENSORS button from the MENU screen.

  • Page 50: Sensor Active Length

    Calibration Superconductivity-Based (LHe) Calibration : Sensor Active Length 2. Choose the SENSORS button from the MENU screen. Figure 4-9. MENU Selection Button 3. Choose the CALIBRATE HELIUM selection. Figure 4-10. SENSORS Selection 4. Press in the SENSOR SAMPLE INTERVAL field. A pop up numeric keypad will be launched.

  • Page 51: Sensor Name

    Calibration Superconductivity-Based (LHe) Calibration : Sensor Name 1. Press in the CONTIN. MEASURE TIME LIMIT field. A pop up numeric keypad will be launched. 2. Enter the maximum time in minutes that the sensor should remain energized in the continuous mode. Figure 4-13.

  • Page 52: Figure 4-17 Home Selection Button

    Calibration Superconductivity-Based (LHe) Calibration : Sensor Name 3. Press the home icon button in the screen footer to return to the level display screen. Figure 4-17. Home Selection Button Rev. 2...

  • Page 53: Remote Interface Reference

    IP address can be ascertained by referring to the section titled “IP Addressing Scheme” on page 27. By using a browser to connect to the instrument, all functionality of the Model 1700 can be controlled via the browser. 5.1 SCPI Command Summary...

  • Page 54: Scpi Serial (Rs-232) Communication

    (the requirements for a DTE, or Data Terminal Equipment device). If a serial-to-parallel converter is used, it must be capable of receiving data on pin 3 or the cable connected to the Model 1700 must interchange the wires between pins 2 and 3.

  • Page 55: Command Set Reference

    Error Codes section). All return values including error codes are terminated with <CR><LF> (i.e. a carriage return followed by a linefeed). For those commands that do not return a value, the Model 1700 will return the <CR><LF> termination only.
  • Page 56 Remote Interface Reference Command Set Reference : Instrument Configuration Queries Command: DISPLAY:N2? Returns a 0 if the instrument is not configured to display Function: liquid nitrogen level on the home screen and a 1 if it is. 0 or 1<CR><LF> Returns: Default: Command: DISPLAY:HE?
  • Page 57 Remote Interface Reference Command Set Reference : Instrument Configuration Queries Command: RELAY1:OPeration? Returns a 0 if relay №1 closes (alarms) when the level is Function: above the setpoint and a 1 if the relay closes (alarms) when the relay is below the setpoint. By default, relay №1 is configured as the high level relay with alarm condition when level is greater than the setpoint.
  • Page 58 Remote Interface Reference Command Set Reference : Instrument Configuration Queries Command: Returns the A setpoint limit (auto fill stop level) in the Function: current units Returns: <value><CR><LF> Default: Command: Returns the A setpoint limit (auto fill start level) in the Function: current units Returns:...
  • Page 59 Remote Interface Reference Command Set Reference : Instrument Configuration Queries Command: SOURCE:REC_OUT? Returns a 0 if the 0-10 V Recorder Output is disabled, a 1 if Function: it is configured for the nitrogen channel, and a 2 if it is configured for the helium channel.
  • Page 60 Remote Interface Reference Command Set Reference : Instrument Configuration Queries Command: HElium_PowerSupply? Returns the helium power supply configuration of the Function: instrument where 0 is not installed, 1 is standard, and 2 is XL version. Returns: 0, 1, or 2<CR><LF> Default: Rev.

  • Page 61: Commands For Setting The Units Of Measurement

    Remote Interface Reference Command Set Reference : Setting Measurement Units 5.5.2 Commands for setting the units of measurement Command: Sets the liquid level units of measurement to centimeters. Function: Returns: <CR><LF> Default: Command: INCH Sets the liquid level units of measurement to inches. Function: Returns: <CR><LF>...

  • Page 62: Commands For Configuring Setpoints

    Remote Interface Reference Command Set Reference : Configuring Setpoints 5.5.3 Commands for configuring setpoints Command: CONFigure:RELAY1:CHannel <value> Assigns relay 1 to either no channel (disabled) (0), nitrogen Function: (1), or helium (2). Returns: <CR><LF> Default: Command: CONFigure:RELAY2:CHannel <value> Assigns relay 1 to either no channel (disabled) (0), nitrogen Function: (1), or helium (2).
  • Page 63 Remote Interface Reference Command Set Reference : Configuring Setpoints Command: CONFigure:RELAY2:SETpoint <value> Configures the relay №2 trip setpoint in the current channel’s Function: units. Returns: <CR><LF> Default: Command: HI=<value> Sets the HI setpoint in the current units (Relay №1). Function: Returns: <CR><LF>...
  • Page 64 Remote Interface Reference Command Set Reference : Configuring Setpoints Command: CONFigure:INTerval:SAMPle <value> Sets the liquid helium sampling interval in minutes. Function: Returns: <CR><LF> Default: Command: CONFigure:HE:TIME_LIMIT <value> Sets the continuous measurement time limit for liquid helium Function: measurements in minutes. Returns: <CR><LF>...

  • Page 65: Commands For Setting The Channel Identifiers

    Remote Interface Reference Command Set Reference : Instrument Channel Identifiers 5.5.4 Commands for setting the channel identifiers Command: CONFigure:NAME:SENSOR:HE=<“string”> Function: Sets the name of the helium level sensor. Returns: <CR><LF> Default: Helium Level Rev. 2...

  • Page 66: Commands For Making Liquid Level Measurements

    Remote Interface Reference Command Set Reference : Measuring Level 5.5.5 Commands for making liquid level measurements Command: LEVEL Function: Returns the liquid nitrogen or helium level in the current units. Returns: <value><CR><LF> Default: Command: MEASure:HE:LEVel? Function: Returns the liquid helium level in the current units. Returns: <value><CR><LF>...
  • Page 67 Remote Interface Reference Command Set Reference : Measuring Level Command: MEASure:ADC2? Returns the liquid helium sensor excitation current in Function: milliamperes. Returns: <value><CR><LF> Default: Rev. 2...

  • Page 68: Commands For Calibrating Level Sensors

    Remote Interface Reference Command Set Reference : Calibration Functions 5.5.6 Commands for calibrating level sensors Command: CONFigure:HE:LENGTH=<value> Function: Configures the liquid helium sensor active length in current units. Returns: <CR><LF> Default: Returns -5 if the current units are percent. Note: Command: LENGTH=<value>...

  • Page 69: System Commands

    Remote Interface Reference Command Set Reference : System Commands 5.5.7 System Commands Command: SYStem:BEEPer:IMMediate,<time> Function: The receipt of this command causes an audible tone to be generated by the instrument. Note that this command generates an event and therefore it has no associated SYS:REBOOT state or query form. The duration time parameter is specified in seconds.

  • Page 70: Error Codes

    <CR><LF> Default: 5.6 Error Codes The Model 1700 returns specific error codes for invalid commands and/or arguments. If an error condition is returned, the command is not processed and the configuration of the instrument is not modified. The table below provides a list of error codes, their meaning, and any associated limits.
  • Page 71 Remote Interface Reference Command Set Reference : Calibration Functions Error Code Meaning Valid Range Attempted to set or query for LENGTH in PERCENT units mode Invalid argument, value out of   1 cm value 650 cm maximum calibration range ...
  • Page 72 Remote Interface Reference Command Set Reference : Calibration Functions Rev. 2...

  • Page 73: Service And Repair

    Do not use detergent or solvents. Do not attempt internal cleaning. 6.2 User Replaceable Parts Replacement parts for the instrument are listed in the table below. AMI Part Number Description HG0128 Instrument foot SA 1045 Single Rack Mount Kit...

  • Page 74: Battery Replacement

    Service and Repair 6.3 Battery Replacement This section describes the procedure for replacing the battery on the instrument's main circuit board. Warning This procedure should only be performed by a technician who is familiar with electronic instrumentation and trained in electrical safety and ESD precautions.

  • Page 75: Fuse Replacement

    Service and Repair 6.4 Fuse Replacement This section describes the procedure for replacing the two fuses on the instrument's main circuit board. Warning This procedure should only be performed by a technician who is familiar with electronic instrumentation and trained in electrical safety and ESD precautions.
  • Page 76 Service and Repair Rev. 2...

  • Page 77: Appendix

    Appendix A.1 Connector Wiring The following sections document the connector pin outs and pin definitions. A.1.1 Serial (RS-232) Connector Figure A-1 Serial (RS-232) Pin Out The RS-232 connector is a 9-pin D-sub female connector to connect standard DTE 9-pin D-sub male connector using a standard straight (not NULL) cable.

  • Page 78: Ethernet Connector

    Appendix Ethernet Connector A.1.2 Ethernet Connector Pin 1 Figure A-2 Ethernet Connector Socket Pin out Table A-2 Ethernet RJ-45 Connector Pin Definitions Mnemonic Function TXD+ Transmit differential output + TXD- Transmit differential output - RXD+ Transmit differential input + not used Transmit differential input - not used Rev.

  • Page 79: Liquid Helium Connector J1 Wiring

    Appendix Liquid Helium Connector J1 Wiring A.1.3 Liquid Helium Connector J1 Wiring Figure A-3 Liquid Helium (LHe) Level Sensor Connector Table A-3 LHe Level Connector Pin Definitions Function Sensor I+ (Red) Not used Not used Not used Not used Sensor V- (Yellow) Sensor I- (Black) Sensor V+ (Blue) Not used...

  • Page 80: Aux I/O Connector

    Appendix Aux I/O Connector Pin Outs A.1.4 Aux I/O Connector Figure A-4 Aux I/O Connector Table A-4 Aux I/O Pin Definitions Function Polarity 4-20 mA Current Loop 0-10 VDC Output Relay № 2 Dry Contact Relay № 1 Dry Contact External Reset Rev.

  • Page 81: Troubleshooting

    A.3 Firmware Licenses The Model 1700 firmware is based on a distribution of Debian Linux, with modifications to the Linux kernel by Technologic Systems and AMI, and additional user interface components by AMI. Some components of this firmware are licensed under agreements that require AMI to make source code available to interested parties.
  • Page 82 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. The Model 1700 firmware includes an OpenSSH client and server and also uses OpenSSH libraries in other components. The individual components...
  • Page 83 Appendix Troubleshooting ssh-keyscan was contributed by David Mazieres under a BSD-style license. * Copyright 1995, 1996 by David Mazieres <dm@lcs.mit.edu>. * Modification and redistribution in source and binary forms is * permitted provided that due credit is given to the author and the * OpenBSD project by leaving this copyright notice intact.
  • Page 84 Appendix Troubleshooting Remaining components of the software are provided under a standard 2-term BSD license with the following names as copyright holders: Markus Friedl Theo de Raadt Niels Provos Dug Song Aaron Campbell Damien Miller Kevin Steves Daniel Kouril Wesley Griffin Per Allansson Nils Nordman Simon Wilkinson...
  • Page 85 Appendix Troubleshooting Portable OpenSSH contains the following additional licenses: a) md5crypt.c, md5crypt.h * "THE BEER-WARE LICENSE" (Revision 42): * <phk@login.dknet.dk> wrote this file. As long as you retain this * notice you can do whatever you want with this stuff. If we meet * some day, and you think this stuff is worth it, you can buy me a * beer in return.
  • Page 86 ***************************************************************************/ The Model 1700 firmware uses portions of the "tslib" touchscreen library, which are licensed under the GNU Public License, version 2. The source code to tslib was obtained by AMI from github.com using the command: git clone https://github.com/kergoth/tslib The Model 1700's touchscreen browser was linked against the Qt libraries for The X Window System that were available from the Debian package repository.
  • Page 87 QT += webkit SOURCES = browser.cpp ---end file browser.pro--- The Model 1700 firmware uses the Jansson library for encoding and decoding messages in the JSON (JavaScript Object Notation) format. The Jansson library is subject to the following license: Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including...
  • Page 88 Appendix Troubleshooting The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

  • Page 89: Glossary

    A substance for obtaining low temperatures. in the case of use with the Cryogen Model 1700 instrument, a cryogen is a liquefied gas such as liquid nitrogen or liquid helium. Term referring to the family of connectors containing an odd number of...
  • Page 90 Glossary Term Meaning IEEE Institute of Electrical and Electronics Engineers Input/Output; The hardware and associated protocol that implement communication between information processing systems and/or devices. Inputs are the signals or data received by the system or device, and outputs are the signals or data sent from it. Internet Protocol;...

  • Page 91: Index

    1 Index Index abbreviations and acronyms safety analog input cryogenic liquids pin outs equipment legend liquid helium sensor connectors command warnings xiii conventions Safety, cryogens command summary 37–?? sensor connector J1 wiring Configuration, instrument xiii serial communications connecting commands liquid helium sensors interactive communication cryogenic liquids remote calibration...
  • Page 92 Index Rev. 2...

Table of Contents

Save PDF