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Gamry Instruments IMX8 Operator's Manual

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IMX8™ Multiplexer
Operator's Manual
Copyright  2022 Gamry Instruments, Inc.
Revision 1.0
July 14, 2022
988-00087

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Summary of Contents for Gamry Instruments IMX8

  • Page 1 IMX8™ Multiplexer Operator’s Manual Copyright  2022 Gamry Instruments, Inc. Revision 1.0 July 14, 2022 988-00087...

  • Page 3: If You Have Problems

    Please have your instrument model and serial numbers available, as well as any applicable software and firmware revisions. If you have problems in installation or use of a system containing an IMX8 Multiplexer, please call from a phone next to your computer, where you can type and read the screen while talking to us.

  • Page 4: Disclaimers

    Disclaimers Disclaimers Gamry Instruments, Inc. cannot guarantee that the IMX8 Multiplexer will work with all computer systems, operating systems, or third-party hardware/software. The information in this manual has been carefully checked and is believed to be accurate as of the time of printing.

  • Page 5: Table Of Contents

    Initial Visual Inspection ......................... 19 Physical Location ..........................19 Quick-start Guide for System Installation ....................20 Connection to Gamry Instruments Reference 600+ or 620 and Interface 1000 or 1010 potentiostats ..20 Connection to a Third-party Potentiostat/Galvanostat ................20 Cell Cable Installation ..........................20 Computer Requirements ........................
  • Page 6 Channel Isolation ..........................33 Local potentiostat ..........................33 Power Input ............................34 Environmental ............................34 Appendix B: I/O Connections for the IMX8 ....................35 Cell Cable Connector ..........................35 Normal Cell Cable Connections ......................36 Potentiostat Connector .......................... 37 Connecting the IMX8 to Third-party Potentiostats .................. 38 Appendix C: Certifications ..........................

  • Page 7: Chapter 1: Safety Considerations

    The IMX8 Multiplexer ’s circuitry does not contain voltages higher than 48 V DC. As a generalization, input and output voltages in the IMX8 Multiplexer are limited to 24 V. This voltage level is considered safe.

  • Page 8: Ac Mains Connection To The Power Brick

    63 Hz. It should therefore be useful throughout the world. The IMX8 Multiplexer is normally provided with an AC line cord suitable for your location. This AC line cord connects the AC mains to the AC power adapter. If your IMX8 Multiplexer has been provided without an AC line cord, or a cord that is not compatible with your local AC mains socket, obtain a line cord certified for use in your country.

  • Page 9: Functional Grounding And Product Safety

    The IMX8 is supplied with a line cord suitable for use in the United States. In other countries, you may have to replace the line cord with one suitable for your type of electrical outlet. You must always use a line cord with a CEE 22 Standard V female connector on the instrument end of the cable.

  • Page 10: Temperature And Ventilation

    Light Blue Green/Yellow If you have any doubts about the line cord for use with your IMX8, please contact a qualified electrician or instrument service technician for assistance. He or she can perform a simple continuity check that can verify the connection of the IMX8 chassis to earth and thereby check the safety of your IMX8 installation.

  • Page 11: Cleaning

    Use a cloth lightly dampened with either clean water or water containing a mild detergent to clean the outside of the IMX8 Multiplexer enclosure. Alternatively, you can use isopropyl alcohol. Do not use a wet rag or allow fluid to enter the IMX8 Multiplexer enclosure. Do not immerse the IMX8 Multiplexer in any type of cleaning fluid (including water).

  • Page 12: Ce Compliance

    Gamry Instruments, Inc. has modified its instruments, including the IMX8, to comply with these standards. The relevant CE regulations include EN 61010. RoHS Compliance The IMX8 Multiplexer has been built using lead-free components and lead-free solder. It is in compliance with the European RoHS initiative.

  • Page 13: Chapter 2: Introduction

    IMX8 connects one cell at a time to the potentiostat, which makes an electrochemical measurement on that cell. The IMX8 was specially designed for the needs of electrochemists. Extra features such as sense line and shield- switching, and control of inactive cells separate the IMX8 – designed specifically for electrochemists – from other general-purpose switching devices.
  • Page 14 The most important function of these commands is to select which cell is active (connected to the system potentiostat). You can think of an IMX8 as a complex switch. One of the eight cell cables on the IMX8 is switched so that it connects to the potentiostat’s cell cable. All of the wires (including sense leads and shields) in the cell cable are switched.

  • Page 15: Keyword Definitions

    Switching and Inactive Cell Control In the Operation Overview, we said you can think of the IMX8 as a complex switch. This section of the manual describes the IMX8-switching in some detail. In addition, control modes for inactive cells are discussed.
  • Page 16 S3 and S4 open. The relays in S1 are rated to carry 1.5 A and switch 500 mA. You can normally use the IMX8 with potentiostats rated at up to 100 V of output compliance and 1.5 A of output current.

  • Page 17: Notational Conventions

    The inactive control mode labeled “open” is the simplest. In this mode the cell is disconnected and isolated from both the system potentiostat and the IMX8. No cell current can flow between any electrodes. This is the most common inactive mode in corrosion studies, where the cell behavior at open circuit is of interest.
  • Page 18 Introduction Numbered lists. A numbered list is reserved for step-by-step procedures, with the steps always  performed sequentially. Bulleted list. The items in a bulleted list, such as this one, are grouped together because they represent  similar items. The order of items in the list is not critical. File names and folders.

  • Page 19: Chapter 3: Installation

    Front View of an IMX8 Multiplexer Initial Visual Inspection After you remove your IMX8 Multiplexer from its shipping carton, check it for any signs of shipping damage. If you find any damage, please notify Gamry Instruments, Inc., and the shipping carrier immediately. Save the shipping container for possible inspection by the carrier.

  • Page 20: Quick-Start Guide For System Installation

    Gamry Instruments supplies a standard cable (part number 985-00080) that properly connects the cell wires. This 1.5 m cable is equipped with a male 9-pin D-connector on the IMX8 end and a male 25-pin D-connector on the Reference 600+ or 620 and Interface 1000 or 1010 end.

  • Page 21: Computer Requirements

    Installation If you need to design a cell cable for your specific needs, refer to the pin-layout of the IMX8 cell cable in Appendix B of this manual. Computer Requirements Before you connect an IMX8 Multiplexer to a host computer, you must ensure that your computer meets these simple requirements: A computer based on one of the x86family ofIntel...

  • Page 22: Usb Cables

    The IMX8 Multiplexer connects to the computer using a standard High Speed USB A/B cable. A suitable cable was shipped with your IMX8 Multiplexer. If this cable is lost, you can get a replacement at almost any computer retailer. The replacement cable should be rated for USB 2.0 High Speed USB operation.

  • Page 23: First-Time Device Installation In Windows

    Installation ® First-time Device Installation in Windows These instructions presume you have already installed Gamry software Revision 7.9 or higher. Running the Framework Regardless of your electrochemical application, Gamry recommends running the Gamry Framework after you install new Framework software or add an instrument to your system. The Framework Instrument Manager allows you to: Rename instruments, ...

  • Page 24: Gamry Instrument Manager

    The Reference 600 labeled Jims Ref600 has a white indicator, showing it is plugged in but cannot be used. This is an indication of obsolete firmware. Though no IMX8 Multiplexer was used in this example, its status indicator behaves in the same manner described above.

  • Page 25: Firmware Update

    GIM is always in its own window, separate from the Framework window. Each Gamry device in the system appears in the list on the left. All Gamry Instruments devices that are known to the system are displayed in the Instrument Manger. Select an instrument by clicking on its name. Selecting an instrument that is connected and idle blinks its Power LED.

  • Page 26: Auto Update All

    If no updates are required to use the instrument, this tool is grayed out. When your firmware revision is incompatible, the Auto Update All button is active. This tool automatically selects the compatible firmware and installs it. Gamry Instruments recommends that you use this button. To use this tool, take the following steps: Caution: Do not power off or disconnect the instrument during this process.
  • Page 27 Click the … button under Pair with… to open the selection window. b. Select the potentiostat you want to pair with your IMX8 Multiplexer and press OK The Instrument Manager displays now the potentiostat paired with your IMX8 Multiplexer.
  • Page 28 The Select Function window appears. a. Select Multiplexer Pair. Click the OK button. b. The Select Multiplexer to Pair window opens. Select a multiplexer. Click the OK button. The Select Potentiostat to Pair with IMX8 window opens. Select a potentiostat.

  • Page 29: Test The Communications And Run Your Experiment

    Installation Click the OK button. d. A window confirms the successful pairing process. Click the OK button. Test the Communications and Run Your Experiment 1. Be sure your host computer is on, the multiplexer is on, and your potentiostat is on. 2.
  • Page 30 Installation Click the OK button. A window appears which prompts you to select a Multiplexer. Click the OK button. Watch the eight amber LEDs on the front of the multiplexer illuminate in sequence two times. Listen for the simultaneous clicks of the relays. b.
  • Page 31 Installation When a particular channel runs, the Channel LED for that channel illuminates. Table 3-1 Channel LEDs Status LED color Active channel Green Inactive channel Inactive mode of Yellow Local Potentiostat...

  • Page 33: Appendix A: Imx8 Multiplexer Specifications

    IMX8 Multiplexer Specifications Appendix A: IMX8 Multiplexer Specifications All specifications are at an ambient temperature of 25°C, with the IMX8 Multiplexer powered using the external power supply shipped with the unit (116 V AC). All specifications are after software calibration.

  • Page 34: Power Input

    IMX8 Multiplexer Specifications Power Input Input voltage ranges (selectable) 100, 120, 220, 240 V rms Allowed voltage variation (all ranges) ±10 Power (worst case) <15 Environmental Operating Temperature Range 0 to 40 C Relative Humidity 90 (non-condensing) Storage and Shipping Temperature –20 to 60...

  • Page 35: Appendix B: I/O Connections For The Imx8

    Table B-1. Most of the pins in the IMX8 cell connector are switched to pins on the potentiostat connector when the cell is active. Only one pin is not switched: the ground pin. It is always connected to the system potentiostat’s...

  • Page 36: Normal Cell Cable Connections

    Normal Cell Cable Connections Normally you can use one of Gamry Instruments’ standard cell cables to connect each channel’s connector to its cell. Gamry supplies cables that are 1.5 m, 4.5 m, or 9 m in length. Special-purpose cables are also available.

  • Page 37: Potentiostat Connector

    I/O Connections for the IMX8 you use the IMX8 with a system potentiostat that includes a differential electrometer. If you are using a system potentiostat with a single-ended electrometer, you may leave this wire disconnected. The green working- electrode connection carries the cell current.

  • Page 38: Connecting The Imx8 To Third-Party Potentiostats

    If the potentiostat does not have a working electrode sense lead, you can leave the working sense pin  on the IMX8 open. You can ignore the counter sense pin on the IMX8 connector (unless the cable is intended for use with  a Gamry Instruments potentiostat). Leave this pin disconnected.

  • Page 39: Appendix C: Certifications

    Manufacturer's Name and Location: Gamry Instruments 734 Louis Drive Warminster, PA 18974 This declaration is for the Gamry Instruments product model: IMX8 Multiplexer The declaration is based upon compliance with the following directives: EMC Directive 2014/30/EU  The declaration is based upon product compliance with the following standards as defined in report number R-3542P-1 from Retlif Testing Laboratories for EMC testing and analysis and report number RET 17514-01 from Washington Laboratories, Ltd.

  • Page 40: Certificate Of Conformance

    Certifications Certificate of Conformance...

  • Page 41: Declaration Of Conformity: No. Doc-2022-Ukca-Imx8

    Manufacturer's Name and Location: Gamry Instruments 734 Louis Drive Warminster, PA 18974 This declaration is for the Gamry Instruments product model: IMX8 Multiplexer The declaration is based upon compliance with the following directives: EMC Directive 2014/30/EU  The declaration is based upon product compliance with the following standards as defined in report number R-3542P-1 from Retlif Testing Laboratories for EMC testing and analysis and report number RET 17514-01 from Washington Laboratories, Ltd.

  • Page 43: Appendix D: Comprehensive Index

    Comprehensive Index potentiostat, 13, 14, 15, 16, 17, 27, 29, 35, 36, 37, Appendix D: Comprehensive Potentiostat connector, 20, 35, 37, 38 Index power brick, 7, 8 Power LED, 25 AC adapter, 7, 8 power line transient, 11 AC line cord, 8 radio frequency, 11 AC mains, 8 Reference Electrode, 17, 36, 38...

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