Chapter 3 -- Installation--Multiple Potentiostat Systems
3 - 5
You can also safely remove the USB cable without powering down the Interface 1000 and your computer. Be
aware, however, that this may have undesirable consequences if the system is currently taking data or
performing an electrochemical experiment.
Multiple Potentiostat Systems
Gamry’s current Framework software (Revision 6.0) allows a computer to operate up to 16 Gamry Instruments
potentiostats simultaneously. The 16 potentiostats can include Interface 1000s, Gamry Reference family
instruments and even older PCI4 and Series G devices.
A system with multiple Interface 1000s just needs them all plugged into the computer via a High Speed USB
hub. We do not recommend using bus-powered hubs to expand your USB network: an externally powered
USB hub is required. Suitable hubs are available at most computer retailers.
Gamry’s Interface Power Hub is an especially convenient tool for organizing a system containing up to eight
Interface family instruments. It includes a 10 port USB hub and 48 volt power distribution in a rack designed
to hold the instruments. Unlike most instruments with multiple potentiostats in one box, the Interface
instruments in an Interface Power Hub are easily removed for temporary use elsewhere in you lab.
Contact our home office or your local Gamry Instruments representative if you need assistance configuring a
system containing an Interface 1000 and different Gamry potentiostats.
Heat can be an issue in a multiple potentiostat system. This subject is discussed in detail in Appendix E of this
manual.
Cell Cable Installation
The Cell Connector is a 25-pin female D connector on the front of the Interface 1000 (see Figure 3 - 1).
All Gamry standard cell cables have a 25-pin D-connector on one end and a number of leads terminated with
banana plugs on the other. The D-connector end of the cable is connected to the Cell Cable port on the front
of the Interface 1000. The knurled screws on this cable should always be used to hold the cable in place.
A wide variety of cell cables are available for the Interface 1000. These include shielded cables in various
lengths and special cables for use in EIS systems where very low impedances must be measured. The Interface
1000 can automatically detect which Gamry Instruments cable is connected and the Gamry Framework
software can then adjust the system performance for the characteristics of that cable.
Front Panel USB LED
The front panel USB LED provides a simple test of two aspects of normal Interface 1000 USB operation. It has
three normal states:
• Unlighted, indicating that the USB cable is disconnected or the USB connection is disabled by the
host computer,
• Solid Green, indicating that a valid cable connection has been made and the Interface 1000 USB
processor is receiving power from the USB cable,
• Flashing Red or Yellow, indicating that valid USB messages are being transferred between the
computer and the Interface 1000.
The flashing state will only be seen when Gamry Instruments application software is running.
1
st
Time Device Installation in Windows XP
When an Interface 1000 is first connected to a computer running Windows, the Windows Plug and Play
Manager will see the new device, but it may be uncertain what device it is.
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