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Digidata 1550B Low-Noise Data Acquisition System User Start Guide

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5040237 B

Digital Outputs

Telegraph Inputs

HumSilencer Adaptive Noise Cancellation Module

Appendix A: Electromagnetic Compatibility

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Содержание Digidata 1550B

Страница 1: ...5040237 B January 2021 Digidata 1550B Low Noise Data Acquisition System Plus HumSilencer Adaptive Noise Cancellation System User Guide...

Страница 2: ...y right and or license to use or permit others to use such manufacturers and or their product names as trademarks Each product is shipped with documentation stating specifications and other technicali...

Страница 3: ...is used in a manner not specified by Molecular Devices the protection provided by the equipment might be impaired Symbols on Instrument Labels Each safety label found on the instrument contains an al...

Страница 4: ...European Union You must not discard this electrical or electronic product or its components in domestic household waste or in the municipal waste collection system For products under the requirement o...

Страница 5: ...igitizer 12 Configuring Software for Digidata 1550B Digitizer Use 13 Chapter 3 Interface Description 15 Front Panel 15 Rear Panel 19 Chapter 4 Maintenance 21 Functionality Tests 21 Grounding and Minim...

Страница 6: ...50B Low Noise Data Acquisition System User Start Guide 6 5040237 B Digital Outputs 37 Telegraph Inputs 38 HumSilencer Adaptive Noise Cancellation Module 38 AC Power 38 Appendix A Electromagnetic Compa...

Страница 7: ...gh Analog Input Channels 0 or Analog Input Channels 0 2 4 and 6 to eliminate 50 Hz or 60 Hz line frequency noise and associated high frequency harmonics The Digidata 1550B digitizer communicates with...

Страница 8: ...t of every line power cycle is reported to the high speed logic section of the processor Using this timing signal as an input to mark the beginning and end of the power line cycle the digitization cir...

Страница 9: ...rage at 1 50 amplitude This transient situation is not an issue if the peak to peak broadband noise associated with the signal is greater than about 1 25 of the amplitude of a step or spike in the sig...

Страница 10: ...Digidata 1550B Low Noise Data Acquisition System User Start Guide 10 5040237 B...

Страница 11: ...are version 11 only support Digidata 1440A Series digitizers and newer digitizers The new software and drivers install without removing previously installed software and drivers allowing you to contin...

Страница 12: ...60221 into any USB port on the computer connected to the digitizer Depending on your software license you might receive two dongles one for data acquisition and one for data analysis The black Clampex...

Страница 13: ...pment that can be damaged by such voltages during the startup period This configuration procedure applies to AxoScope software version 11 2 and Clampex software version 11 2 Demo configuration is acti...

Страница 14: ...umber firmware version HumSilencer channel availability 0 1 or 4 and the OK button is enabled 5 Click OK to exit the dialog Updating the digitizer information can take up to one minute after which the...

Страница 15: ...eight 16 bit single ended analog input channels The BNC shields for the Analog Inputs are connected to the Analog ground All of these channels can be used simultaneously without any reduction in thro...

Страница 16: ...izer analog inputs It is not a filter and does not have a filtering effect on acquired signals nor does it cause waveform distortion such as frequency change amplitude attenuation phase shift or DC vo...

Страница 17: ...bled and learning the line frequency noise Figure 3 3 Figure 3 3 The HumSilencer system Real Time Controls panel items in active learning mode but not actively canceling noise The Real Time Controls p...

Страница 18: ...f the learned real time noise patterns HumSilencer Start and HumSilencer Stop comment tags are displayed in the Clampex software or AxoScope software data file For more detailed usage procedures refer...

Страница 19: ...s Computer controlled amplifiers such as MultiClamp 700A B Microelectrode Amplifier and Axoclamp 900A Computer Controlled Microelectrode Amplifier use software telegraph signals instead of such hard w...

Страница 20: ...Digidata 1550B Low Noise Data Acquisition System User Start Guide 20 5040237 B...

Страница 21: ...e only by Molecular Devices qualified personnel When service is required contact Molecular Devices Technical Support Functionality Tests Run functionality tests to verify digitizer signals The functio...

Страница 22: ...present to reporting the selected digitizer model number serial number firmware version channel availability 0 1 or 4 and the OK button enables 5 pCLAMP software Only If the Configuration field repor...

Страница 23: ...us controllers tree 4 Find an entry for a USB 2 0 or USB 3 0 controller Test Output Signal Functionality To test analog and digital outputs signals are working with either AxoScope software or Clampex...

Страница 24: ...elect the matching signal for example OUT 1 from its list 3 Attach the digitizer outputs to an oscilloscope or 10 bit digital volt meter DVM 4 For each output signal use the Real Time Controls panel i...

Страница 25: ...and then on the Inputs tab for each of the Analog IN Channels select the matching signal for example IN 0 from its list 3 Connect a BNC cable from the analog outputs to the analog inputs to be tested...

Страница 26: ...k box is selected 2 Click Edit Protocol or click Acquire Edit Protocol and then on the Inputs tab Select the Analog IN Channel 0 HumSilencer check box or if your instrument uses four ANC inputs select...

Страница 27: ...inate the source of the alternating magnetic field from a cheap transformer or an electric motor such as found in a nearby fan or refrigerator Try to rearrange the two BNC cables to determine if their...

Страница 28: ...the fuse If you need replacement fuses contact Molecular Devices Technical Support The Digidata 1550B digitizer uses a pair of fuses located in a fuse carrier under the AC input port For Digidata 155...

Страница 29: ...37 B 29 7 Reconnect the power cord to the AC input port 8 Switch on the power from the front of the instrument Note If the instrument still does not power on after changing the fuses contact Molecular...

Страница 30: ...Digidata 1550B Low Noise Data Acquisition System User Start Guide 30 5040237 B...

Страница 31: ...nstruments and test the digitizer and computer combination by itself 4 Swap the unit with a known good unit to help determine whether the problem is with the digitizer or the computer Problems From Th...

Страница 32: ...If noise is added to the signal on the analog input make sure that all cables are routed away from switching power supplies power cords monitors or any other major sources of noise Check for proper g...

Страница 33: ...In Configure Program Options select Disable screen saver during data acquisition Obtaining Support Molecular Devices is a leading worldwide manufacturer and distributor of analytical instrumentation s...

Страница 34: ...r Start Guide 34 5040237 B Clampex software users 1 Connect Analog Out 0 to Analog In 0 2 From Acquire New Protocol run an Episodic stimulation mode protocol with a default waveform specified 3 Click...

Страница 35: ...Dimensions H x W x D 109 mm x 483 mm x 363 mm Mains Power Input 100 240 VAC 50 60 Hz Max 50 W Mains Voltage Fluctuations Not to exceed 10 of nominal supply voltage Equipment Class 1 Pollution Degree 2...

Страница 36: ...Analog Inputs Specifications 1 Depending on the model Analog Input Channels 0 2 4 and 6 are configurable with the HumSilencer system Analog Outputs Item Description Number of channels 8 Resolution 16...

Страница 37: ...igital Outputs Specifications A DB 25 pin female connector is provided on the rear panel with the following pin assignments as listed in Table 6 6 Pin Number Digital Output 1 0 2 2 3 4 4 6 5 N C 6 Ana...

Страница 38: ...lencer Adaptive Noise Cancellation Module Item Description Maximum Input Signal total of noise signal 10 V Maximum Noise Amplitude 20 V peak to peak on a 0 V signal Noise Cancellation Line frequency 5...

Страница 39: ...C Notice This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 18 of the FCC Rules These limits are designed to provide reasonable protection...

Страница 40: ...ecular Devices LLC or their respective owners Specifications subject to change without notice Patents www moleculardevices com patents FOR RESEARCH USE ONLY NOT FOR USE IN DIAGNOSTIC PROCEDURES 2021 M...

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