Axon Digidata 1322A, Operator'S Manual

Page 1: ...eproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying microfilming recording or otherwise without written permission from Axon Instruments Inc QUESTIONS Phone 1 510 675 6200 Fax 1 510 675 6300 E mail tech axon com Web www axon com If you encounter difficulties and need technical support PLEASE read the TROUBLESHOOTING section on page 9...

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Page 3: ...extensively tested and thoroughly calibrated before leaving the factory Nevertheless researchers should independently verify the basic accuracy of the instrument using suitable test signals DISCLAIMER This equipment is not intended to be used and should not be used in human experimentation or applied to humans in any way CAUTION Do not open the unit There are no user serviceable parts inside ...

Page 4: ... Digidata 1322A Year of Manufacture 2000 Application of Council Directives EC EMC Directive 89 336 EEC as amended EC Low Voltage Directive 73 23 EEC as amended Harmonized Standards to which Conformity is Declared EMC EN 55011 1998 Class B EN 50082 1 1998 Safety EN 61010 1 2001 I the undersigned hereby declare that the equipment specified above conforms to the above Directives and Standards Authori...

Page 5: ...nents 2 Minimum Computer Requirements 2 Recommended Computer System 2 Notes on the SCSI Adapter Card 3 Rack Mount Kit 3 Chapter 2 INSTALLATION 5 Instructions 5 Chapter 3 TROUBLESHOOTING 9 Functional Checkout 9 Step 1 9 Step 2 9 Step 3 10 Troubleshooting 11 Grounding and Minimizing Noise 13 Before you call 14 ...

Page 6: ... In 16 Rear Panel 17 Telegraph Inputs 17 Digital Outputs 17 Trigger Output 18 Line Frequency Output 18 Digital Outputs 0 15 18 Digital Inputs 0 15 19 Peripherals 19 SCSI ID 19 SCSI Ports 19 SCSI Termination 20 Power Supply 20 Chapter 5 SPECIFICATIONS 21 Analog Input 21 Analog Output 22 Digital Inputs 22 Digital Outputs 22 Trigger In 22 STANDARD WARRANTY and REPAIR SERVICE 23 INDEX 25 ...

Page 7: ...from the factory with a SCSI adapter card that should be installed into the computer although you may choose to use an existing SCSI port The Digidata 1322A is compatible with both the Windows and Macintosh operating systems It is a plug and play device it is automatically recognized by Windows 95 98 and 2000 The Digidata 1322A is supported by Clampex 8 AxoScope 8 and AxoGraph 4 2 and higher versi...

Page 8: ...acintosh One open PCI slot 32 MB RAM 200 MB hard disk Parallel port if using with the parallel port key required by pCLAMP 800 x 600 display system small fonts Windows 95 98 NT 4 0 or Windows 2000 operating system PC OR System 7 5 Mac Recommended Computer System IBM PC compatible computer with a Pentium 200 MHz or faster OR Power Macintosh G4 One open PCI slot 64 MB RAM or higher 1 GB hard disk or...

Page 9: ...t The Digidata 1322A is designed to be a desktop unit However some users may want to mount the Digidata 1322A in a rack so a Rack Mount Kit is provided The Rack Mount Kit includes the following parts One Rack Mount Panel Two Side Brackets with set screws Four Screws Refer to the figure on the next page and follow these instructions for installation 1 Remove the bezel the frame that surrounds the f...

Page 10: ...against the Rack Mount Panel e Use the four Screws to secure the Rack Mount Panel to the Side Brackets f Tighten the Side Bracket set screws up against the side panels 4 Secure the entire unit in the rack a Place the unit Digidata 1322A plus the attached rack mount assembly in the rack b Secure the Rack Mount Panel to the rack with four rack screws not included EN C LO SU R E M O U N TI N G B R A ...

Page 11: ...uide to install the included SCSI Host Adapter If you lost the SCSI adapter installation guide you can find a copy at the Axon web site on the Digidata 1320 Series technical support page http www axon com MR_Digidata1320_Support html 3 Install AxoScope If you have pCLAMP 8 install pCLAMP instead of AxoScope For Windows systems only If you are installing on a Macintosh to use with AxoGraph 4 2 or a...

Page 12: ...I port while the computer is on 4 Connect the Digidata 1322A to the SCSI adapter a Carefully connect the SCSI cable to the Digidata 1322A and to the SCSI port b Turn on the Digidata 1322A c Turn on the computer d New Hardware should be found and properly identified as the Digidata 1322A under Windows 95 98 and 2000 NT 4 0 is not plug and play 5 Configure the digitizer in AxoScope or pCLAMP a Disco...

Page 13: ...rning you to disconnect any BNC cables from the Analog Outputs Press OK and in a couple of seconds it should say Calibrated underneath the Calibrate button Press the OK buttons until all the dialogs are closed We recommend that the Digidata 1322A be calibrated whenever there is a change in the environment such as moving it to another room or installing it on another computer f The Digidata 1322A i...

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Page 15: ... Out channels at the time that the Digidata 1322A is turned on The initial Digital Out levels can also be set high or low by clicking on the check boxes above the numbers corresponding to each digital output a check means high blank means low Step 2 Check to make sure that you have a proper ASPI driver installation on your system This should have occurred during the installation of AxoScope or pCL...

Page 16: ...igidata 1322 Then click on the plus sign next to SCSI controllers You should see the label for the SCSI adapter card shipped with the Digidata 1322A Double click on the SCSI adapter entry to see the device status Windows NT 4 0 users can verify the correct installation of the SCSI adapter in a similar manner by going to Start Button Settings Control Panel SCSI Adapters and looking at the SCSI adap...

Page 17: ...use box is found in the middle of the Power Unit on the rear panel Simply remove the power cord and then reach underneath the fuse box to open 3 The screen shows a straight line instead of the input signal Are all external connections properly made Check cables for continuity problems Make sure the SCSI cable is securely attached to both the card and the interface box Try rebooting the computer an...

Page 18: ...ise makes a programmable gain unnecessary 8 When troubleshooting the Digidata or your software it is best to simplify your software configuration by turning off all other programs It may appear that there are no other programs running in the background However this may not be the case To see if other programs are running in the background click on an empty place on the desktop and then press Ctl A...

Page 19: ... of the alternating magnetic field a cheap transformer an electric motor such as found in a nearby fan or refrigerator Try to rearrange the two BNC cables to determine if their positioning tells you anything about the source of the alternating field High frequency components 20 to 50 kHz may also appear if there is a ground loop These originate from the switching power supply of the computer and c...

Page 20: ... e g Pentium II and speed of the microprocessor e g 300 MHz how much RAM is installed which operating system is loaded Windows 95 98 NT 2000 3 What other cards are installed in the computer e g network sound SCSI etc If possible find out what I O addresses DMA channels and IRQs are being used 4 Clampex users connect Analog Out 0 to Analog In 0 Then run an Episodic mode protocol with a waveform spe...

Page 21: ...ACE DESCRIPTION Front Panel The front panel connectors are all BNCs There are two LEDs POWER and READY Upon power up the READY LED will blink for a few seconds then it should remain on continuously If it does not please see TROUBLESHOOTING in Chapter 3 ...

Page 22: ...age output noise is 150 µV peak to peak in a 10 kHz bandwidth measured with a single pole filter with no voltage command applied Each channel has an operational amplifier to buffer the output signal of the D A converter The two analog output channels can be used simultaneously for waveform generation in Clampex Digital Output Digital Outputs 0 3 are found on the front panel of the Digidata 1322A T...

Page 23: ...e telegraph input channels provide gain frequency or capacitance values from Axon Instruments amplifiers i e Axopatch 200B These inputs are independent of the 16 analog input channels Digital Outputs Digital Outputs 4 7 are found on the rear panel of the Digidata 1322A Therefore there are a total of eight Digital Output BNC connectors provided by the Digidata 1322A four on the front panel and four...

Page 24: ... external devices at the line frequency If you wish to trigger the Digidata synchronously with the line frequency it is preferable to use the internal line frequency trigger which can be selected as one of the trigger sources in the Clampex or AxoScope software Digital Outputs 0 15 This is a 25 pin female type connector with the following pin assignments pin Digital Output 1 15 2 13 3 11 4 9 5 Lin...

Page 25: ...22 11 23 13 24 15 25 Analog ground Peripherals This port provides a connection to future peripheral devices such as a signal conditioner SCSI ID This number identifies the SCSI device ID of the Digidata 1322A The factory default setting is 4 All devices on the SCSI bus must have a unique ID SCSI Ports On the rear panel there are two SCSI ports which are identical Either one is OK for connecting th...

Page 26: ... switch on the rear panel provides for enabling and disabling termination We recommend that this switch remain in the ON position In a SCSI bus only the devices at both ends of the bus require termination If there is more than one SCSI device on the SCSI bus we recommend that the Digidata 1322A be placed at the end of the SCSI chain Power Supply The power supply is universal input Therefore both 1...

Page 27: ... of input channels 16 single ended Resolution 16 bit 1 in 65536 Acquisition rate aggregate 500 kHz Input range 10 000 V to 10 000 V Input resistance 1 MΩ Gain value 1 Integral linearity error 2 LSB max No Missing Codes 16 bit Signal to Noise Distortion fIN 100 kHz 84 dB min ...

Page 28: ...es 10 000 V to 10 000 V Output impedance 0 1 Ω Output short circuit to signal ground 25 mA Integral nonlinearity 0 003 FSR 1 LSB max Digital Inputs Number of bits 16 Input type TTL compatible Digital Outputs Number of bits 16 Output driver HC compatible Output current 4 mA Trigger In Input type TTL compatible TAG always level sensitive START 2 modes edge and level ...

Page 29: ...for the return shipping of the product to the customer If the shipment is to a location outside the United States the customer will be responsible for paying all duties taxes and freight clearance charges if applicable The warranty is valid when the product is used for its intended purpose and does not cover products which have been modified without approval from Axon Instruments or which have bee...

Page 30: ...ive years after a product is discontinued If you purchased your instrument from a Distributor or OEM Supplier contact them for repair service If you purchased your instrument from Axon Instruments contact our Technical Support Department If it is determined your instrument must return to the factory for repair the Technical Support Representative will issue a Return Merchandise Authorization RMA n...

Page 31: ...allation 3 5 Step by Step Instructions 5 Interface Description Front Panel 15 Rear Panel 17 Introduction 1 Minimum Computer Requirements 2 Components 2 Notes on the SCSI Adapter Card 3 Recommended Computer System 2 Line Frequency Output 18 Peripherals 19 Power Supply 20 Rack Mount Kit 3 Return Merchandise Authorization 23 SCSI ID 9 19 SCSI Termination 20 Specifications 21 Technical support i 13 Te...

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