Clarity INT9 manual Technical Data, Input impedance Sample rate

Page 35

Clarity - INT9 A/D converter

Tables and specifications

5.4Technical Data

Converter type:

24-bit ΔΣ (delta – sigma)

 

 

Analog inputs:

differential

 

 

 

 

Number of channels:

1, 2 or 4 fully independent and isolated

 

Input range:

Unipolar

and

bipolar,

each

channel

 

independentely 156, 1 250 or 12 123 mV

Input impedance:

> 1 MΩ

 

 

 

 

Sample rate:

6.3, 12.5, 25, 50, 100, 200, 400 samples per

 

second for

50Hz

mains

frequency filter

 

7.5, 15, 30, 60, 120, 240, 480 samples per

 

second for 60Hz mains frequency filter

 

Non-linearity:

< 0.003 %

 

 

 

 

Temperature

< 10 ppm/°C

 

 

 

dependence

 

 

 

 

 

Digital inputs:

4 TTL (5V)

 

 

 

 

Digital outputs:

8 TTL (5V, maximum current load per output 20

 

mA, maximum total current load 100mA), the

first four control relays (switching contacts rating: max. switching current 0.5 ADC, max. contact resistance 150mΩ, max. voltage 100V)

Typical noise free resolution for various acquisition speeds and input ranges:

 

12 123 mV

1 250 mV

156 mV

6.3 Hz

21.5 bit

21.5 bit

20 bit

25 Hz

21 bit

21 bit

20 bit

100 Hz

19.5 bit

19.5 bit

19.5bit

200 Hz

16.5 bit

16.5 bit

16.5 bit

400 Hz

16 bit

16 bit

16 bit

35

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Contents Clarity Clarity Hardware Page Using multiple INT9 cards Using the INT9 card INT9 Acquisition card Brief DescriptionAdvantages of the INT9 A/D converter Hardware and software requirementsStandard cable for Clarity station InstallationSignal cables INT9 CardDigital output cables Connection with ChromatographStarting marker cables Connecting Clarity to chromatograph Select the DataApex INT9 A/D Card and press Clarity configurationDataApex INT9 A/D Card will appear Setup Control Modules list of the dialogSystem Configuration multiple Instruments System Configuration two INT9 cards Device Manager two INT9 cards Number of Channels Using the INT9 cardINT9 A/D Card Setup Bipolar Inversion of SignalChannel 1 to NameSupply Frequency Method SetupSample Rate Select DetectorRange Start Stop External Start/StopStart Only Start RestartDown Digital Inputs and OutputsLocate your problem TroubleshootingBoard malfunction Problems with INT9 driverError status of the driver How to check the INT9 driverManual Installation of the INT9 drivers Go to Start Programs Accessories System Tools System Restore Reinstallation of drivers in Windows Invoke the Start Control Panel Add/Remove Hardware Select Add/Troubleshoot a device and press the Next button Clarity directory. Then press the Next button Data Acquisition non-functional Data Acquisition Simulated Clarity INT9 A/D converter Troubleshooting Description of the INT9 card connector Male Tables and specificationsParameters of digital Inputs and Outputs INT9 CE Conformity Declaration Input impedance Sample rate Technical Data