A/D Converters
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CB20 - PCI Board of D/A and D/f Converters
The CB20 card is designed for controlling LC pumps (that can be steered by frequency or voltage) using Clarity chromatography software.
It contains four 16-bit D/A converters and four 28-bit frequency (D/F) converters as well as eight auxiliary logical inputs and outputs. The board has been especially designed for control of analog-operated pumps through Clarity chromatography stations.
The CB20 card is a direct successor of the ISA card CB11.
LC pump control is available as an option to the Clarity program. Control is then accomplished using the Method Setup – LC Control and LC Monitor dialogs found in the Instrument window to which the controlled instrument is connected. A detailed description of the Clarity LC Control environment is provided in the CB20 manual.
LC pumps that can be controlled using the CB20 board are listed in the "List of controlled instruments" datasheet.
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Technical data:
| CB20 | |
| Voltage range | -10 V +10 V |
| Frequency range | 0.03 Hz - 100 kHz |
| Digital inputs/outputs | 8/8 TTL (5 V) |
| Design | PCI board * |
| CB20 | |
* Full size PCI 2.0, 32 bit PCI slot is required. Low profile or PCI Express slots cannot be used.
Possible combinations:
| WIN XP | WIN 2000 | WIN NT | Win 98, Me | |
| CB20 | Clarity CSW32 |
Clarity CSW32 |
Clarity CSW32 |
Clarity (until 2.4.1) CSW32 |
| WIN XP | WIN 2000 | WIN NT | Win 95, 98, Me |




