Edwards, nEXT Turbomolecular Pumps, nEXT240, nEXT300 and ...

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B800-00-880 Issue B Technical data Logic interface item Output voltage Voltage accuracy Output current NORMAL status output: Type Table 10 - Logic interface technical data (continued) 0 to 10 V d.c. (directly proportional to measured parameter) Motor speed: 0 - 1000 Hz (0-100%) Input power: 0 - 200 W Motor temperature: 0 - 100 °C Controller temperature: 0 - 100 °C ±0.2 V 5 mA Open collector transistor plus pull up resistor. Refer to Figure 8 < Normal speed (default 80%) Off (2.2 k internal pull up to 12 V d.c.) Normal speed On (
B800-00-880 Issue B Figure 8 - Interface circuits for nEXT turbo pump controllers Technical data © Edwards Limited 2009. All rights reserved. Page 21 Edwards and the Edwards logo are trademarks of Edwards Limited.
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