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INFICON CATALOG 2000-2001 - Schoonover, Inc.

INFICON CATALOG 2000-2001 - Schoonover, Inc.

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SKY TM Capacitance Diaphragm Gauge<br />

Vacuum Gauges<br />

SKY Capacitance Diaphragm Gauge<br />

CDG045-SD<br />

The SKY CDG045-SD provides the most powerful technology of<br />

network communications and advanced sensor technology available<br />

in the market.<br />

The SKY CDG045-SD combines the advantages of DeviceNet<br />

network communications with the innovative technology of aluminum<br />

oxide ceramic CDGs. DeviceNet improves system quality, lowers cost<br />

and increases efficiency. It allows communication of exact digital<br />

information, independent control, maintenance and diagnostic routines<br />

for each connected instrument and simplifies the connection diagram.<br />

The SKY CDG045-SD conforms to the ODVA Specifications defined<br />

by the Semiconductor Special Interest Group.<br />

Patent pending on sensor and diaphragm<br />

Advantages<br />

♦ Marginal zero drift<br />

♦ Virtually corrosion proof Ð long sensor life results in reduced downtime<br />

thus reducing cost of ownership<br />

♦ Superior accuracy and repeatability over long period of operation<br />

♦ Better long-term and temperature stability<br />

♦ Less sensitive to frequent pressure cycles to atmosphere<br />

♦ Eliminates isolation valve (depending on operation mode)<br />

♦ Less susceptible to particles and process by-products through<br />

protective chamber<br />

♦ Fastest warm up time<br />

♦ Lower cost of investment<br />

♦ Supply with 11 to 25 V DC<br />

♦ Drop-in replacement of existing CDGs due to interface compatibility<br />

Typical Applications<br />

♦ Etch, CVD, PVD, and other semiconductor production methods<br />

♦ Chemical process engineering<br />

♦ Reference sensor for monitoring of test instruments in accordance<br />

with DIN/ISO 9000<br />

Using the SKY CDG045-SD with Fieldbus interface, processes can be<br />

controlled from one central position. The measures of control include:<br />

monitoring of measurement values, the automatic zero point adjustment<br />

of gauges, reminding the operator of scheduled maintenance work,<br />

warning signals in case of instrument failure and more.<br />

DeviceNet is a Fieldbus protocol with trunkline-dropline configuration<br />

which makes it possible to connect industrial instruments such as sensors,<br />

switches, valves, actuators etc. in a master/slave or peer-to-peer network.<br />

Such networks can connect up to 64 individual knots or instruments per<br />

network segment with one host (such as a PLC or PC). Integrated<br />

instruments can receive orders and requests from the host, execute them<br />

and then send information back as a result. DeviceNet offers the simplicity<br />

of running the signal as well as the power supply through the same<br />

Fieldbus cable. Knots can also be removed from the network without<br />

having to turn them off and without having to disconnect the network.<br />

DeviceNet uses the CAN (Controller Area Network) communications<br />

protocol for data transfer. CAN was originally developed for the automobile<br />

industry for applications such as control of ABS breaking systems and air<br />

bags Ð applications requiring fast response times and high reliability.<br />

The same speed and reliability in data transfer is utilized in the <strong>INFICON</strong><br />

sensors with DeviceNet.<br />

DeviceNet is an open networking standard that follows the DeviceNet<br />

specifications Ð this means that it is manufacturer independent.<br />

<strong>INFICON</strong> sensors adhere to these documented standards and guarantee<br />

real plug and play functionality.<br />

B6<br />

B6.9

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