VAT 650 Series - PRESSURE and SENSOR READING Allocation

Installation, Operating & Maintenance Instructions
Series 650 DN 100-250 (I.D. 4“ - 10”), CC-Link
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
280672EB
2010-12-15
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3.11.10 PRESSURE and SENSOR READING allocation
Example of PRESSURE and SENSOR READING allocation:
Above picture shows a 2 sensor system. In this configuration sensor 2 covers low range (100 mTorr) and sensor 1
covers high range (1 Torr).
Switchover between sensors is done automatically according to «Pressure control operation with 2 sensors».
0-10V
High range
sensor
Low range
sensor
0-10V
SENSOR 1
100 mTorr
1 Torr
0 mTorr
SENSOR 2
PRESSURE
0 – 1’000'000