Installation, Operating & Maintenance Instructions
Series 650 DN 350 (I.D. 14”), 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
286241EA
2010-10-11
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2.6.2 Sensor supply concepts
This valve has a built in sensor power supply (SPS). It supplies
±
15 VDC. The sensor can be supplied by two different
concepts (see below).
Concepts:
•
Ex 24 VDC supplied to POWER connector is feed through to SENSOR connector to supply 24 VDC
sensors. Refer to chapter «Power and sensor connection (+24 VDC sensors)» for schematic and correct wiring.
•
Ex 24 VDC supplied to POWER connector is converted into
±
15 VDC by the valve internal SPS and
supplied to SENSOR connector to supply
±
15 VDC sensors. Refer to chapter «Power and sensor connection
(
±
15 VDC sensors) with optional SPS module» for schematic and correct wiring.
Valve versions:
•
650 . . - . . V . - . . . . / 650 . . - . . W . - . . . .
SPS module included
•
650 . . - . . . S - . . . .
slave valve, no sensor connection
Note: The SPS module can be retrofitted. Refer to chapter «Retrofit / replacement procedure» for instruction.