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
14/94
2.6.2 Sensor supply concepts
This valve offers 3 alternative concepts to supply the sensor(s) with power. This depends on the sensor type and valve
version that is used. This valve is available with an optional sensor power supply module (SPS) that converts ±15 VDC
from the 24 VDC.
Concepts:
• External + 24 VDC supplied to POWER connector is feed through to SENSOR connector to supply 24 VDC
sensors. Refer to chapter «2.6.3 Power and sensor connection (+24 VDC sensors)» for schematic and correct
wiring.
• External ±15 VDC supplied to POWER connector is feed through to SENSOR connector to supply ±15 VDC
sensors. Refer to chapter «2.6.4 Power and sensor connection (±15 VDC sensors) without
optional SPS module»
for schematic and correct wiring.
• External + 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 «2.6.5 Power and sensor
connection (±15 VDC sensors) with
optional SPS module» for schematic and correct wiring.
Valve versions:
• 650 . . - . . T . - . . . . / 650 . . - . . U . - . . . . SPS module not included
• 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.
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