Installation, Operating & Maintenance Instructions
Series 651 DN 320-400 (I.D. 12“ - 16”), Logic
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
267736ED
2008-02-26
11/53
2.6.2 Power and sensor connection (+24 VDC sensors)
[651 . . - . . G . - . . . . / 651 . . - . . H . - . . . . versions recommended]
Note:
•
Use shielded sensor cable(s). Keep cable as short as possible, but locate it away from noise sources.
•
Connect
the
±
24 VDC sensors at DB–15 female sensor connector exactly as shown in the drawing above.
Do not connect other pins, that may damage power supply or controller!
•
Connector: Use only screws with 4-40UNC thread for fastening the connectors!
Pins 4 and 8 must be
bridged for operation!
An optional switch would allow
for motor interlock to prevent
valve from moving.
Low range sensor may be connected
to sensor 1 or sensor 2 input.
Do configuration accordingly.