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
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3.11.1 Functions and Wiring
Logic interface allows for remote operation by means of digital and analog signals. Digital inputs may be operated either
by switches or by voltage sources.
a) Configuration with switches for digital inputs:
Note: Use a shielded cable for analog inputs. Do not connect other pins than indicated above!
Connector: Use only screws with 4-40UNC thread for fastening the DB-25 connector!