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 
20/94 
 
 
2.6.6  Power connection for Slave valve only 
  [650 . . - . . . S - . . . .  or valves configured as slave] 
 
 
 
Note: 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.