Series 612  INSTALLATION 
 
605262EE  Edition 2018-08-20  29/
 
4.5.4.2  Sensor power wiring external 
 
 
 
 
• 
Use shielded sensor cable(s). Keep cable as short as possible, but locate it away 
from noise sources. 
• 
Connect Power supply (+24 / GND) at DB–9 male power connector and Sensors 
(0V / + / -) at DB–15 female sensor connector exactly as shown in the drawing 
above! 
• 
Connector: Use only screws with 4–40 UNC 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.