INSTALLATION  Series 
 
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Edition 2018-08-20  605262EE
 
4.5.3  Power and sensor connection (+24 VDC sensors) 
[612 . . - . . G . - . . . . / 612 . . - . . H . - . . . . versions recommended] 
 
4.5.3.1  Sensor power wiring via controller 
 
 
 
 
• 
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  
(+24V / 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.