Series 642
INSTALLATION
813316EB
Edition 2017-11-24
25/107
4.5.3
Power and sensor connection (+24 VDC sensors)
[642 . . - . . G . - . . . . / 642 . . - . . H . - . . . . versions recommended]
4.5.3.1
+24 VDC power to 24 VDC sensors via controller
•
VAT fuse recommendation: (a) 5AF, / (b) Safety switch min. 3A
•
Use shielded sensor cable(s). Keep cable as short as possible, but locate it away
from noise sources.
•
Connect Power supply (+24 / GND) at power 5 pol. male connector and Sensors
(+24V / 0V / + / -) at DB–15 female sensor connector exactly as shown in the
drawing above!
Pins 2 and 3 must be
bridged for operation.
An optional switch
would allow for motor
interlock to prevent
valve from moving.