Series 642 INSTALLATION
742280ED Edition 2017-11-24 25/
4.5.3 Power and sensor connection (+24 VDC sensors)
[642 . . - . . G . - . . . . / 642 . . - . . 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.
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