VAT 651 Series - ±15 VDC Sensor Power Connection (No SPS)

INSTALLATION Series
651
28/99 Edition 2014-07-10 605451EC
4.4.4 Power and sensor connection (±
±±
±15 VDC sensors) without opt. SPS module
[651 . . - . . G . - . . . . / 651 . . - . . H . - . . . . versions only]
4.4.4.1 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 and GND / -15V / +15V) at DB–9 male power
connector and Sensors (+15V / -15V / 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.