SOR Multi Point RF Level Switch - Manual (Page 4)

4/36 Form 677 (05.13) ©SOR Inc.
Electrical Supply / Control Cable Connection
Connect the shield to GND on the set point adjustment board and on the probe adjustment
board.
Connect the +12 terminal on the set point adjustment board to the +12 terminal on the
probe adjustment board.
Connect the SIG terminal on the set point adjustment board to the SIG terminal on the
probe adjustment board. (See
detail.)
3/4” NPT(F) Conduit Connections
1” NPT(F)
Conduit
Connection
Model 66 J
Wrench Flats
Hex
No obstructions
Probe shaft
must not
short
to tank
Probe shaft
must not
short
to tank
Process
Connection
Top of Vessel
Process
Connection
Model 66 R,
66 W
Electrical power must be
disconnected from explo-
sion proof models before the
cover is removed. Failure to
do so could result in severe
personal injury or substantial
property damage.
Ensure that wiring conforms
to all applicable local and
national electrical codes and
install unit(s) according to
relevant national and local
safety codes.
Model 66
J
Install conduit and fish cables to carry supply and control conductors into the integral
housing.
Models 66
W, 66R
Install conduit and fish cables to carry supply and control conductors into the separate
electronics housing.
All Models
A three-position terminal strip located on the power supply/relay output board provides
connections for Line Power and Ground. Terminal positions are labeled on the circuit board
as shown in the
detail.