SOR Multi Point RF Level Switch - Manual (Page 5)

Form 677 (05.13) ©SOR Inc. 5/36
This product must be installed
with an explosion proof breather
vent per Agency requirements
and the national Electric Code-
Article 501, Section F,
paragraph 3.
Power supply/relay
output board
Power supply
terminal strip
location
Power supply
terminal strip detail
+ / L1
- / L2 Neutral
GND
Up to 4000’
22/2 twisted
pair
shielded
Set point adjustment board
in electronics housing
Probe adjustment board
in probe housing
Terminal Connection Detail
GND SIG +12
Shield
GND
SIG +12
Fifth Place
Designator
or 6 6 
Power Supply
Requirement
Maximum Current
Draw
Terminal +/L1
Connection
Terminal +/L2
Neutral
Connection
5 12 VDC +10% 245 ma 12 VDC+ 12 VDC Gnd
6 24 VDC +10% 243 ma 24 VDC+ 24 VDC Gnd
7 120 VAC +10% 74 ma Line Neutral
8 240 VAC +10% 36 ma Line 1 Line 2
Make sure that field power
matches the instrument’s power
requirements. The fifth place
designator in the nameplate
model number specifies power
requirement. (See
) Make
connections to +/L1 and —/L2/
Neutral terminals according to
.
The housing and the PC Board
must be connected to ground.
Ground (earth) screws are
provided on the three-position
PC board terminal strip and on
the housing floor. Control Cable
connection is detailed later in
these instructions, after probe
set up and set point adjust-
ment.