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Time delay adjustments, Output relay wiring – SOR Multi Point RF Level Switch User Manual

Page 15

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Form 677 (05.13) ©SOR Inc.

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Time Delay Adjustments

Set point 1 may be equipped with time delay adjustments. Both on delay and off delay are
one turn pots.
On Delay: Length of time that set point must be satisfied before the output relay reacts.
Off Delay: Length of time that process must be below set point before the output relay reacts.
Adjustment pot fully CCW = 0 second delay
Adjustment pot fully CW = 30 second delay (approximate)

Switch

Position

Set Point

Status

Relay

Coil

Relay Continuity

Failsafe

LO/HI

OFF

ON

ON

OFF

Set

Point

NC1 C1 NO1 NO2 C2 NC2

NC1 C1 NO1 NO2 C2 NC2

NC1 C1 NO1 NO2 C2 NC2

NC1 C1 NO1 NO2 C2 NC2

Set

Point

Set

Point

Set

Point

Failsafe

LO/HI

Output Relay Wiring

Before connecting the output relay to external devices, determine which failsafe mode is
best suited for the sensing level. Refer to the continuity chart to the right when connecting
to the relay terminal strip.

LO mode: When the set point is satisfied, the relay turns on. When process level falls below
the set point, the relay turns off and remains off until the set pint is once again satisfied.

HI mode: When the set point is satisfied, the relay turns off. When process level falls below
the set point, the relay turns on and remains on until set point is once again satisfied.