Alkon Catalog

OMNI 375 SERIES VALVES
Adjustable Electronic Micro Timer - .1 to 100 seconds
Timer styles available: On - delay
Off - delay
Interval
Cycle - timer
FEATURES: General Description
• Wide range of operating voltages, 6-24 VDC,
12, 24 & 120 VAC
• Timing circuit has typical temperature stability
of .005% per deg. C at 25 deg. C.
• Wide range of adjustability, .1 to 100 seconds
in various versions. For longer timing functions
consult factory.
• Indicator lights available on all units.
• Solid state timer guarantees 500 KHz timing
operation, no moving parts to wear out giving
millions of trouble-free cycles.
• Operating temperature range, -20 o to +50 o C
• Transient protection.
• High impact fiber-reinforced poly-amide nylon
enclosure. Immersion resistant adjusting screws
indicate adjustment extremes with a “tick” and
can not be over adjusted. The recessed adjusting
screws minimize tampering and can be epoxied
over after final adjustment is made.
• 15 turn adjustability for time selection.
• All timers are available with electrical override.
Time Range: A = .1 - 5 seconds
B = .5 - 20 seconds
C = .5 - 40 seconds
ON DELAY: 50 Operator
Upon application of power to the
input terminals, the time delay begins.
At the end of the preset time delay
the coil becomes energized. Reset
occurs when power is removed from
the input terminals.
POWER
COIL
ON
OFF
ON
OFF
53
OFF DELAY: 51 Operator
Power is applied to the timer at all
times. Upon closure of the normally
open trigger switch, coil becomes
energized and timing begins. At the
end of the preset time delay, power
is removed from the coil. Reset occurs
when trigger switch is closed.
INTERVAL: 52 Operator
Upon application of power, the coil is
immediately energized and timing begins.
At the end of the selected time, power is
removed from the coil. Reset occurs when
power is removed from the input terminals.
CYCLE TIMER: 53 Operator
Upon application of power to the input
terminals, OFF cycle is initiated. At the end
of the preset off time, coil is energized
and ON cycle begins. At the end of the preset
on time, power is removed and a new cycle
begins. Cycling continues until power is
removed from input terminals.
ON
POWER
OFF
ON
SWITCH
OFF
COIL
ON
OFF
ON
POWER
OFF
COIL
ON
OFF
ON
POWER
OFF
COIL
ON
OFF