Omron H3DE Manual page 28

Connections
■ Block Diagram
AC (DC) input
■ I/O Functions
Inputs
Outputs Control output
■ Terminal Arrangement
Note: DC supply voltage does not require the designation of polarity.
B-78
Solid-state Power OFF-delay Timer
Indicator
circuit
Power supply Oscillation
circuit circuit
Power failure
detection circuit
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The Timer operates instantaneously when the Timer is turned ON. The Timer is in counting operation
after the Timer is turned OFF and the output of the Timer is turned OFF when the preset time elapses.
(DIN notation)
H3DE-H
Time scale
selector
Counting
circuit
15
A1
A2
16 18
Output
circuit