Omron H3DE Manual page 16

Connections
■ Block Diagram
AC (DC)
input
■ I/O Function
Inputs
Outputs Control output
■ Terminal Arrangement
Note: DC supply voltage does not require the designation of polarity.
B-66
Solid-state Twin Timer
ON OFF
indicator indicator
Indicator
circuit
Power
supply
circuit
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Outputs are turned ON/OFF according to the time set by the ON-and OFF-time setting dial.
H3DE-F
ON/OFF start
selector
ROM RAM Clock
One-chip microcomputer
(DIN notation)
15
A1
A2
16 18
Time unit
selector
Output
circuit