Omron H3DE Manual page 22

Connections
■ Block Diagram
AC (DC) input
Power
supply
circuit
■ I/O Functions
Inputs
Outputs Control output
■ Terminal Arrangement
Note: DC supply voltage does not require the designation of polarity.
B-72
Solid-state Star-delta Timer
Star Star-delta
operation transfer
time scale time
selector selection
Star opera- Star opera- Star-delta
tion time tion time transfer
oscillation counting time oscilla-
circuit circuit tion circuit
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Star output is turned OFF when the dial set value is reached and delta output is ON after
the preset transfer time elapses
15
18 16 28
28 26
(DIN notation)
A1
A2
H3DE-G
Star-delta
transfer
time
Output
counting
circuit
circuit
Indicator
circuit
Star operation
indicator
25
25
26
15 25
16 18
26 28
Star operation
Delta operation
Delta operation
indicator