Omron H3DS Manual page 26

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-34
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
H3DS-GLC
A1 17 27
17 27
18 28
18 28 A2
H3DS-G
Star-delta
transfer
time
Output
counting
circuit
circuit
Indicator
circuit
Star operation
indicator
H3DS-GL
A1 17 27
17 27
18 28
18 28 A2
(see note)
Star operation
Delta operation
Delta operation
indicator