Omron H3DS Manual page 18

Connections
■ Block Diagram
AC (DC)
input
■ I/O Function
Inputs
Outputs Control output
■ Terminal Arrangement
Note: 1. If voltage is applied to terminal B1, or if terminals A1 and B1 are shorted, the operating mode is switched to flicker-ON start mode. If these
terminals are disconnected, the mode switches to flicker-OFF start mode.
2. DC supply voltage does not require the designation of polarity.
B-26
Solid-state Twin Timer
ON OFF
indicator indicator
(Orange) (Green)
Indicator
circuit
Power
supply
circuit
Flicker-ON start operation begins when inputs are turned ON.
Outputs are turned ON/OFF according to the time set by the ON-and OFF-time setting dial.
H3DS-FLC
A1 15 B1
15
18 16
18 16 A2
H3DS-F
ON/OFF start
selector
ROM RAM Clock
One-chip microcomputer
H3DS-FL
A1 15 B1
L
15
18 16
18 16 A2
(See note 2.)
Time scale
selector
Output
circuit