H3DK Datasheet, PDF (13/30 Pages) Omron Electronics LLC – Solid-state Timers

Connections
■ Block Diagrams
H3DK-F
AC (DC)
input
ON OFF
indicator indicator
Indicator
circuit
Power supply
circuit
ON/OFF time setting
detection circuit
ON/OFF start switch
ROM
RAM
Clock
One-chip microcomputer
Time
specification
switches
Output circuit
H3DK-F
■ Terminal Arrangement
H3DK-F
A1 15
R1
15
18 16
18 16 A2
(DIN notation)
15
A1
A2
16 18
Note: The power supply terminals do not have po-
larity.
Nomenclature
H3DK-F
Front View
ON time range switch
ON output
indicator (orange)
OFF output
indicator (green)
OFF time range switch
ON/OFF start switch
(Default setting is for
an OFF start.)
User label
attachment location
ON time setting dial
(Sets the ON time.)
OFF time setting dial
(Sets the OFF time.)
Bottom View
Terminal Block
(See notes 1 and 2.)
Note 1. Use solid wire (2.5 mm² max.) or fer-
rules with insulative sleeves to connect
to the terminals.
To maintain the withstand voltage after
connecting the terminals, insert no
more than 8 mm of exposed conductor
into the terminal.
Using Solid Wire
(2.5 mm² Max.)
Using Ferrule with
Insulative Sleeve
8 mm max.
8 mm max.
Recommended Ferrules
Phoenix Contact
• AI@@@ Series
• AI-TWIN@@@ Series
Note 2. Screw Tightening Torque
Recommended torque: 0.49 N·m
Maximum torque: 0.98 N·m
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