H3CR-F
H3CR-F
40
Nomenclature
ON indicator (orange)
Lit when the output is ON.
OFF indicator (green)
Litwhen the output isOFF.
Scale range display
windows
Time range selector (select one
from 1.2, 3, 12, and 30)
For both ON-time and OFF-time.
OFF-time unit display window
OFF-time unit selector (select one from sec.
10 s, min., and hrs, or from 10 s, 10 min, hrs,
and10h)
ON-time setting knob (with orange pointer)
For ON-time setting
OFF-timesettingknob(with greenpointer)
For OFF-time setting
ON-time unit display window
ON-time unit selector (select one
fromsec.10 s, min., andhrs, or from
10 s, 10 min, hrs, and 10 h)
Operation
Block Diagrams
ON indicator OFF indicator
Indicator
circuit
Power supply
circuit
One-chip microcomputer
Zero setting
detection
circuit
Time range/unit
selectors
ROM RAM Clock
AC (DC) input
Output
circuit
I/O Functions
Inputs ---
Outputs Control output Outputs are turned ON/OFF according to the time set by the ON- and OFF-time setting knob.
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