H3DEH3DE
J BASIC OPERATION
Selector Setting
The selectors can be turned clockwise and counterclockwise to
select the desired time unit, time scale, or operating mode.
Each selector has a snap mechanism that secures the selector at
a given position. Set the selector at a position at which it is
secured. Do not set it midway between two securing positions or
a malfunction could result from improper setting.
A
Operating mode s elector
Groove for
screwdriver
Operating mode
displ ay wi ndow
Operating Mode Selection
The H3DE-M/-S can be set to any one of the operating modes A
to J. Turn the operating mode selector with a screwdriver until the
desired operating mode (A, B, B2, C, D, E, G, or J for the
H3DE-M and A, B2, E, or J for the H3DE-S) appears in the
operating mode display window located below the selector.
Time Unit and Time Scale Selection
The desired time unit (sec, min, hrs, or 10h) can be displayed in
the time unit display window above the time setting dial by
turning the time unit selector located at the upper right corner of
the front panel. The time scale (0.1 or 1) is selected with the time
scale selector at the upper left corner of the front panel. It
appears in the scale range display window above the selector .
Scale range
selector
Scale range di splay
window
Time unit selector
Time unit display window
J TIMING CHART
Note: 1. The minimum power reset time is 0.1 s and the minimum signal input time is 0.05 s.
2. The letter “t” in the timing charts stands for the set time and “t--a” means that the period is less than the time set.
Operating
mode
Timing chart
A: ON-delay
tt
Power (A
1
and A
2
)
Output relay: NC
15 and 16
(25 and 26)
Start (B
1
and A
2
)
(See Note.)
Output relay: NO
(output indicator)
15 and 18
(25 and 28)
t--a
Power indicator
Power
Start
Output
t
Basic operation
* For power-on operation, impose voltage to the
Start input. The Timer starts operating at the
moment the power is turned on.
** Start input is invalid while the Timer is in opera-
tion.
*
**
(This table continues on the next page.)
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