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2018.02
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In this example, JSL-
72 timer’s output relay (pin 7 and 8, normally open) is
tapped in parallel to the power switch of a coffee grinder. So the grinder will be
energized either when the power switch is closed or when the relay contacts on
the timer are closed. User can run the grinder by pressing the power switch on
the grinder. Or they can control the grinder by pressing T1, T2, or Manual
switch connected to the timer, which will close then close its relays contacts on
pin 7 and 8.
Manual
6
7
8
9
10
1
2
3
4
5
T2
T1
Coffee
Grinder
120VAC
L
N
120VAC
L
N
Figure 6. JSL-
72 timer’s output relay is tapped in parallel to the power switch
of a coffee grinder.
6.4 Wire JSL-72 timer
’s output
in series
to the grinder’s power switch.
In this example, JSL-
72 timer’s output relay (pin 7 and 8, normally open) is
tapped in serial to the power switch of a coffee grinder. So the grinder will be
energized when both the power switch and the relay contacts on the timer are
closed. In this case, user cannot manual control the grinder by pressing the
power switch of the grinder. They must control the grinder from the timer by
pressing T1, T2, or Manual switch connected to the timer, and the power
switch on the grinder should stay closed.
Manual
6
7
8
9
10
1
2
3
4
5
T2
T1
Coffee
Grinder
120VAC
L
N
120VAC
L
N
Figure 6. JSL-
72 timer’s output relay is tapped in serial to the power switch of
a coffee grinder.
(END)
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