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S S Y Y M M B B O O L L
CHAPTER 4 HOW TO READ CIRCUIT DIAGRAMS
CHAPTER 4 HOW TO READ CIRCUIT DIAGRAMS
Special Symbols
Special Symbols
The following symbols are used
The following
general symbols is difficult.
general symbols is difficult.
This
This diagram
diagram shows
connected when the switch position is placed in N position.
connected when the switch position is placed in
2 2 . . 2 2
S S h h e e e e t S
A sheet symbol is provided in each circuit diagram sheet so that the
A sheet symbol is
symbol consists of "SH" and two digit numbers, for example, "SH-01" or "SH-02."
symbol consists of "SH" and two digit numbers, for example, "SH-01" or "SH-02."
N N A A M M E E
LAMP
LAMP
BUZZER
BUZZER
symbols are used when the r
when the representatio
epresentation by
shows that
that No.
No. 1 1 and
and No.
No. 3 3 terminals
t Sy y m m b b o o l l
provided in each circuit diagram sheet so that the relationship between diagrams can be clarified. The sheet
S S Y Y M M B B O O L L
n by
terminals are
are
N position.
1 1 . S . Sw w i i t t c c h h p p o o s s i i t t i i o o n n
relationship between diagrams can be clarified. The sheet
N N A A M M E E
HORN
HORN
2
2
F F
1
1
N N
R R
2 2 . T . Te e r r m m i i n n a a l l
4-5
4-5
501953
501953
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