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4-8
4-8
2. 2.5 5
R R el elay
ay C C on
(1) For the r
(1)
For the relay con
elay contacto
which its coil is represented is provided so that you can
which its coil is represented is provided so that you can
find its coil easily. However, when the coil is
find its coil easily. However, when the coil is
represented in the same sheet, the sheet symbol is
represented in the same sheet, the sheet symbol is
omitted.
omitted.
(2) For th
(2)
For the rela
e relay coil (c
which its contact is represented is provided so that you
which its contact is represented is provided so that you
can find the location of contacts. However, when the
can find the location of contacts. However, when the
contact is represented in the same sheet, the sheet
contact is represented in the same sheet, the sheet
symbol is omitted.
symbol is omitted.
2 2 . . 6 6
C C o o n n n n e e c c t t o o r r s s
(1) The connector
(1)
The connectors are represe
(2) The same connec
(2)
The same connector number i
connector) as a pair.
connector) as a pair.
F F L L W W
F F u u s s i i b b l l e e l l i i n n k k
R R Y Y
onta tact ctor or an
and d C C oi oil l
tactor (cont
r (contactor
actor), the shee
), the sheet symbol in
y coil (conta
ontactor c
ctor coil), t
oil), the shee
he sheet symb
s are represented by the conn
nted by the connector numbe
tor number is allocated to a plug co
s allocated to a plug connector (male
R R e e l l a a y y
CHAPTER 4 HOW TO READ CIRCUIT DIAGRAMS
CHAPTER 4 HOW TO READ CIRCUIT DIAGRAMS
t symbol in
1. 1. Equ
Equipm
ipment name
ent name
2. 2. Equi
Equipment
pment numbe
number r
t symbol in
ol in
1. 1. Equ
Equipm
ipment name
ent name
2. 2. Equi
Equipment
pment numbe
number r
ector number for identification. Th
r for identification. The connector nu
nnector (male connector) and i
connector) and its mating socket c
C C
C C a a p p a a c c i i t t o o r r
D D
D D i i o o d d e e
1
1
2
2
Y
Y
A
A
L
L
E
E
R
R
P
P
M
M
A
A
L
L
3
3
3. 3. Sheet sy
Sheet symbol wh
mbol where coi
represented
represented
2
2
1
1
Y
Y
A
A
L
L
E
E
R
R
P
P
M
M
A
A
L
L
3
3
3. 3. Sheet s
Sheet symbol w
ymbol where the
here the
contact is represented
contact is represented
e connector number is enclose
mber is enclosed with a box.
ts mating socket connector (fem
onnector (female
501957
501957
ere coil is
l is
501958
501958
d with a box.
ale
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