5OM-1348-002_w - 第93页
4-4 0606-001 电路符号图 INPUT LOAD K K K K K Name Symbols Graphical Symbols Remarks Relay Coil Contact (a) Contact (b) Contact (c) Coil (ON Delay) Contact a (Make Point) Timer Contact b (Break Point) Coil (OFF Delay) Contact …
4-30606-001
电路符号图
M
M
M
M
M
T
Q
Q
F
(a)
(b)
Air-Break Switch
Fuse
Name
Symbols
Graphical Symbols Remarks
Breaker
Circuit Breaker
Circuit Protector
Transformer
Three-Phase
Alternating Current
Motor
Single-Phase
Alternating Current
Motor Cooling Fan
Stepping Motor
Servo Motor
DC Motor
Transformers with iron
cores are used in the
machine and are expressed
as shown in the left figure.
The left figure shows an encoder.
4-40606-001
电路符号图
INPUT
LOAD
K
K
K
K
K
Name
Symbols
Graphical Symbols Remarks
Relay
Coil
Contact (a)
Contact (b)
Contact (c)
Coil (ON Delay)
Contact a
(Make Point)
Timer
Contact b
(Break Point)
Coil
(OFF Delay)
Contact a
(Make Point)
Contact b
(Break Point)
Coil
Main Contact (a)
Sub Contact (a)
Main Contact (b)
Sub Contact (b)
A relay may be drawn using both
"INPUT" and "LOAD".
Solid-State Relay
Electromagnetic
Contactor
Timing Relay
(ON Delay)
Timing Relay
(OFF Delay)
4-50606-001
电路符号图
(a)
(b)
S
S
S
S
S
S
S
S
Name
Symbols
Graphical Symbols Remarks
Cycle Counter
Emergency Stop
Button
Key Switch
Toggle Switch
Pushbutton Switch
(Alternate)
Safety Door Switch
Limit Switch
Selector Switch
Pushbutton Switch
(Momentary)
Pressure Switch
Contact a
Contact a
Contact b
Contact a
Contact b
Contact b
The theory of contact combination
is described near the graphical
symbol.
Contact a
Contact b
Contact a
Contact b