GXH—1.pdf - 第94页
4-1 电路图符号 电路图符号 电路图符号 电路图符号 电路图符号 041 1-002 (a) (b) (c) W Name Symbols Graphical Symbols Remarks Grounding (General) Protective Ground Connection (Chassis) Cable "W" is used only for signal wires in block diagr…
0404-001 4-B
4-1
电路图符号电路图符号
电路图符号电路图符号
电路图符号
041 1-002
(a)
(b)
(c)
W
Name
Symbols
Graphical Symbols Remarks
Grounding (General)
Protective Ground
Connection (Chassis)
Cable
"W" is used only for signal wires in block
diagrams.
Optical Fiber Cable
Connection
No Connection
Twisted Pair Signal wires are twisted.
Shielded WiresShielding
Equipment or Device
The cables are not connected electrically.
The cables are connected electrically.
电路图符号电路图符号
电路图符号电路图符号
电路图符号
4-2
电路图符号电路图符号
电路图符号电路图符号
电路图符号
041 1-002
X
C
R
R
R
Z
Z
V
H
H
E
E
H
n
X
X
X
Name
Symbols
Graphical Symbols Remarks
Terminal
Plug
Jack Socket
Variable Resistor
Resistance or
Resistor
Capacitor(Polarity)
Electrostatic Capacity
or Capacitor
Nylon Connector
Plug, Jack Socket
Connector
(Combination of
Plug and Jack)
The left figure shows a
connector with multi-
poles. "n" is the
number of poles.
Double-
Pole
Triple-
Pole
Buzzer
Lighting Device
Recognition Lighting
Indicator Lamp
Indicator Lamp
Light Emitting Diode
(General)
Diode
Surge Killer
Voltage-Dependent
Resistor
The graphical symbol (light emitting
diode) is used to represent the light
emitting diodes in illuminating switches
and indicator lamps.
This represents a general electric lamp
used in an indicator lamp, an indicator,
etc.
Varistor
Polar Capacitor