2OM-1088-002.pdf - 第454页
Name Symbol Graphic Symbols Remarks Combination of X* X* : Connectors and Power Outlets Plug and Jack for External Connections Connector XCN* XCN* : Connectors for Internal Connec- Nylon Connector XNC* tions XNC* : Nylon…
4. Electrical Circuit Diagrams
4.1 Electrical and Electronic Symbols
Name Symbol Graphic Symbols Remarks
Grounding
(General)
Protective Ground
Connection
(Chassis)
Cable W* “W*” is used only for signal wires
in block diagrams.
Optical Fiber
Cable
Connection The cables are connected electrically.
No Connection The cables are not connected electrically.
Twisted Pair Signal wires are twisted.
Shielded Shielded Wires
(Shielded Wires)
Equipment or
Device
Terminal
Plug X*
Jack Socket X*
0207-001 Chapter 3 3-39 Tg0699-PM-D2
4. Electrical Circuit Diagrams
Name Symbol Graphic Symbols Remarks
Combination of X* X* : Connectors and Power Outlets
Plug and Jack for External Connections
Connector XCN* XCN*: Connectors for Internal Connec-
Nylon Connector XNC* tions
XNC*: Nylon Connectors for Relay
The left figure shows a
connector with multipoles.
“n” is the number of poles
Electrostatic C*
Capacity or
Capacitor
Capacitor
(Polarity)
Resistance or R*
Resistor
Variable Resistor RVR*
Voltage-Depen-
dent Resistor or
Varister
Surge Killer
Diode HA* “D*” is sometimes used for diodes in a
unit P.C.B.
Light Emitting The graphical symbol (light emitting
Diode (General) diode) is used to represent the light
Indicator Lamp HD* emitting diodes in illuminating switches
and indicator lamps
Indicator Lamp H* This represents a general electric lamp
HPL* used in an indicator lamp, an indicator,
Recognition EL* etc.
Lighting
Lighting Device E*
Buzzer HA*
Fuse F*
0207-001 Chapter 3 3-40
Tg0699-PM-D2
4.1 Electrical and Electronic Symbols
0207-001 Chapter 3 3-41 Tg0699-PM-D2
4.1 Electrical and Electronic Symbols
Name Symbol Graphic Symbols Remarks
Air-Break Switch
Breaker Q*
Circuit Breaker Q*
Circuit Protector
Transformer T* Transformers with iron
cores are used in the
machine and are expressed
as shown in the left figure.
Three-Phase M*
Alternating
Current Motor
Single-Phase M*
Alternating
Current Motor
Cooling Fan MFAN*
Stepping Motor MPM*
Servomotor MSVM* The left figure shows an en-
coder.
DC Motor