Common circuit characters and symbols
|
Symbol |
Meaning in Circuit |
|
A |
Ampere (Current) |
|
A |
Analog Signal |
|
AC |
Alternating Current |
|
ACC |
Accelerate |
|
ADD |
Add (Additional Function or Setting) |
|
ADJ |
Adjustable |
|
ASY |
Asynchronous |
|
AUT |
Automatic |
|
AUX |
Auxiliary |
|
B |
Brake (In a circuit, typically for motor control) |
|
BK |
Black (Wire Color) |
|
BL |
Blue (Wire Color) |
|
BW |
Backward |
|
C |
Control |
|
CCW |
Counterclockwise Rotation |
|
CW |
Clockwise Rotation |
|
D |
Delay |
|
D |
Differential |
|
D |
Digital Signal |
|
DC |
Direct Current or Decrease |
|
EM |
Emergency |
|
F |
Fast (Speed or Frequency) |
|
FB |
Feedback |
|
FW |
Forward |
|
GN |
Green (Wire Color) |
|
H |
High (Voltage or State) |
|
IN |
Input (Signal or Connection) |
|
L |
Low (Voltage or State) |
|
L |
Left (Directional Control) |
|
M |
Middle or Manual (Control Mode) |
|
MAN |
Manual (Operation) |
|
N |
Neutral (Wire or Signal) |
|
OUT |
Output (Signal or Connection) |
|
P |
Pressure (Sensor or Signal) |
|
R |
Right (Directional Control) |
|
R |
Reverse |
|
R |
Record (Data or State) |
|
RD |
Red (Wire Color) |
|
RES |
Reserve or Reset |
|
RST |
Reset (Return to Default State) |
|
RUN |
Run (Operation Active) |
|
S |
Signal (Generic or Specific) |
|
SAT |
Saturate or Saturated |
|
SET |
Set (Configuration or Value) |
|
ST |
Start |
|
STE |
Step (Increment or Mode) |
|
STP |
Stop |
|
SYN |
Synchronous |
|
V |
Voltage or Vacuum |
|
WH |
White (Wire Color) |
|
YE |
Yellow (Wire Color) |
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