Programming language, User's manual – Toshiba T2N User Manual
Page 240

User's manual
227
5. Programming Language
Ladder Diagram Instructions (Sequence Instructions)
↑
↓
(A)
(A)
(A)
(A)
(A)
(A)
(A)
I
(A)
P
N
(A)
P
(A)
N
JCS
JCR
END
Group
FUN
No.
Name
Representation
Summary
Number of
steps
required
Execution
time
required
(
µ
s)
Remarks
Sequence
instructions
NO contact
NO contact of device (A) (contact normally open)
1
0.33
NC contact
NC contact of device (A) (contact normally closed
open)
1
0.33
Transitional contact (rising)
Switches output ON only when input in the previous
scan is OFF and the input for this scan is ON.
1
0.33
Transitional contact
(falling)
Switches output ON only when input in the previous
scan is ON and input in this scan is OFF.
1
0.33
Coil
Switches device (A) on when input is ON.
1
0.44
Forced coil
Retains state of device (A) when force is applied,
regardless of whether input is ON or OFF.
1
0.33
Inverter
Inverts the input state
1
0.22
Invert coil
Stores [data] in device (A), in reverse state to input.
1
0.44
Positive
Transition-sensing contact
Inverts the input state and stores it in device (A).
1
0.54
Negative Transition-
sensing contact
Turns output ON for 1 scan only, when input is ON
and device (A) has been changed from ON to OFF.
1
0.54
Positive
Transition-sensing coil
Turns device (A) ON for 1 scan only, when input has
been changed from OFF to ON.
1
0.54
Negative Transition-
sensing coil
Turns device (A) ON for 1 scan only, when input has
been changed from ON to OFF.
1
0.54
Jump control set
Carries out high-speed skipping on instructions
between JCS and JCR when JCS input is ON.
1
0.22
Jump control reset
1
0.22
End
Indicates end of main program and sub-program.
1
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