Instructions transitional contact (rising edge) – Toshiba 6F3B0253 User Manual
Page 121
6F3B0253
Basic Hardware and Function
119
7. Instructions
Transitional contact (Rising edge)
Expression
Input Output
Function
When the input at last scan is OFF and the input at this scan is ON, the output is turned ON.
This instruction is used to detect the input changing from OFF to ON.
Execution condition
Input
Operation
Output
OFF
Regardless of the input state at last scan
OFF
ON
When the input state at last scan is OFF
ON
When the input state at last scan is ON
OFF
Operand
No operand is required.
Example
Coil Y022 comes ON for only 1 scan when the device X000 comes ON.
X000
Y022
1 scan time
1 scan time
Note
•
In case of T1, the maximum usable number in a program is 512. ( and total)
•
In case of T1S, the maximum usable number in a program is 2048.
(
P
N
(P)
(N)
total)