6F3B0250
Basic Hardware and Function 137
7. Instructions

Transitional contact (Rising edge)

Expression
Input Output
Function
When the input at last scan is OFF and t he input at this scan is ON, the output is turned ON.
This instr uct ion is used to detect the input changing f r om OFF to ON.
Execution condition
Input Operation Output
OFF Re
g
ardless 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 req u ir ed.
Example
Coil Y022 comes ON f or 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 num ber in a pr ogram is 512. ( and t ot al)
· In case of T1S, the maximum usable number in a program is 2048.
(P N (P) (N) total)
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