IDEC SmartAXIS Touch FT1A Series

SmartAXIS Touch User's Manual 3-69
4 Special Functions
3
Project
Ladder program
M8120 (initialize pulse) is a special internal relay that turns on for one scan when the Touch runs.
M8031
M8120
M8120
M8031
M8032
M0000
M0000
M0000
1st scan
Store 1,000 in preset value 1 (D0004, D0005)
3rd scan
Detect the rising edge of M0000, turn on gate input (M8031)
Start high-speed counter counting in the END processing
after the 3rd scan is executed
Store the reset value in D8054, D8055
Store 1 in the next preset value number (D0002)
Turn off gate input (M8031)
Turn off M0000
D1-
D0002
REPS1-
1
MOV(W)
D1-
D8054
REPS1-
0
MOV(D)
D1-
D0004
REPS1-
1000
MOV(D)
2nd scan
Detect the falling edge of the initialize pulse, M0000 and M8032 turn on
Initialize the current value with the reset value in the END processing
after the 2nd scan is executed
M8032 (reset input) is a special internal relay that stores the preset
value (D8054, D8055) in the current value (D8050, D8051).