5. SEQUENCE INSTRUCTIONS
5
−
41
MELSEC-A
2) For printing instuction lists
•
Page is changed after NOPLF is printed.
3) For the GPP printer output, refer to the Operating Manual for peripheral
devices.
Program Examples NOP
(1) Program which stops the PC when X8 turns on.
0
X008
Y012
Y097 Y096
Changed to NOP.
LD
AND
ANI
OUT
END
0
1
2
3
4
X008
Y097
Y096
Y012
0
X008
Y012
Y096
LD
NOP
ANI
OUT
END
0
1
2
3
4
X008
Y096
Y012
Before change
After change
Coding
Coding
(2) Short of contact (LD, LDI): If LD or LDI is changed to NOP, the circuit changes
completely. Therefore, caution should be exercised.
Before change
After change
0
X000
Y016
2
X056
Y066
T3
LD
OUT
LD
AND
OUT
END
0
1
2
3
4
5
X000
Y016
X056
T003
Y066
0
X000
Y016
Y066
T3
LD
OUT
NOP
AND
OUT
END
0
1
2
3
4
5
X000
Y016
T003
Y066
Changed to NOP.
Coding
Coding
Содержание MELSEC-A series
Страница 1: ......
Страница 2: ......
Страница 13: ...A 11 MEMO...
Страница 505: ...APPENDICES APP 100 MELSEC A MEMO...
Страница 507: ......
Страница 508: ......