Upper Differential Output; Lower Differential Output; Program Conclusion - Delta MS300 Series User Manual

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Command
PLS
Operand
Command
PLF
Operand
Command
END
Operand
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Upper differential output

X0~X17 Y0~Y17

－
Upper differential output commands. When X0=Off→On (positive edge-triggered), the
PLS command will be executed, and M0 will send one pulse, with a pulse length
consisting of one scanning period.
Ladder diagram:
X0
M0
PLS
M0
SET Y0
Time sequence diagram:
X0
Time for one scan cycle
M0
Y0

Lower differential output

X0~X17 Y0~Y17

－
Lower differential output command. When X0= On→Off (negative edge-triggered), the
PLF command will be executed, and M0 will send one pulse, with pulse length
consisting of one scanning period.
Ladder diagram:
X0
M0
PLF
M0
SET Y0
Time sequence diagram:
X0
Time for one scan cycle
M0
Y0

Program conclusion

An END command must be added to the end of a ladder diagram program or
command program. The PLC will scan from address 0 to the END command, and will
return to address 0 and begins scanning again after execution.
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Chapter 16 PLC Function ApplicationsMS300
Function
M0~M799 T0~159

－
Command code:
LD
PLS
LD
SET
Function
M0~M799 T0~159

－
Command code:
LD
PLF
LD
SET
Function
N/A
16-43
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C0~C79 D0~D399
－ －
Description:
X0 Load Contact A of X0
M0 Upper differential
M0
output
M0 Load Contact A of M0
Y0 Action continues
Y0
(ON)
C0~C79 D0~D399
－ －
Description:
X0 Load Contact A of X0
M0 Lower differential
M0
output
M0 Load Contact A of M0
Y0 Action continues
Y0
(ON)
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