Delta VFD300C43S-HS User Manual page 691

Command
Upper differential output
PLS
X0–X17
Operand
－
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
Time sequence diagram:
Command
PLF Lower differential output
X0–X17
Operand
－
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
Time sequence diagram:
Command
END Program conclusion
Operand
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.
Y0–Y17 M0–M799
 
M0
PLS
Y0
SET
Y0–Y17 M0–M799
 
M0
PLF
Y0
SET
16-49
Chapter 16 PLC Function ApplicationsC2000-HS
Function
T0–159 C0–C79
－
Command code:
LD X0
PLS M0
LD M0
SET Y0
Function
T0–159 C0–C79
－
Command code:
LD X0
PLF M0
LD M0
SET Y0
Function
N/A
D0–D399
－ －
Description:
Load Contact a of X0
M0 Upper differential
output
Load Contact a of M0
Y0 Action continues
(ON)
D0–D399
－ －
Description:
Load Contact a of X0
M0 Lower differential
output
Load Contact a of M0
Y0 Action continues
(ON)