Delta C2000 Series User Manual page 538

Command
ORF Reverse edge detection parallel connection
X0~X17
Operand
The ORF command is used for contact falling edge detection parallel connection.
Ladder diagram:
X0
X1
Command
PLS Upper differential output
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:
X0
Time for one scan cycle
M0
Y0
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:
X0
Time for one scan cycle
M0
Y0
Y0~Y17 M0~M799
Y1
Y0~Y17 M0~M799
M0
PLS
SET Y0
Y0~Y17 M0~M799
PLF M0
Y0
SET
16-46
Function
T0~159 C0~C79
Command code:
LD X0
ORF X1
OUT Y1
Function
T0~159 C0~C79
Command code:
LD X0
PLS M0
LD M0
SET Y0
Function
T0~159 C0~C79
Command code:
LD X0
M0
PLF
LD M0
SET Y0
D0~D399
Description:
Load Contact a of X0
X1 Reverse edge
detection parallel
connection
Drive Y1 coil
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)