Delta VP3000 Series - Page 295

Chapter 7 Second Development Platform VP3000
286
Instruction Function
ORP Detect parallel connection at rising edge
Operand
X0–X17 Y0–Y17 M0–M799 T0–159 C0–C79 D0–D399
     －
Description ORP instruction is used in the parallel connection of the contacts’ rising-edge detection
Example
Ladder diagram:
X0
X1
Y1
Instruction code Operation
LD X0 Load X0 (the contact A)
ORP X1
Detect parallel
connection at rising
edge of X1
OUT Y1 Drive Coil Y1
Instruction Function
ORF Detect parallel connection at falling edge
Operand
X0–X17 Y0–Y17 M0–M799 T0–159 C0–C79 D0–D399
     －
Description ORF instruction is used in the parallel connection of the contacts’ falling-edge detection
Example
Ladder diagram:
X0
X1
Y1
Instruction code Operation
LD X0 Load X0 (the contact A)
ORF X1
Detect parallel
connection at falling
edge of X1
OUT Y1 Drive Coil Y1
Instruction Function
PLS Differential output at rising edge
Operand
X0–X17 Y0–Y17 M0–M799 T0–159 C0–C79 D0–D399
－   － － －
Description
Differential output at rising edge instruction. When X0 goes from OFFON (the rising-
edge is triggered), PLS instruction is executed, M0 sends pulses once and the pulse
length is one scanning time.
Example
Ladder diagram:
X0
M0
PLS
M0
Y0
SET
Sequence diagram:
Instruction code Operation
LD X0 Load X0 (the contact A)
PLS M0
Differential output at
rising edge of M0
LD M0 Load M0 (the contact A)
SET Y0
Maintain the action of
Y0 (ON)