Start Of Forward Edge Detection Action; Start Of Reverse Edge Detection Action; Forward Edge Detection Series Connection - Delta MS300 Series User Manual

CALL NOW 800-985-6929
Command
LDP
Operand
Command
LDF
Operand
Command
ANDP
Operand
CALL NOW 800-985-6929
http://www.deltaacdrives.com

Start of forward edge detection action

X0~X17 Y0~Y17
 
The LDP command has the same usage as LD, but its action is different; its function is
to save current content, while also saving the detected state of the rising edge of the
contact to the cumulative register.
Ladder diagram:
X0
X1
Y1
Please refer to the function specifications table for each device in series for the scope
of usage of each operand.
A rising edge contact will be TRUE after power is turned on if the rising edge contact is
On before power is turned on to the PLC.

Start of reverse edge detection action

X0~X17 Y0~Y17
 
The LDF command has the same usage as LD, but its action is different; its function is
to save current content while also saving the detected state of the falling edge of the
contact to the cumulative register.
Ladder diagram:
X0 X1
Y1

Forward edge detection series connection

X0~X17 Y0~Y17
 
The ANDP command used for a contact rising edge detection series connection.
Ladder diagram:
X0 X1
Y1
http://www.deltaacdrives.com
Chapter 16 PLC Function ApplicationsMS300
Function
M0~M799 T0~159
 
Command
code:
Start of X0 forward edge detection
LDP X0
action
Create series connection to
X1
AND
contact A of X1
OUT Y1 Drive Y1 coil
Function
M0~M799 T0~159
 
Command code:
LDF
AND
OUT
Function
M0~M799 T0~159
 
Command code:
LD
ANDP
OUT
16-41
Email: info@deltaacdrives.com
C0~C79 D0~D399

－
Description:
C0~C79 D0~D399

－
Description:
Start of X0 reverse
X0
edge detection action
Create series
X1 connection to contact A
of X1
Y1 Drive Y1 coil
C0~C79 D0~D399

－
Description:
X0 Load Contact A of X0
X1 Forward edge
detection series
X1
connection
Y1 Drive Y1 coil
Email: info@deltaacdrives.com