Explanation For The Command; Load A Contact; Load B Contact - Delta C2000 series User Manual

End Command
Commands
END
Other Command
Commands
NOP
INV
P

16.5.2 Explanation for the Command

Mnemonic

Load A contact

LD
X0~X17
Operand
L The LD command is used on the A contact that has its start from the left BUS or
the A contact that is the start of a contact circuit. Function of the command is to
save present contents, and at the same time, save the acquired contact status
into the accumulative register.
Ladder diagram
Example
X0
Mnemonic

Load B contact

LDI
X0~X17
Operand
The LDI command is used on the B contact that has its start from the left BUS or
the B contact that is the start of a contact circuit. Function of the command is to
save present contents, and at the same time, save the acquired contact status
into the accumulative register.
Ladder diagram:
Example
X0
Function
Program end
Function
No function
Inverse operation result
Indicator
Y0~Y17
X1
Y1
Y0~Y17
X1
Y1
Chapter 16 PLC Function |C2000 Series
Function
M0~M799 T0~159
Command code
LD
AND
OUT
Function
M0~M799 T0~159
Command code: Operation:
LDI
AND
OUT
16-37
Operands
--
Operands
--
--
P
C0~C79 D0~D399
Operation
Load contact A of X0
X0
Connect to contact A of
X1
X1 in series
Y1 Drive Y1 coil
C0~C79 D0~D399
Load contact B of X0
X0
X1 Connect to contact A of
X1 in series
Y1 Drive Y1 coil
－
－