Delta MS300 Series User Manual page 704

16-6-2 Detailed explanation of basic commands
Command
LD Load contact A
X0–X17
Operand

Use the LD command for contact A starting at the left busbar or contact A starting at a
contact circuit block; its function is to save current content and save the acquired
contact status in the cumulative register.
Ladder diagram:
Command
Load contact B
LDI
X0–X17
Operand

Use the LDI command for contact B starting at the left busbar or contact B starting at
a contact circuit block; its function is to save current content and save the acquired
contact status in the cumulative register.
Ladder diagram:
Command
AND Connect contact A in series
X0–X17
Operand

Use the AND command to create a series connection to contact A; its function is to first
read the current status of the designated series contac t and the logical operation
results before contact in order to perform "AND" operation; saves the results in the
cumulative register.
Ladder diagram:
X1
Y0–Y17 M0–M799

Y0–Y17 M0–M799

Y0–Y17 M0–M799
 
X0
Y1
695
Chapter 16 PLC Function ApplicationsMS300
Function
T0–159
 
Command code:
LD
X0
AND X1
OUT Y1
Function
T0–159
 
Command code:
LDI X0
AND X1
OUT Y1
Function
T0–159

Command code:
LDI X1
AND X0
OUT Y1
C0–C79 D0–D399
－

Description:
Load Contact A of X0
Create a series
connection to contact A
of X1
Drive Y1 coil
C0–C79 D0–D399
－

Description:
Load Contact B of X0
Create a series
connection to contact A
of X1
Drive Y1 coil
C0–C79 D0–D399
－

Description:
Load Contact B of X1
Create a series
connection to contact A
of X0
Drive Y1 coil