Delta MH300 Series - Page 907

Chapter 16 PLC Function ApplicationsMH300
16-44
Command
Function
ANB
Series circuit block
Operand
N/A
ANB performs an “AND” operation on the previously saved logic results and the current
cumulative register content.
Ladder diagram:
X1
X3
Y1
X0
X2
ANB
Block A
Block B
Command code:
Description:
LD
X0
Load Contact A of X0
ORI X2
Establish a parallel
connection to contact B
of X2
LDI
X1
Load Contact B of X1
OR X3
Establish a parallel
connection to contact A
of X3
ANB
Series circuit block
OUT
Y1
Drive Y1 coil
Command
Function
ORB
Parallel circuit block
Operand
N/A
ORB performs an “OR” operation on the previously saved logic results and the current
cumulative register content.
Ladder diagram:
X1
X3
Y1
X0
X2
ORB
Block A
Block B
Command code:
Description:
LD
X0
Load Contact A of X0
ANI X1
Establish a parallel
connection to contact
B of X1
LDI
X2
Load Contact B of X2
AND X3
Establish a parallel
connection to contact A
of X3
ORB
Parallel circuit block
OUT
Y1
Drive Y1 coil
Command
Function
MPS
Save to stack
Operand
N/A
Saves the current content of the cumulative register to the stack (add one to the stack
pointer).
Command
Function
MRD
Read stack (pointer does not change)
Operand
N/A
Reads the stack content and saves to the cumulative register (the stack pointer does
not change).