Delta CT2000 Series, User Manual

Page: 482 / 634

Chapter 16 PLC Function

CT2000 Series
16-41
Command Function
ORI
Connect contact b in parallel
Operand
X0~X17 Y0~Y17 M0~M799 T0~159 C0~C79 D0~D399
    
－
The ORI command is used to establish a parallel connection to contact a; its function
is to first read current status of the designated series contact and logical operation
results before contact in order to perform "OR" operation; saves results in cumulative
register.
Ladder diagram:
X0
X1
Y1
Command code: Description:
LD X0 Load Contact a of X0
ORI X1
Create series
connection to contact b
of X1
OUT Y1 Drive Y1 coil
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 parallel
connection to contact b
of X2
LDI X1 Load Contact b of X1
OR X3
Establish 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 parallel
connection to contact b
of X1
LDI X2 Load Contact b of X2
AND X3
Establish 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
Save current content of cumulative register to the stack. (Add one to stack pointer)