Delta VFD300C43S-HS User Manual page 685

Command
Connect contact b in series
ANI
X0–X17
Operand

The ANI command is used to create a series connection to contact b; its function is to first read
current status of the designated series contact and logical operation results before contact in
order to perform "AND" operation; saves results in cumulative register.
Ladder diagram:
X1
Command
OR Connect contact a in parallel
X0–X17
Operand

The OR 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
Command
ORI Connect contact b in parallel
X0–X17
Operand

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
Command
ANB Series circuit block
Operand
ANB performs an "AND" operation on the previously saved logic results and the current
cumulative register content.
Ladder diagram:
X0
X2
Block A
Y0–Y17 M0–M799

X0
Y1
Y0–Y17 M0–M799

Y1
Y0–Y17 M0–M799

Y1
X1
ANB
Y1
X3
Block B
16-43
Chapter 16 PLC Function ApplicationsC2000-HS
Function
T0–159
 
Command code:
LD X1
ANI X0
OUT Y1
Function
T0–159
 
Command code:
LD X0
OR X1
OUT Y1
Function
T0–159
 
Command code:
LD X0
ORI X1
OUT Y1
Function
N/A
Command code:
LD X0
ORI X2
LDI X1
OR X3
ANB
OUT Y1
C0–C79 D0–D399

－
Description:
Load Contact a of X1
Create series connection
to contact b of X0
Drive Y1 coil
C0–C79 D0–D399

－
Description:
Load Contact a of X0
Create series connection
to contact a of X1
Drive Y1 coil
C0–C79 D0–D399

－
Description:
Load Contact a of X0
Create series connection
to contact b of X1
Drive Y1 coil
Description:
Load Contact a of X0
Establish parallel
connection to contact b of
X2
Load Contact b of X1
Establish parallel
connection to contact a of
X3
Series circuit block
Drive Y1 coil