4 Basic Instructions
DVP-PM Application Manual
4-5
The ORI instruction is used to connect NC contact in parallel.
Program Example:
Ladder diagram: Instruction: Operation:
LD X0
Load NO contact X0
ORI X1
Connect NC contact X1 in parallel
X0
X1
Y1
OUT Y1
Drive Y1 coil
Mnemonic Function
ANB
Connect a block in series
Controllers
20PM 10PM
Operand
N/A
Explanations:
The ANB instruction is used to connect a circuit block to the preceding block in series. Generally, the circuit block to
be connected in series consists of several contacts which form a parallel connection structure
.Program Example:
Ladder diagram: Instruction: Operation:
LD X0
Load NO contact X0
ORI X2
Connect NC contact X2 in parallel
LDI X1
Load NC contact X1
OR X3
Connect NO contact X3 in parallel
ANB
Connect circuit block in series
X0
X2
Y1
X1
X3
ANB
Block A Block B
OUT Y1
Drive Y1 coil
Mnemonic Function
ORB
Connect a block in parallel
Controllers
20PM 10PM
Operand
N/A
Explanations:
The ORB instruction is used to connect a circuit block to the preceding block in parallel. Generally, the circuit block to
be connected in parallel consists of several contacts which form a serial connection structure.
Program Example: