Delta DVP-ES2 User Manual Page 121

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3. Instruction Set
3-5
Explanations:
The ORI instruction is used to connect NC contact in parallel.
Program example:
Ladder diagram:
X0
X1
Y1
Instruction: Operation:
LD X0 Load NO contact X0
ORI X1
Connect NC contact X1 in parallel
OUT Y1 Drive Y1 coil
Mnemonic Function Program steps
ANB
Connect a block in series 1
Controllers
ES2/EX2 SS2
SA2
SE
SX2
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:
X0
X2
Y1
X1
X3
ANB
Block A Block B
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
OUT Y1 Drive Y1 coil
Mnemonic Function Program steps
ORB Connect a block in parallel 1
Controllers
ES2/EX2 SS2
SA2
SE
SX2
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.
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