4 Basic Instructions
Instruction
code
Function Applicable model
20PM
P
Pointer

Operand P0~P255
Explanation
A pointer can be used by API 00 CJ, API 01 CALL, API 256 CJN, and API 257 JMP.
The pointers used do not have to start from P0. A pointer number can not be used
repeatedly, otherwise an unexpected error will occur.
Example
Ladder diagram:
X0
Y1
P10
X1
P10
CJCJ
Instruction code: Description:
LD X0 Loading the Form A
contact X0
CJ P10 The jump instruction
CJ specifies P10.
:
P10
Pointer P10
LD X1 Loading the Form A
contact X1
OUT
Y1 Driving the coil Y1
DVP-20PM Application Manual
4-15