Chapter 7 Second Development Platform VP3000 
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7-2 Introduction to the Functions of Instructions 
7-2-1 Overview of basic instructions 
Basic instructions 
Instruction code  Function  Operand 
Execution speed 
(μs) 
LD  Load contact A  X, Y, M, T, C  0.8 
LDI  Load contact B  X, Y, M, T, C  0.8 
AND  Connect contact A in serial  X, Y, M, T, C  0.8 
ANI  Connect contact B in serial  X, Y, M, T, C  0.8 
OR  Connect contact A in parallel  X, Y, M, T, C  0.8 
ORI  Connect contact B in parallel  X, Y, M, T, C  0.8 
ANB  Connect a block in serial  N/A  0.3 
ORB  Connect a block in parallel  N/A  0.3 
MPS  PUSH operation to stack  N/A  0.3 
MRD 
POP operation to stack (the 
stack pointer stays intact) 
N/A 0.3 
MPP  POP operation to stack  N/A  0.3 
Output instructions 
Instruction code  Function  Operand 
Execution speed 
(μs) 
OUT  Drive coil  Y, M  1 
SET  Maintain the action (ON)  Y, M  1 
RST  Clear the contacts or register  Y, M, T, C, D  1.2 
Timer, counter 
Instruction code  Function  Operand 
Execution speed 
(μs) 
TMR  16-bit timer  T-K or T-D  1.1 
CNT  16-bit counter  C-K or C-D (16-bit)  0.5 
Master-Control Instructions 
Instruction code  Function  Operand 
Execution speed 
(μs) 
MC 
The connection between the 
contacts of common lists 
N0–N7 0.4 
MCR 
Remove the connection 
between the contacts of 
common lists 
N0–N7 0.4 
Rising-Edge / Falling-Edge Contact Detection Instructions   
Instruction code  Function  Operand 
Execution speed 
(μs) 
LDP  Rising edge detection  X, Y, M, T, C  1.1 
LDF  Falling edge detection  X, Y, M, T, C  1.1 
ANDP 
Detect serial connection at 
rising edge 
X, Y, M, T, C  1.1