AH500 Programming Manual 
3-4 
 
3.2.2  Applied Instructions 
 
 
The descriptions:   
: The applied instruction number 
: The instruction name 
: If the 16-bit instruction can be used as the 32-bit instruction, a D is added in front of the 16-bit 
instruction to form the 32-bit instruction. 
:  indicates that the instruction can be used as the pulse instruction, whereas ─ indicates that it 
can not.   
If users want to use the pulse instruction, they only need to add a P in back of the instruction.   
: The symbol used in the ladder diagram in ISPSoft 
: The function 
: If the 32-bit floating-point number instruction can be used as the 64-bit floating-point number 
instruction, a D is added in front of the 32-bit floating-point number instruction to form the 64-bit 
floating-point number instruction.