3
PLC and HMI programming
3-1. PLC programming
When programming, please use XDPPro v3.2 and up, because it is new.
Note: The details please refer to XD3 instruction manual.
3-2
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Instruction list
3-2-1. Basic instructions
Instruction
Function
LD
Initial logic normally open contactor
LDD
Directly from the contact read state
LDI
Initial logic normally close contactor
LDDI
Direct read normally closed contact
LDP
Rising edge detection algorithm
LDF
Falling edge detection operation began
AND
Serial connection normally open contactor
ANDD
Directly from the contact read state
ANI
Serial connection normally close contactor
ANDDI
Direct read normally closed contact
ANDP
Rising edge detection in series connection
ANDF
Falling edge detection in series connection