Specifications

App - 23
Appendix 5.3 PFWRT
These dedicated instructions are used to write the QD75 parameters, positioning data
and block start data to the flash ROM.
Usable device
Internal device
MELSECNET/10
direct J
Constant
Setting
data
Bit Word
File register
Bit Word
Special
module
U
G
Index register
Zn
K,H,$
Others
(S)
(D)
[Instruction symbol] [Execution condition]
PFWRT
ZP.PFWRT
"Un"
(S) (D)
Setting data
Setting data Setting details Setting side (*
1
) Data type
"Un"
A QD75 head I/O number
(00 to FE: Highest two digits in the case of I/O number expressed
in three digits)
User BIN 16 bits
(S) A head number of a word device in which control data is stored Word
(D)
A head number of a bit device that turns ON for one scan time at
completion of the instruction.
If the instruction is completed abnormally, ((D) + 1) will also be
turned ON.
System Bit
Control data
Device Item Setting data Setting range Setting side (*
1
)
(S)+0 System area
(S)+1 Complete status
The state at the time of completion is stored.
0 : Normal completion
Other than 0 : Abnormal completion
(error code)
System
*1: The data on the setting side is as follows.
• User : Data before the execution of dedicated instructions is stored by users.
• System : Data after the execution of dedicated instruction is stored by PLC CPU.