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14 DEDICATED INSTRUCTIONS
14.4 PSTRT1, PSTRT2, PSTRT3, PSTRT4
Setting
Internal device
data
Bit
(S)
–
(D)
[Instruction symbol]
PSTRT1
PSTRT2
PSTRT3
PSTRT4
When PSTRT1, PSTRT2, PSTRT3, and PSTRT4 are common to each other, they are designated as "PSTRT ".
[Setting data]
Setting data
QD75 head I/O number
"Un"
(00 to FE: High-order two digits of I/O number expressed in three digits)
(S)
Head number of a device in which control data is stored
Head number of a bit device which turns ON the operation by one scan at the
(D)
time of completion of the instruction.
If the instruction is completed abnormally, ((D) + 1) will also be turned ON.
Note) The file register of each of the local device and the program cannot be used as a device for setting data.
These dedicated instructions are used to start the positioning of the designated axis.
File
register
Word
–
[Execution condition]
Setting details
Usable device
MELSECNET/10
Special
direct J \
module
U \G
Bit
Word
–
–
14 - 8
Index
Constant
register
Zn
K, H, $
–
–
ZP.PSTRT1
(S)
"Un"
ZP.PSTRT2
"Un"
(S)
ZP.PSTRT3
"Un"
(S)
ZP.PSTRT4
"Un"
(S)
Setting side
( 1)
User
–
System
MELSEC-Q
Others
–
–
(D)
(D)
(D)
(D)
Data type
BIN 16 bits
Device
Bit
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Troubleshooting
