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CHAPTER2 PROFIBUS Unit
(15) Current point variable P read ................................................ Code 020F
The point variable P is read.
Command option
QWn+22
QWn+20
QWn+18
QWn+16
QWn+14 QWn+12
Command response
IWm+22
IWm+20
IWm+18
IWm+16
IWm+14 IWm+12
Point number
(Details)
Point number:
It is the inherent number assigned to the point of 0 to 999.
(Example)
Transmission example 1:
The point variable P is read.
QWn+22 QWn+20 QWn+18 QWn+16 QWn+14 QWn+12 QWn+10
QWn+8
0000
0000
0000
0000
0000
0000
0000
020F
Response example 1:
The point variable is P=100
IWm+22
IWm+20
IWm+18
IWm+16
IWm+14 IWm+12 IWm+10
IWm+8
0000
0000
0000
0000
0000
0064
0000
0200
!
CAUTION
Though the content of the point variable P is held even when the controller power
supply is turned off, the point variable P is initialized to 0 in case of the program
reset or any operation which the program reset is applied with the execution
program switch, etc.