User`s manual

114
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.