NAiS FP Series User Manual page 187

Communication Function 2 General - purpose Serial Communication
Procedure of communication
In the following example, the Micro - Imagechecker is connected to the COM. 1 port.
Ladder program
Start command "%S
set in transmission buffer.
Figure 184: FPΣ Procedure of communication (micro - imagechecker)
9 - 20
Data register
C
" is
R
Data transmission with F159 (MTRN)
R9039: off and R9038: off
Reception buffer writing point reset
Transmission done flag (R9039: on)
Reception done flag (R9038: on)
C
Data read "1012345 "
R
Empty data transmission with F159
(MTRN)
R9039: off and R9038: off
Reception buffer writing point reset
RS232C port
C
Start command "%S
Scan result "1012345
Micro-Imagechecker
" transmission
R
C
" is received.
R
FPΣ