Functions; Communication With Slaves - Mitsubishi MELSEC-A Series User Manual

4. FUNCTIONS
MELSEGA
4.
FUNCTlONS
4.1
Communication with Slaves
The main function of the AJ71PB92 is the communication of I/O data with
slave stations connected in the PROFIBUS-DP network. This communication
is executed
by
reading frowwriting to the input and output
images in the
buffer memory
by
using FROM/TO instructions. A summary of the communi-
cation function is presented in the figure below.
ACPU
A171
PBg2 (dass
1
master
stpblon)
' I
9
4 - 1