Mitsubishi Electric MELSEC FX Series User Manual page 62

FX communication
3 ) Programmable controller sends data to the computer.
Computer
OS*
(
7)
Write
Data
Comn.
Prog.
*OS (operating system) is the software for operating (or using) effectively the resources such as
the CPU, memory, terminal, file and network.
485PC-IF RS-485
RS-232C
(6)
Data
On-demand data
485ADP
(4)
(5)
Data
Computer link 7
Programmable controller
OS* Program
(3) (2) (1)
Read Send
Data
request+
Device
data write
memory,etc.
7-2