Mitsubishi Electronics FX-485ADP, FX0N-485ADP manual System configuration

1.2 System configuration

The system configuration of computer and PC is either 1 : 1 or 1 : n, and for communication with the computer, the RS-485 or RS-422 is used.

(1) Computer and PC by 1 : 1 configuration

FX,FX2C series PC

Computer 485PC-IF 485ADP Station No.0

:RS-232C interface

:RS-485 interface

:RS-232C cable

:RS-422 or RS-485 cable

Max. 500m

(2)Computer and PC by 1 : n configuration

In this case, the number of link stations is 16 PCs at maximum for one computer, including the FX series PCs and A series PCs. Such system of data exchange with plural PCs with one computer is called the multi-drop link system.

Computer

FX

series PC

485PC-IF 485ADP Station No.0

FX

series PC

485ADP Station No.1

FX

series PC

485ADP Station No.2

CPU

A

series

PC

Station − Computer

No.15 link unit

Max. 16 stations including A series PCs (total extension distance 500m)

: RS-232C interface

: RS-485 interface

: RS-232C cable

: RS-422 or RS-485 cable