Mitsubishi FX3U-232-BD User Manual page 205

FX Series PLC User's Manual - Data Communication Edition
Computer Link
1. Outline
This chapter explains computer link.
1.1 Outline of System
Computer link allows connection of up to sixteen FX PLCs and A PLCs to a personal computer working as the
master station to link data.
1) Up to sixteen PLCs can be connected in computer link.
2) Applicable computer link protocols are the same as dedicated supported computer link protocols units in
the A Series PLC. (But the supported formats and commands are limited.)
In the case of RS-485
Personal computer
FX-485PC-IF
In the case of RS-232C
15 m (49' 2")
Personal computer
The number of devices handled all at once varies depending on the command and the types of devices.
System
500 m (1640' 5") [50 m (164' 0") when 485BD is used]
FX PLC
Station No. 0 (00H)
+
Communication
equipment operating
in accordance with
RS-485
FX PLC
Station No. 0 (00H)
+
Communication
equipment operating
in accordance with
RS-232C
16 units
FX PLC
Station No. 15 (0FH)
. . .
+
Communication
equipment operating
in accordance with
RS-485
1 Outline
1.1 Outline of System
Important points and reference
chapter/section
.......
Number of linked units
....... Total extension distance
For the specifications,
refer to Chapter 2.
To check applicable PLC
.......
models, refer to Section 1.3.
For selection,
.......
refer to Chapter 3.
For wiring,
.......
refer to Chapter 4.
A
B
C
D
E
F
G
H
I
Apx.
D-3