Specifications - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Computer Link
2.

Specifications

This chapter explains the communication specifications and performance.
2.1 Communication Specifications (Reference)
Communication is executed within the specifications shown in the table below. The baud rate, etc. can be
changed in the parameter settings of a programming tool or in a sequence program.
Item
Number of connectable units
Transmission standard
Maximum total extension
distance
Protocol type
Control procedure
Communication method
Baud rate
Start bit
Data bit
Character
format
Parity bit
Stop bit
Header
Terminator
Control line
Sum check
*1. FX and FX
3U
Specifications
RS-485 or RS-232C standard
RS-485: 500 m (1640' 5") or less
[50 m (164' 0") or less when 485BD is
included in system]
RS-232C: 15 m (49' 2") or less
Computer link (dedicated protocol)
Half-duplex, bidirectional communication
300, 600, 1200, 2400, 4800, 9600, 19200 or
None, odd or even
Provided or not provided
Series PLC Ver. 2.41 or later, and FX
3UC
16 maximum
—
*1
38400 bps
Fixed
7 or 8-bit
1 or 2-bit
Fixed
Fixed
Fixed
, FX , FX
3S 3G 3GC
2 Specifications
2.1 Communication Specifications (Reference)
Remarks
Distance varies depending
on communication equipment type.
Formats 1 and 4 are applicable.
Series PLC is applicable.
A
B
C
D
E
F
G
H
I
Apx.A
D-9