Mitsubishi FX3U-232-BD User Manual page 211

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
Character format
Start bit
Data bit
Parity bit
Stop bit
Header
Terminator
Control line
Sum check
Specifications
16 maximum
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 or 19200 bps
—
Fixed
7 or 8-bit
None, odd or even
1 or 2-bit
Fixed
Fixed
Fixed
Provided or not provided
2 Specifications
2.1 Communication Specifications (Reference)
Remarks
Distance varies depending
on communication
equipment type.
Formats 1 and 4 are
applicable.
A
B
C
D
E
F
G
H
I
Apx.
D-9