Specifications - Mitsubishi Electric FX3U-232-BD User Manual

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

Specifications

This chapter explains the communication specifications and performance of the parallel link.
2.1 Communication Specifications (Reference)
The parallel link is executed using the (fixed) communication specifications shown in the table below.
Specification items such as baud rate cannot be changed.
Number of connectable units
Transmission standard
FX
3UC
Maximum
FX
2NC
total
PLCs
extension
distance
FX (FX), FX
2
Protocol type
Control procedure
Communication method
FX
3UC
Baud rate
FX
2NC
FX
2C
Start bit
Data bit
Character
format
Parity bit
Stop bit
Header
Terminator
Control line
Sum check
Item
, FX , FX , FX , FX
3U 3GC 3G
, FX , FX , FX , FX , FX
2N 1NC 1N 1S
PLCs
2C
, FX , FX , FX , FX
3U 3GC 3G 3S
, FX , FX , FX , FX , FX
2N 1NC 1N 1S
, FX (FX) PLCs
2
2.1 Communication Specifications (Reference)
Specifications
2 maximum (1:1)
RS-485 or RS-422 standard
500 m (1640' 5") or less
,
3S
0N
[50 m (164' 0")or less when
485BD is included in system]
Wire link: 10 m (32' 9") or less
Optical fiber: 50 m (164' 0") or less
Parallel link
—
Half-duplex,
bidirectional communication
PLCs 115200bps
,
0N
19200bps
Fixed
Fixed
—
Fixed
2 Specifications
Remarks
Wire link: FX -40AW
2
Optical fiber: FX -40AP
2
C-9
A
B
C
D
E
F
G
H
I
Apx.A