F-10
FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)
2 Specifications
2.1 Communication Specifications (Reference)
2. Specifications
This chapter explains the communication specifications and performance of non-protocol communication.
2.1 Communication Specifications (Reference)
Non-protocol communication is executed in the communication specifications shown in the table below.
Item Specifications Remarks
Transmission standard RS-485 or RS-422 standard RS-232C standard
Maximum total extension
distance
FX3UC Series
500 m (1640' 5") or less when
using 485ADP
50 m (164' 0") or less when
using 485BD
15 m (49' 2") or less
FX
3U Series
FX
2NC Series
FX
2N Series
FX
1NC Series
FX
1N Series
FX
1S Series
FX
0N Series
FX
2C Series
—
FX
2(FX) Series
Protocol type —
Control procedure Non-protocol communication
Communication method
Half-duplex, bidirectional communication/
full-duplex, bidirectional communication
Method varies
depending on FX Series.
Baud rate 300, 600, 1200, 2400, 4800, 9600 or 19200 bps
Character format
These items are set using
parameters or using
D8120, D8400 or D8420.
Start bit —
Data bit 7 or 8-bit
Parity bit None, odd or even
Stop bit 1 or 2-bit
Header Provided or not provided
Terminator Provided or not provided
Control line — Provided or not provided
Sum check Provided or not provided
Sum check is provided
only with RS2 instruction.
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