Outline - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)
1.

Outline

This chapter explains Non-protocol communication.
1.1 Outline of System
Non-protocol communication exchanges non-protocol data using a printer, bar code reader, etc.
In FX Series PLCs, non-protocol communication is available using the RS and RS2 instructions.
The RS2 instruction is dedicated to the FX
In FX , FX PLCs, the RS2 instruction allows communication using three channels at the same time.
3G 3GC
In FX , FX PLCs, the RS2 instruction allows communication using two channels at the same time.
3U 3UC
1) Up to 4096 points of data can be sent, and up to 4096 points of data can be received. In the case of FX
and FX PLCs, make sure that the total number of sent and received data is 8000 points or less.
2NC
2) Data transfer is enabled when the connected equipment supports non-protocol serial communication.
3) The applicable total extension distance is 15m (49' 2") maximum in accordance with RS-232C
communication, and 500m (1640' 5") maximum in accordance with RS-485 communication [50m (164' 0")
when 485BD connection is used].
1. RS instruction
FX (FX), FX , FX
2 2C
RS-232C: 15 m (49' 2")/RS-485: 500 m (1640' 5")
Printer or bar code reader
Bar code reader
or printer
In PLCs except for the FX
data can be 256 points maximum.
, FX
3S
, FX , FX , FX , FX
0N 1S 1N 1NC
System
[50 m (164' 0") when 485BD is used]
Transfer direction
, FX , FX , FX , FX
2N 2NC 3S 3G
, FX , FX and FX
3G 3GC 3U
, FX , FX , FX , FX
2N 2NC 3S 3G
FX PLC
+
Communication
equipment operating
in accordance with
RS-232C or
RS-485
Word devices
4096 points data
, FX and FX PLCs, the amount of send data or receive
3GC 3U 3UC
1.1 Outline of System
PLCs.
3UC
, FX and FX PLCs
3GC 3U 3UC
Important points and reference
chapter/section
.......
Total extension distance
For 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.
....... The amount of send data or
receive data can be 4096
points maximum.
For details, refer to Chapter 2.
1 Outline
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