Mitsubishi FX3U-232-BD User Manual

F-41
FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)
6 Creating Programs (RS Instruction)
6.3 Operation of Control Line
A
Common Items
B
N:N Network
C
Parallel Link
D
Computer Link
E
Inverter Communication
F
Non-Protocol Communication (RS/RS2 Instruction)
G
Non-Protocol Communication (FX
2N
-232IF)
H
Programming Communication
I
Remote Maintenance
Apx.
Discontinued models
2) When only receiving is executed [The DR (DSR) signal is not used.]
3. When the control line is in the modem mode
*1. Set it to 2 scan times or more in FX1S, FX0N, FX2(FX), FX2C, FX1N, and FX1NC PLCs.
Reset it in a sequence program. While it remains ON, the PLC cannot receive
the next set of data.
OFF
OFF ON
ON
OFF ON
RS
instruction
driving
RD (RXD)
Receive data
ER (DTR)
ON
Receiving
complete
M8123
Message
1
Message
2
Reset it in a sequence program.
While it remains ON, the PLC cannot
receive the next set of data.
RS
instruction
driving
Sending wait
flag
M8121
SD (TXD)
Send data
OFF ON
OFF ON
Sending
request
M8122
RD (RXD)
Receive data
Receiving
complete
M8123
OFF ON
ONOFF
ON
ON
OFF
OFF
ER (DTR)
DR (DSR)
100 µ s
or
more
*1
Message
1
Message
3
Message
2

Mitsubishi FX3U-232-BD Specifications

General

Brand	Mitsubishi
Model	FX3U-232-BD
Category	Controller
Language	English