Mitsubishi Electric FX3U-232-BD - Related Data

C-52
FX Series PLC User's Manual - Data Communication Edition
Parallel Link
10 Related Data
10.1 Related Device List
10. Related Data
10.1 Related Device List
1. Bit devices
R: Read only (used as a contact in program)
W: Write only
M: Master station
L: Slave station
2. Word devices (data registers)
R: Read only
W: Write only
M: Master station
L: Slave station
Device
number
Name Description
Initial
value
Detec-
tion
R/W
Devices for communication setting
M8070
Parallel link master
station setting
Links a PLC as the master station when it turns ON.  MW
M8071
Parallel link slave
station setting
Links a PLC as the slave station when it turns ON.  LW
M8162
High speed parallel
link mode
Turns ON when two-word device communication
mode is selected.
 M, L W
M8178 Channel setting
Sets the communication port to be used. (in the FX 3G ,
FX
3GC , FX 3U and FX 3UC )
OFF: ch1, ON: ch2
 M, L W
Devices for checking communication status
M8072 Parallel link ON Remains ON while the parallel link is being executed.  M, L R
M8073
Parallel link setting
error
Turns ON when an error is included in the setting
contents of the master station or slave station.
 M, L R
M8063
Serial communication
error 1 (ch 1)
Turns ON when an error occurs in serial
communication using ch 1.
 M, L R
M8438
Serial communication
error 2 (ch 2)
Turns ON when an error occurs in serial
communication using ch 2. (in the FX
3G , FX 3GC , FX 3U
and FX 3UC )
 M, L R
Device
number
Name Description
Initial
value
Detec-
tion
R/W
Devices for communication setting
D8070 Error judgement time
Sets the error judgement time for data
communication in the parallel link.
500 M, L W
Devices for checking communication status
D8063
Serial communication
error code 1 (ch 1)
Stores the error code when an error occurs in serial
communication using ch 1.
0000 M, L R
D8438
Serial communication
error code 2 (ch 2)
Stores the error code when an error occurs in serial
communication using ch 2. (in the FX
3G , FX 3GC , FX 3U
and FX 3UC )
0000 M, L R
Devices for checking
D8419
Operation mode
display (ch 1)
Stores the communication type being used by
ch 1. (in the FX
3S, FX3G, FX3GC, FX3U and FX3UC)
—M, LR
D8439
Operation mode
display (ch 2)
Stores the communication type being used by
ch 2. (in the FX
3G, FX3GC, FX3U and FX3UC)
—M, LR