Related Device List; 10. Related Data; For Fx 1Nc; Fx 1Nc , Fx 2Nc - Mitsubishi FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
N:N Network

10. Related Data

10.1

Related Device List

10.1.1 For FX , FX
1N 2N
1. Bit devices
Device
number
Devices for communication setting
M8038 Parameter setting
M8179 Channel setting
Devices for checking communication status
Serial communication
M8063
error 1 (ch 1)
Serial communication
M8438
error 2 (ch 2)
Data transfer
M8183
sequence error
M8184 Data transfer
to M8190 sequence error
Data transfer
M8191
sequence ON
R : Read only (used as a contact in program)
R/W : Read or Write
M : Master station (station No. 0)
L : Slave station (station No. 1 to 7)
B-46
, FX , FX , FX , and FX
3U 1NC 2NC
Name
Communication parameter setting flag
Sets the communication port channel to be used
(in the FX
Turns ON when abnormality occurs in serial
communication using ch 1 (in the FX
FX ).
3UC
Turns ON when abnormality occurs in serial
communication using ch 2 (in the FX
FX ).
3UC
Turns ON when a data transfer sequence error
occurs in the master station.
Turns ON when a data transfer sequence error
occurs in a slave station.
However, data transfer sequence errors within
the slave station itself cannot be detected.
Remains ON while data transfer is being
executed.
PLCs
3UC
Description
and FX ).
3U 3UC
10 Related Data
10.1 Related Device List
Initial Detec-
value tion
— M, L
— M, L
and — M, L
3U
and — M, L
3U
— L
— M, L
— M, L
R/W
R
R/W
R
R
R
R
R