N:n Network; Related Flags And Data Registers; Auxiliary Relays - Mitsubishi Electric MELSEC FX Series User Manual

FX communication

4. N:N Network

For diagnostics, please refer to chapter 12.
4.1

Related Flags and Data Registers

4.1.1

Auxiliary Relays

Auxiliary relays
Attribute
FX
FX
R
R M504
M505 to
R
M511
R M503
R : Read only
Note:
*1 The number of communication errors that have occurred in each station cannot be counted in
the CPU error status, the program error status or the stop status.
*2 Number in accordance with the slave station No.
Example: FX
FX
Note:
• Devices M503 to M511 in the FX
These devices are used by the N:N network.
, FX , FX ,
0N 1N 2N
FX
1S 2NC
N:N network
M8038
parameter setting
Communication error of
M8183
master station
M8184 to
Communication error of
*2 *2
slave station
M8190
M8191 Data communication
W : Write only M : Master station
...............Slave station No.1 is M505,
, FX
0N 1S
~ Slave station No.7 is M511.
......Slave station No.1 is M8184, Slave station No.2 is M8185,
, FX , FX
2N 2N 1N
~ Slave station No.7 is M8190.
Name
Used to set N:N network
parameters
ON when communication error
occurs in the master station.
ON when communication error
occurs in the slave station.
ON when communicating to
another station.
L : Slave station
and FX cannot be used in the program.
0N 1S
N:N network 4
Response
Description
M, L
L
*1
M, L
*1
M, L
Slave station No.2 is M506,
type
4
4-1