Programming; Communication Setting; Contents Of Related Devices - Mitsubishi Electric FX5 User Manual

2.7

Programming

This section explains how to set the N:N Network and how to create programs.
Configuration only for FX5 PLC configuration (master station + slave station  7 stations)
In N:N Network, pattern 0, 1 or 2 can be set according to the refresh range value.
The number of used devices varies depending on the pattern.
About FX5 PLC program and communication test, refer to FX Series User's Manual - Data Communication Edition.

Communication setting

Serial communication setting are as follows. (Page 22 Communication Setting)
Items
Protocol type
Fixed Host Station No.
Setting
Total Number of Local Station
Refresh Range
Timeout Retry Count Setting
Monitoring Time
*2
Link Link Device Bit
Device
*2
Link Device Word
*1 Execute communication test on the following settings: slave station quantity setting: 7 (Station No. 7), refresh range setting: 0 (pattern
0).
*2 Devices can be set individually to each station.

Contents of related devices

The device used in the program are shown below. (Page 36 Related Devices)
Devices for determining errors in the N:N Network
These devices are used for determining errors in the N:N Network. Use these devices to output the link errors or use them in
interlock sequence programs.
FX5 only
CH1 CH2 CH3
SM8500 SM8510 SM8520
SM9040
*1
SM9041 to SM9047
SM9056
*1 Station number 1: SM9041, station number 2: SM9042, station number 3: SM9043...station number 7: SM9047
*2 Station number 1: SM8184, station number 2: SM8185, station number 3: SM8186...station number 7: SM8190
Setting
Master station Slave stations
Station No. 0 Station
No. 1
N:N Network
0 1

7
*1

1

3

50
4000 4000
1000 1000
FX3 Series
compatible
CH4 CH1 CH2
SM8530 SM8063 SM8438
SM8183
*2
SM8184 to SM8190
SM8191
Station Station Station
No. 2 No. 3 No. 4
2 3 4
  
  
  
  
4000 4000 4000
1000 1000 1000
Name Descriptions
Serial communication error Turns ON when serial communication error
occurred.
Data transfer sequence error Turns ON when a data transfer sequence
error occurred in the master station.
Data transfer sequence error Turns ON when a data transfer sequence
error occurred in the other slave stations.
However, data sequence errors that
occurred in the local station (slave station)
cannot be detected.
Data transfer sequence ON Remains ON while the N:N Network is
operating.
Station Station Station
No. 5 No. 6 No. 7
5 6 7
  
  
  
  
4000 4000 4000
1000 1000 1000
2 N:N NETWORK
25
2.7 Programming
2