274
APPX
Appendix 5 List of Link Special Register (SW)
Appendix 5
List of Link Special Register (SW)
The link special register (SW) stores the information during data link as a numerical value. Faulty areas and causes can be
checked by using or monitoring the link special register (SW) in programs.
Application of link special register (SW)
By using link special register (SW), the status of CC-Link IE TSN can be checked from HMI (Human Machine Interfaces) as
well as the engineering tool.
Refresh of link special register (SW)
To use link special register (SW), set them in "Refresh Settings" under "Basic Settings" so that they are refreshed to the
devices or labels of the CPU module. (
Page 99 Refresh Settings)
Range where data is stored by users and range where data is stored by the system
The following ranges correspond to when the link special register areas (SW) are assigned from SW0000 to SW0FFF.
• Stored by users: SW0000 to SW001F
• Stored by the system: SW0020 to SW0FFF
List of link special register (SW)
The following table lists the link special register areas (SW) when they are assigned from SW0000 to SW0FFF.
Do not write any data to an area whose number is not on the following list or ranges where data is stored by
the system. Doing so may cause malfunction of the programmable controller system.
No.
Name
Description
Availability
Master
station
Local station
Unicast
mode
Multicast
mode
SW001A
REMFR/REMTO
instruction
resend count
Set the number of resends for the REMFR/REMTO/REMFRD/REMTOD
instruction.
0: Not resent (default)
Other than the above: Number of times that is set, 1 to 15 (times)
SW001B
REMFR/REMTO
instruction
response wait
timer time
Set the response wait time for the REMFR/REMTO/REMFRD/REMTOD
instruction.
0: 10 seconds (default)
Other than the above: Number of seconds that is set, 1 to 32767 (seconds)
SW0030
Link dedicated
instructions
processing result
CH1
Stores the processing results of the link dedicated instruction that used channel 1
of the own station.
0: Completed successfully
1 or greater: Completed with an error (Error code is stored.)
SW0031
Link dedicated
instructions
processing result
CH2
Stores the processing results of the link dedicated instruction that used channel 2
of the own station.
0: Completed successfully
1 or greater: Completed with an error (Error code is stored.)
SW0040
Network number
Stores the network number of the own station.
Range: 1 to 239
SW0042
Station number
Stores the station number of the own station.
Range:
• Master station: 125
• Local station: 1 to 120, 255 (station number not set)
SW0043
Mode status of
own station
Stores the module operation mode setting or communication mode of the own
station.
0: Online mode/Unicast mode
1: Online mode/Multicast mode
2: Offline mode
B: Module communication test mode
Summary of Contents for MELSEC iQ-R CC-Link IE TSN
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Page 323: ...APPX Appendix 10 Added and Enhanced Functions 321 A MEMO ...
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