Appendix 6 List Of Link Special Register (Sw) Areas - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

Appendix 6
The link special register (SW) stores the information during data link. Error locations and causes can be checked by using and
monitoring the link special register (SW) in programs.
Application of the link special register (SW)
By using the link special register (SW), the status of CC-Link system can be checked from HMI (Human Machine Interfaces)
as well as the engineering tool.
Refresh of the link special register (SW)
To use the link special register (SW), set them in "Link Refresh Settings" under "Basic Settings" so that they are refreshed to
the devices or labels of the CPU module. (Page 65 Link refresh settings)
Range where data are stored by users and range where data are stored by the system
The following ranges correspond to when the link special register (SW) areas are assigned from SW0000 to SW01FF.
• Stored by users: SW0000 to SW001F
• Stored by the system: SW0020 to SW01FF
List of link special register (SW) areas
The following table lists the link special register (SW) when they are assigned from SW0000 to SW01FF.
Do not write any data to an area whose number is not on the following list or ranges where data are stored by
the system. Doing so may cause malfunction of the programmable controller system.
No. Name
SW0003 Multiple
temporary error
invalid station
specification
SW0004, Temporary error
SW0005 invalid station
specification
SW0008 Line test station
setting
SW000A CPU monitoring
time setting
APPX
148

Appendix 6 List of Link Special Register (SW) Areas

List of Link Special Register (SW) Areas
Description
Selects whether to specify multiple temporary error invalid stations.
00: Multiple stations set in SW0004, SW0005 specified
01 to 24 A single station specified from 1 to 24
(The number represents the station number to be set as a temporary error
invalid station.)
Specifies a temporary error invalid station.
0: Temporary error invalid station not specified
1: Temporary error invalid station specified
b15 b14 to
to
SW0004 16 15
SW0005 - - -
1 to 24 in the table indicate station numbers.
The stations need not be set by the number of occupied stations.
Error invalid stations, reserved stations, station with the end station number, and
stations later than that are excepted.
The use of b8 to b15 of SW0005 is prohibited.
Sets a station number where the line test is executed.
0: Entire system (executed to all stations)
01 to 24 Specified station
Default: 0
Sets the monitoring time of CPU response when the CPU module is accessed
through transient transmission.
Default: 90 (seconds) (value = 0)
Setting range: 1 to 3600 (seconds)
If a value outside the range is set, the monitoring time will be 3600 seconds.
b8 b7 to b2 b1
9 8 to 3 2
- 24 to 19 18
Availability
(: Available, : Not available)
Online
Master Intelligent
Station device
station
 
 
b0
1
17
 
 
Offline



