Appendix 4 List Of Link Special Register (Sw) - Mitsubishi Electric RD77GF8 User Manual

Appendix 4
The link special register (SW) stores the information during data link as a numerical value. Error locations 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 Field Network 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 70 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 areas (SW) 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)
The following table lists the link special register areas (SW) when they are assigned from SW0000 to SW01FF.
Do not write any data to an area whose No. 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
SW0000 Link startup/stop
direction
SW0001 Link startup/stop station
to specification
SW0008
SW0009 RIRD/RIWT instruction
arrival monitoring time
APPX
152

Appendix 4 List of Link Special Register (SW)

List of Link Special Register (SW)
Description
Set the content of data link startup/stop directions.
00H: Own station
01H: All stations
02H: Specified stations
80H: Own station enforced (enabled only for data link startup)
81H: All stations enforced (enabled only for data link startup)
82H: Specified stations enforced (enabled only for data link startup)
• Data link startup/stop is performed by "System link startup" (SB0002) or "System link stop" (SB0003).
• When 02H (specified station) or 82H (specified station enforced) is selected, the own station is not included.
Set the station No. to start or stop data link when 02H or 82H is set in "Link startup/stop direction" (SW0000).
0: Startup or stop not requested
1: Startup or stop requested
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
SW0001 16 15 14 13 12 11 10
SW0002 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
SW0003 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
SW0004 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
SW0005 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
SW0006 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
SW0007 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97
SW0008
Each No. in the table represents a station No.
• To specify the master station operating as a submaster station (station No.0), turn on the bit of the station No.125.
• While the submaster station is operating as a master operating station, setting of the submaster station No. is
ignored.
Specify the monitoring time until the RIRD/RIWT instruction completion.
If the instruction is not completed within the time, it will be resent for the number of times specified in "RIRD/RIWT
instruction resend count" (SW000B).
0: 10 seconds (default)
1 to 360: 1 to 360 seconds
If a value other than the above is specified, 360 seconds will be applied.
9 8 7 6
125 120 119 118 117 116 115 114 113
5 4 3 2 1