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APPX
Appendix 1 List of SM/SD/Buffer Memory Areas for CC-Link IE Field Network Basic
APPENDICES
Appendix 1 List of SM/SD/Buffer Memory Areas for
CC-Link IE Field Network Basic
The special relay (SM)/special register (SD) numbers and the buffer memory addresses for CC-Link IE Field Network Basic
differ depending on the series of the programmable controller used. The following is the comparison table of the
corresponding numbers and addresses.
Name Description SM/SD/Buffer memory
MELSEC iQ-R MELSEC iQ-F MELSEC-Q/L
Cyclic transmission status This relay turns on when the cyclic transmission starts. SM1536 SM1536 SM1700
Data link status This relay turns on when an error exists even in one slave
station.
SM1540 SM1540 SM1704
Reserved station specification status The reserved station specification status of the slave
station specified in parameter is stored.
Un\G1025.0 SD11101.0 SM1718
Diagnostic information display
request
The bit is turned on to read the diagnostic information of
the specified slave station.
Un\G1050.0 SD11126.0 SM1741
Cyclic transmission status of each
station
The cyclic transmission status of each station is stored. (1
to 16 stations)
SD1536 SD1536 SD1700
The cyclic transmission status of each station is stored.
(17 to 32 stations)
SD1537 SD1701
*1
The cyclic transmission status of each station is stored.
(33 to 48 stations)
SD1538 SD1702
*1
The cyclic transmission status of each station is stored.
(49 to 64 stations)
SD1539 SD1703
*1
Data link status of each station The data link status of each station is stored. (1 to 16
stations)
SD1540 SD1540 SD1704
The data link status of each station is stored. (17 to 32
stations)
SD1541 SD1705
*1
The data link status of each station is stored. (33 to 48
stations)
SD1542 SD1706
*1
The data link status of each station is stored. (49 to 64
stations)
SD1543 SD1707
*1
Total number of connected stations The total number of connected stations set in parameter
is stored.
Un\G1024 SD11100 SD1716
Reserved station specification status
of each station
The reserved station specification status is stored. (1 to
16 stations)
Un\G1026 SD11102 SD1718
The reserved station specification status is stored. (17 to
32 stations)
Un\G1027 SD1719
*1
The reserved station specification status is stored. (33 to
48 stations)
Un\G1028 SD1720
*1
The reserved station specification status is stored. (49 to
64 stations)
Un\G1029 SD1721
*1
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