Mitsubishi Electric MELSEC iQ-R-R04CPU - CC-Link IE Field Network Basic Function

APPX
Appendix 5 List of Special Register Areas
873
A
CC-Link IE Field Network Basic function
The following is the list of special register areas relating to the CC-Link IE Field Network Basic function.
*1 This status includes the case where a slave station has not responded to the first request from the master station due to a power-off of
the slave station. (The slave station is not judged as a faulty station because the data link status is not determined.)
*2 The CPU module where this function can be used supports these special register areas.
No. Name Data stored Details Set by
(setting
timing)
CPU
SD1536
to
SD1539
Cyclic transmission
status of each station
Cyclic transmission
status of each station
The cyclic transmission status of each station is stored using the
following bit pattern. (Off: Not performed, On: Being performed)
The numbers in the figure indicate station numbers.
(Condition)
• Only the bit of the start station number turns on.
• The status is not stored for the reserved stations and the station
numbers after the maximum station number.
Use this register as an interlock for cyclic transmission. For details
on the interlock program, refer to the following.
 CC-Link IE Field Network Basic Reference Manual
S (Status
change)
Rn
*2
SD1540
to
SD1543
Data link status of
each station
Data link status of
each station
The data link status of each station is stored using the following bit
pattern. (Off: Normally operating station
*1
, On: Faulty station)
The numbers in the figure indicate station numbers.
(Condition)
• Only the bit of the start station number turns on.
• The status is not stored for the reserved stations and the station
numbers after the maximum station number.
This register can be used to monitor errors in slave stations,
connected cables, and a connected hub.
S (Status
change)
Rn
*2
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
SD1536
SD1537
SD1538
SD1539
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
SD1540
SD1541
SD1542
SD1543