Mitsubishi Electric Q13UDVCPU - Page 589

587
APPENDICES
A
Appendix 3 List of Special Register Areas
SD1704
Data link
status of
each station
Data link
status of each
station
The data link status of each station is stored in the following
bit pattern. (Off: Normally operating station, On: Faulty
station)
■QnUDV
■LCPU
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 connected hubs.
S (Every
END
processing)
New
QnUDV
*1
LCPU
*2
SD1716
Total number
of connected
stations
Total number
of connected
stations
The total number of connected stations set in parameter is
stored.
■QnUDV
Range: 1 to 16
■LCPU
Range: 1 to 8
S (Initial) New
QnUDV
*1
LCPU
*2
SD1718
Reserved
station
specification
status of
each station
Reserved
station
specification
status of each
station
The reserved station specification status is stored in the
following bit pattern. (Off: Other than the reserved station,
On: Reserved station)
■QnUDV
■LCPU
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 station numbers after the
maximum station number.
S (Initial) New
QnUDV
*1
LCPU
*2
SD1722
Link scan
information
Maximum link
scan of group
No.1
The maximum link scan time value during cyclic transmission
is stored. (Unit: ms)
S (Status
change)
New
QnUDV
*1
LCPU
*2
SD1723
Minimum link
scan of group
No.1
The minimum link scan time value during cyclic transmission
is stored. (Unit: ms)
S (Status
change)
New
QnUDV
*1
LCPU
*2
SD1724
Current link
scan of group
No.1
The current link scan time value during cyclic transmission is
stored. (Unit: ms)
S (Status
change)
New
QnUDV
*1
LCPU
*2
SD1741
Diagnostic
request
information
Diagnostic
request
information
The diagnostic information display target slave station is
specified.
■QnUDV
Range: 1 to 16
■LCPU
Range: 1 to 8
UNew
QnUDV
*1
LCPU
*2
Number Name Meaning Explanation
Set by
(When Set)
Corresponding
ACPU
D9
Corresponding
CPU
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
87654321
b15 ... b7b8 b6 b5 b4 b3 b2 b1 b0
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
87654321
b15 ... b7b8 b6 b5 b4 b3 b2 b1 b0