Mitsubishi Electric Q26UD(E)HCPU User Manual page 589

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