Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 453

APPENDICES
No. Name
3 5
CPU operation status of
SB0080
each station (1)
(128)
3
CPU RUN status of each
SB0084
station
(132)
3
CPU RUN status of the
SB0085
remote master station
(133)
3
Remote sub-master
SB0086
station CPU RUN status
(134)
3 4
CPU operation status of
SB0088
each station (2)
(136)
3: Valid only when the SB0047 is off. When it turns on (error), the last data are retained.
4: Minor errors are the type of errors that do not affect the CPU operation.
5: Serious errors are the type of errors that stop the CPU operation.
Fatal errors are also the type of errors that stop the CPU operation.
7: Available only in the remote sub-master station.
App - 14
Table 3 Link special relay (SB) list (continued)
Description
On PLC to PLC network
Indicates the CPU operating status of each station (including the
own station).
Off: All stations normal
On: A moderate or serous error identified
If a moderate or serious error is identified, the status of each
station can be checked in CPU operation status of each station
(1) (SW0080 to SW0083).
Depending on the timing of the link refresh, CPU operation status
of each station (1) (SW0080 to SW0083) and the update may be
offset by one sequence scan.
On remote I/O network
Indicates the operating status of each remote I/O station
(including the own station).
Off: All stations normal
On: Faulty station exists
If any faulty station exists, the status of each station can be
checked in CPU operation status of each station (1) (SW0080 to
SW0083).
Depending on the timing of the link refresh, CPU operation status
of each station (1) (SW0080 to SW0083) and the update may be
offset by one sequence scan.
Indicates the CPU RUN status of each station.
Off: All stations are in the RUN or STEP RUN status
On: Stations in the STOP or PAUSE status exist
(including the host)
When some stations are in the STOP or PAUSE status, each
station status can be checked in CPU RUN status of each station
(SW0084 to SW0087).
Depending on the timing of the link refresh, CPU RUN status of
each station (SW0084 to SW0087) and the update may be offset
by one sequence scan.
Indicates the CPU run status of remote master station.
Off: Run or STEP RUN status
On: STOP or PAUSE status
Indicates the CPU status of the multiplexed remote sub-master
station.
Off: RUN or STEP RUN status
On: STOP or PAUSE status
Indicates the operation status of each station's CPU or of each
remote I/O station (including the host station).
Off: All stations normal
On: Stations with minor errors exist
If any station with a minor error exists, the status of each station
can be checked in CPU operation status of each station (2)
(SW0088 to SW008B).
Depending on the timing of the link refresh, CPU operation status
of each station (2) (SW0088 to SW008B) and the update may be
offset by one sequence scan.
Use permitted/prohibited
Control Normal
station station
Loop Bus Loop Bus
[Availability column] Loop: optical loop, Bus: coaxial/twisted bus
MELSEC-Q
Remote
Remote I/O
master
station
station
Loop Bus Loop Bus
: Available, : Not available
App - 14