Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 456

APPENDICES
No. Name
SB00AE
Offline test response
(174)
SB00AF Offline test response
(175) completion
SB00EE
Transient error
(238)
3 Remote sub-master
SB01C4 station switching
(452) acceptance status
3
Remote sub-master
SB01C5
station switching status
(453)
Send/receive device
3
SB01C8 number valid/invalid
(456) status
3
Network type consistency
SB01E0
check
(480)
3: Valid only when the SB0047 is off. When it turns on (error), the last data are retained.
App - 17
Table 3 Link special relay (SB) list (continued)
Description
Indicates the response status for offline test.
Off: No response
On: Response
Indicates the response status for offline test end.
Off: Response not completed
On: Response completed
If "Response completed" is indicated, the offline test information
can be obtained in Offline test execution item (responding side)
(SW00AE) and Offline test result (responding side) (SW00AF).
Indicates the transient transmission error status.
Off: No error
On: Errors exist
Indicates the status of accepting the directive to shift from master
operation to sub-master operation.
Off: Without acceptance
On: With acceptance
Indicates the operation status of a shift from master operation to
sub-master operation.
Off: Without shift
On: Shift completion
Indicates whether the send/receive device numbers (SW01C8 to
SW01CF) of the remote master station or remote sub-master
station are valid or invalid.
Off: Invalid
On: Valid
Indicates whether there is a mismatch between the network
types of the control station and normal stations on the network.
• When the control station is in the MELSECNET/H Extended
mode
Off: All normal stations are set to the MELSECNET/H
Extended mode.
On: There is a normal station set to the MELSECNET/H
mode or MELSECNET/10 mode.
• When the control station is in the MELSECNET/H mode or
MELSECNET/10 mode
Off: All normal stations are set to the MELSECNET/H mode
or MELSECNET/10 mode.
On: There is a normal station set to the MELSECNET/H
Extended mode.
When a mismatch is found, the status of each station can be
checked by Network type consistency check (SW01E0 to
SW01E3).
Depending on the timing of the link refresh, Network type
consistency check (SW01E0 to SW01E3) 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 - 17