Mitsubishi Electric MELSEC Q Series Reference Manual page 353

APPENDICES
No. Name
3
SB0095 Reverse loop status
(149)
3
Reverse loop status of
SB0096
remote master station
(150)
3
SB0099 Forward loop loopback
(153)
3
SB009A Reverse loop loopback
(154)
3
Send transmission path
SB009C
mismatch status
(156)
3
RECV instruction
SB00A0
execution request flag (1)
(160)
3
RECV instruction
SB00A1
execution request flag (2)
(161)
3
RECV instruction
SB00A2
execution request flag (3)
(162)
3
RECV instruction
SB00A3
execution request flag (4)
(163)
3
RECV instruction
SB00A4
execution request flag (5)
(164)
3
RECV instruction
SB00A5
execution request flag (6)
(165)
3
RECV instruction
SB00A6
execution request flag (7)
(166)
3
RECV instruction
SB00A7
execution request flag (8)
(167)
SB00A8
Online test instruction
(168)
3: Valid only when SB0047 is off. When it turns on (error), the last data are retained.
6: Available only in the remote sub-master station.
App - 11
Table 2 Link special relay (SB) list (Continued)
Description
Indicates the status of stations connected to the reverse loop.
Off: All stations normal
On: Faulty stations exist
When any faulty station exists, the status of each station can be
checked in Reverse loop status of each station (SW0095 to
SW0098).
Depending on the timing of the link refresh, Reverse loop status
of each station (SW0095 to SW0098) and the update may be
offset by one sequence scan.
Indicates the reverse loop status of the remote master station.
Off: Normal
On: Error
Indicates the loopback status of the forward loop while the
system is operating.
Off: Not executed
On: Executing stations exist
(Executing stations are stored in the SW0099)
Indicates the loopback status of the reverse loop while the
system is operating.
Off: Not executed
On: Executing stations exist
(Executing stations are stored in the SW009A)
Indicates the status of the transmission path used for sending by
other stations.
Off: All matched
On: Mismatching stations exist
Depending on the timing of the link refresh, Loop usage status of
each station (SW009C to SW009F) and the update may be
offset by one sequence scan.
Stores the data reception status of channel 1 of the host station.
Off: No data reception
On: Data received
Stores the data reception status of channel 2 of the host station.
Off: No data reception
On: Data received
Stores the data reception status of channel 3 of the host station.
Off: No data reception
On: Data received
Stores the data reception status of channel 4 of the host station.
Off: No data reception
On: Data received
Stores the data reception status of channel 5 of the host station.
Off: No data reception
On: Data received
Stores the data reception status of channel 6 of the host station.
Off: No data reception
On: Data received
Stores the data reception status of channel 7 of the host station.
Off: No data reception
On: Data received
Stores the data reception status of channel 8 of the host station.
Off: No data reception
On: Data received
Indicates the online test instruction status.
Off: Not instructed
On: Instructed
MELSEC-Q
Availability
Remote
Control Normal
master
station station
station
Optical Coaxial Optical Coaxial Optical Coaxial Optical Coaxial
6
Remote I/O
station
App - 11