Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 462

APPENDICES
No. Name
SW0044
Station setting
(68)
SW0046
Module type
(70)
SW0047
Baton pass status (host)
(71)
SW0048 Cause of baton pass
(72) interruption
SW0049
Cause of data link stop
(73)
2
Data linking stop request
SW004A
station
(74)
App - 23
Table 4 Link special register (SW) list (continued)
Description
On remote I/O network: Stores the condition setting switch status
of the host.
0: Off
1: On
b15 to b10 b9 b8 b7 b6 to
0 to 0 0 0 to
SW0044
Return mode
(0: Master station returns as master operating station
(control station).
1: Master station returns as sub-master operating station
(standby station).)
Parameter status
(0: Without parameters for remote sub-master station
1: With parameters for master station and sub-master station)
Stores the network module type of the host.
b15 b14 b13
SW0046 0
01: Optical 10: Coaxial 11: Twisted
0: Duplex 1: Single
0: Loop 1: Bus
Stores the baton pass status of the host.
00 : Executing data linking
H
01 : Data linking stopped (instructed by other station)
H
02 : Data linking stopped (instructed by host)
H
03 : Executing baton pass (parameter received (no
H
transmission area in the host))
04 : Executing baton pass (parameter error)
H
05 : Executing baton pass (parameter not received)
H
06 : Being disconnected (no baton pass)
H
07 : Being disconnected (line error)
H
11 : Loop test
H
12 : Setup confirmation test
H
13 : Station order check test
H
14 : Communication test
H
1F : Offline test
H
Stores the cause of baton pass interruption of the host.
0 : Normal communication
1 : Offline
2 : Offline test
3 or more : Cause of interruption (Refer to the error codes
in Section 8.3)
Stores the cause of data linking stop of the host.
0: Normal
1: Stop instructed
2: No common parameters
3: Common parameter error
4: Host CPU error
6: Communication aborted
Stores the station that stopped the host data linking. (Valid when
the SW0049 is 1.)
b15 b14 to b7 b6 b5 b4 b3
SW004A 0 to 0
0: Station number designated
1: All stations designated
b0 to b6 store 7D if a data link stop request is received from the
H
remote master station/multiplexed remote master station.
b2 b1 b0
0 1
Network type
(1: Remote I/O network)
Station type
(0: Multiplexed remote sub-master
station, remote I/O station
1: Multiplexed remote master station)
b2 b1 b0
to
to 0
b2 b1 b0
0: Host 1 to 64: Station number
[Availability column] Loop: optical loop, Bus: coaxial/twisted bus
MELSEC-Q
Use permitted/prohibited
Remote
Control Normal
master
station station
station
Loop Bus Loop Bus Loop
: Available,
Remote I/O
station
Bus Loop Bus
: Not available
App - 23