Mitsubishi Electric QJ71LP21 Reference Manual page 318

APPENDIX
No. Name
SW0044
Station setting
(68)
SW0046
Module type
(70)
SW0047
Baton pass status
(71)
SW0048 Cause of baton pass
(72) interruption
SW0049 Cause of data link
(73) transmission stop
App - 14
Table 2 Link special register (SW) list (Continued)
Description
On inter-PLC network: Stores the condition setting switch status
of the host.
0: Off
1: On
b15 to b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
SW0044 0 to 0 9 8 7 6 5 4 3
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 b2 b1 b0
SW0044 0 to 0 0 0 to 0
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.
0 : Executing data linking
1 : Data linking stopped (instructed by other station)
2 : Data linking stopped (instructed by host)
3 : Executing baton pass (parameter received)
4 : Executing baton pass (parameter received)
5 : Executing baton pass (parameter not received)
6 : Being disconnected (no baton pass)
7 : Being disconnected (line error)
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 (see 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
2 1
Network type (PLC to PLC network)
Station type
(0: Normal station, 1: Control station)
Control station operation
(0: Switch to designated control station,
1: Keep current control station)
Operating mode
(0: Online mode, 1: Debug mode)
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)
to b2 b1 b0
to 0
MELSEC-Q
Use permitted/prohibited
Remote
Control Normal
master
station station
station
Optical Coaxial Optical Coaxial Optical Coaxial Optical Coaxial
Remote I/O
station
App - 14