App - 15 App - 15
MELSEC-Q
APPENDIX
Table 2 Link special register (SW) list (Continued)
Use permitted/prohibited
Control
station
Normal
station
Remote
master
station
Remote I/O
station
No. Name Description
Optical Coaxial Optical Coaxial Optical Coaxial Optical Coaxial
2
SW004A
(74)
Data linking stop request
station
Stores the station that stopped the host data linking. (Valid when
the SW0049 is 1.)
toSW004A
0: Host 1 to 64: Station number
b15 b14 to b2 b1 b0
0: Station number designated
1: All stations designated
b7
b6
b5
b4 b3
00
b0 to b6 store 7DH if a data link stop request is received from the
remote master station/multiplexed remote master station.
Indicates the CPU status of the host.
0:Normal
2
SW004B
(75)
Host CPU status
Other than 0
: Abnormal (For the error codes, see Section
8.3 or the "Error Code" chapter of QCPU
User’s Manual (Hardware Design,
Maintenance and Inspection).)
Stores the result of the data linking start.
0: Normal
2
SW004D
(77)
Data linking start status
(host)
Other than 0
: Abnormal (see the error codes in Section 8.3)
Stores the result of the data linking stop.
0: Normal
2
SW004F
(79)
Data linking stop status
(host)
Other than 0
: Abnormal (see the error codes in Section 8.3)
Stores the result of the data linking start.
0: Normal
2
SW0051
(81)
Data linking start status
(entire system)
Other than 0
: Abnormal (see the error codes in Section 8.3)
Stores the result of the data linking stop.
0: Normal
2
SW0053
(83)
Data linking stop status
(entire system)
Other than 0 : Abnormal (see the error codes in Section 8.3)
At the PLC to PLC network.
Stores the parameter information.
(When the SB0054 and SB0055 are off.)
00
b15 b14
to
b2 b1 b0
to
MELSECNET/H
0: Not designated
1: Designated
Type
00: Use only common parameters
01: Common parameters + station
specific parameters
10: Use only default parameters
11: Default parameters + station
specific parameters
(When the SB0055 is on.)
0
b15 b2 b1 b0
to
b3b4
10111
= 0F
H: Parameter erro