Mitsubishi Electric MELSEC iQ-F Series - Page 278

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APPX
Appendix 5 List of Link Special Register (SW)
List of link special register (SW)
The following table lists the link special register areas (SW) when they are assigned from SW0000 to SW0FFF.
Do not write any data to an area whose number is not on the following list. Doing so may cause malfunction of
the programmable controller system.
No. Name Description Availability
Master
station
Local station
Unicast
mode
Multicast
mode
SW0030 Link dedicated instructions
processing result CH1
Stores the processing results of the link dedicated instruction that
used channel 1 of the own station.
0: Completed successfully
1 or greater: Completed with an error (Error code is stored.)
 
SW0031 Link dedicated instructions
processing result CH2
Stores the processing results of the link dedicated instruction that
used channel 2 of the own station.
0: Completed successfully
1 or greater: Completed with an error (Error code is stored.)
 
SW0040 Network number Stores the network number of the own station.
Range: 1 to 239
 
SW0042 Station number Stores the station number of the own station.
Master station range: 125
Local station range: 1 to 120, 255 (station number not set)
 
SW0043 Mode status of own station Stores the module operation mode setting or communication mode
setting of the own station.
0: Online mode/Unicast mode
1: Online mode/Multicast mode
2: Offline mode
B: Module communication test mode
 
*1
SW0045 Module type Stores the hardware status of the own station.
Model type (b1, b0)
00: Module
01: Board
10: HMI (Human Machine Interface)
 
SW0046
to
SW0047
IPv4 address Shows the IP address (IPv4) set in the own station.  
SW0049 Cause of data link stop Stores the cause that stopped the data link of the own station.
00H: At normal communication or power-on
02H: Monitoring time timeout
05H: No device station (master station only)
10H: Parameter not received (local station only)
11H: Outside the range of own station numbers
12H: Reserved station setting of own station (local station only)
14H: Master station duplication (master station only)
16H: Station number not set (local station only)
18H: Parameter error
19H: Parameter communication in progress
20H: CPU module moderate error, major error
60H: Illegal ring topology (master station only)
(Also used in the CLPA conformance test.)
(Updated even if set as an error invalid station.)
(Updated even if set as a reserved station.)
 
b15 b2 b1 b0
SW0045
00
…
…
SW0046
SW0047
(1) (2)
(3) (4)