154
APPX
Appendix 4 List of Link Special Register (SW)
SW0047
Baton pass status of
own station
Stores the baton pass status (transient transmission availability) of the own station.
0: Data link in progress
2: Baton pass in progress
3: Baton pass being terminated
4: Test in progress
5: Offline
SW0048
Cause of baton pass
interruption
Stores the cause of interruption in the communication (baton pass) of the own station.
00H: At normal communication or power-on
30H: Cable disconnection
33H: Disconnection or return in progress
40H: Offline mode
60H: Network topology setting error
SW0049
Cause of data link stop
Stores the cause which stopped the data link of the own station.
00H: At normal communication or power-on
01H: Stop direction
02H: Monitoring time timeout
05H: No slave station (master station only)
10H: Parameter not received (local station only)
11H: Station No. of the own station out of the range
12H: Reserved station setting of the own station
13H: Own station No. duplication
14H: Master station duplication/submaster station duplication
16H: Station No. not set
18H: Parameter error
19H: Parameter communication in progress
1AH: Station type mismatch
1BH: Parameter mismatch
1DH: Initial processing of CC-Link IE Field Network synchronous communication
20H: CPU module moderate error, major error
60H: Illegal ring connection (master station only)
SW004A
Data link stop request
station
Stores the station No. of the station that performed the data link stop request for the own station.
Range: 1 to 120, 125 (master station)
The data link stop request is performed by "System link stop" (SB0003).
(Conditions)
• This register is enabled when "Baton pass status of own station" (SB0047) is off.
• When "Baton pass status of own station" (SB0047) is turned on (error), data prior to error is held.
SW004B
CPU status of own
station
Stores the status of the CPU module on the own station.
00H: No CPU module mounted
01H: STOP (normal)
02H: STOP (moderate/major error)
03H: STOP (minor error)
04H: RUN (normal)
05H: RUN (minor error)
07H: PAUSE
0EH: Reset in progress
0FH: Initial processing
SW004C
Parameter setting status
Stores the status of parameter settings.
0: Normal
1 or greater: Error definition (Error code is stored.)
(Conditions)
• This register is enabled when "Received parameter error" (SB004D) is on.
SW0050
Link startup result of own
station
Stores the results when data link is started by "Link startup of own station" (SB0000).
0: Normal
1 or greater: Error definition (Error code is stored.)
When "Link startup of own station" (SB0000) is turned off, the stored error definition is cleared.
(Conditions)
• This register is enabled when "Baton pass status of own station" (SB0047) is off.
• When "Baton pass status of own station" (SB0047) is turned on (error), data prior to error is held.
SW0051
Link stop result of own
station
Stores the results when data link is stopped by "Link stop of own station" (SB0001).
0: Normal
1 or greater: Error definition (Error code is stored.)
When "Link stop of own station" (SB0001) is turned off, the stored error definition is cleared.
(Conditions)
• This register is enabled when "Baton pass status of own station" (SB0047) is off.
• When "Baton pass status of own station" (SB0047) is turned on (error), data prior to error is held.
No.
Name
Description
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