Mitsubishi Electric MELSEC SW1DNC-CCIEF-B User Manual page 203

Number Name
SW0047 Baton pass status
(own station)
SW0048 Cause of baton pass
interruption
SW0049 Cause of data link
stop
SW004A Data link stop
request station
SW004B Own station's CPU
status
SW004C Parameter setting
status
SW0050 Data link start status
(own station)
Description
Stores the baton pass status for the own station (transient transmission possible).
• 0: Data link in progress
• 2: Baton pass in progress
• 3: Baton pass stopped
• 4: Test in progress
• 5: Offline
Stores the cause of interruption in the communication (baton pass) of own station.
• 00H: At normal communication or power-on
• 30H: Cable disconnection
• 33H: Disconnection or reconnection in progress
• 40H: Offline mode
• 41H: Hardware test
• 42H: Self-loopback test
Stores the cause which stopped the data link of own station.
• 00H: At normal communication or power-on
• 01H: Stop command issued
• 02H: Monitoring timeout
• 05H: No slave stations (master station only)
• 10H: Parameter not received (local stations only)
• 11H: Own station number out of range
• 12H: Own station specified as reserved
• 13H: Station number duplication (own station)
• 14H: Master station duplication
• 16H: Station number not set
• 18H: Parameter error
• 19H: Parameter communication in progress
• 1AH: Station type mismatch
• 20H: CPU module stop error
• 60H: Incorrect ring topology configuration (master station only)
Stores the station number of the station that performed the cyclic transmission stop
request for the own station.
• Range: 125 (master station), 1 to 120 (local station)
The cyclic transmission stop request is performed by System link stop (SB0003).
(Conditions)
This is enabled when the Baton pass status (own station) (SB0047) is OFF.
Stores the own station's status.
• 00H: No module mounted
• 01H: STOP (Normal)
• 02H: STOP (Stop error occurring)
• 03H: STOP (Continuation error occurring)
• 04H: RUN (Normal)
• 05H: RUN (Continuation error occurring)
• 06H: STEP-RUN
• 07H: PAUSE
• 0EH: Reset in progress
• 0FH: Initial processing
Stores the parameter status.
• 0: Normal
• 1 or higher: Abnormal (Page 167 Error Code List)
(Conditions)
This is enabled when the Received parameter error (SB004D) is ON.
Stores the results when cyclic transmission is started by Link start (own station)
(SB0000).
• 0: Normal
• 1 or higher: Abnormal (Page 167 Error Code List)
When Link start (own station) (SB0000) is turned OFF, the stored error definition is
cleared.
(Conditions)
This is enabled when the Baton pass status (own station) (SB0047) is OFF.
Availability
Master
station
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Appendix 4 Link Special Register (SW) List
Local
station
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A
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APPX
201