Mitsubishi Electric MELSEC Q Series Reference Manual page 590

No. Name
Cause of baton pass
SW0048
interruption
SW0049 Cause of data link stop
Data linking stop
SW004A
request station
588
Stores the cause of interrupting communication (baton pass) of the own
station.
00 : Normal communication
H
30 : Cable disconnection or power-on
H
31 : Cable insertion error
H
32 : Cable IN-OUT checking
H
33 : Disconnection or reconnection processing
H
40 : Offline mode
H
41 : Hardware test
H
42 : Self-loopback test
H
50 : Self-diagnostics in execution
H
Stores the cause of stopping data link of the own station.
00 : Normal communication
H
01 : Stop directed
H
02 : Monitoring timeout (
H
03 : Circuit test being executed
H
10 : Parameter unreceived
H
11 : Own station No. that is out of range
H
12 : Setting where own station is reserved station
H
13 : Own station No. duplication
H
14 : Control station duplication
H
15 : Control station or own station No. duplication
H
16 : Station No. unset
H
17 : Network No. illegality
H
18 : Parameter error
H
19 : Parameter communication in execution
H
20 : CPU module stop error
H
21 : CPU module power stop error
H
The CPU module power stop error (21
Controller Network modules with external power supply function.
The above data are detected when a CPU module is powered ON and then
OFF.
The station No. of the station where a cyclic transmission stop request is
executed is stored into own station.
Range: 1 to 120
The stop request of cyclic transmission is executed by System link stop
(SB0003).
(Condition)
• Valid when Baton pass status (own station) (SB0047) is OFF.
When Baton pass status (own station) (SB0047) is turned ON (error), data
prior to error is held.
Description
Page 183, Section 6.3)
) can be detected in CC-Link IE
H
Availability
Control Normal
station station