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Number
Name
SW0049
Cause of data link stop
Data link stop request
SW004A
station
Own station's CPU
SW004B
status
Parameter setting
SW004C
status
Description
Stores the cause which stopped the data link of own station.
00
: At normal communication or power-on
H
01
: Stop command issued
H
02
: Monitoring timeout
H
05
: No slave stations (master station only)
H
10
: Parameter not received (local stations only)
H
11
: Own station No. out of range
H
12
: Own station specified as reserved
H
13
: Station No. duplication (own station)
H
14
: Master station duplication/submaster station duplication
H
16
: Station No. not set
H
18
: Parameter error
H
19
: Parameter communication in progress
H
1A
: Station type mismatch
H
1B
: Parameter mismatch
H
20
: CPU module stop error
H
60
: Incorrect ring topology configuration (master station only)
H
Stores the station No. of the station that performed the cyclic
transmission stop request for the own station.
Range: 1 to 120, 125 (master station)
The cyclic transmission stop request is performed by System link stop
(SB0003).
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off.
Stores the own station's status.
00
: No module mounted
H
01
: STOP (Normal)
H
02
: STOP (Stop error occurring)
H
03
: STOP (Continuation error occurring)
H
04
: RUN (Normal)
H
05
: RUN (Continuation error occurring)
H
06
: STEP-RUN
H
07
: PAUSE
H
0E
: Reset in progress
H
0F
: Initial processing
H
Stores the parameter status.
0: Normal
1 or higher: Abnormal (
Page 439, Section 12.5)
(Condition)
• This is enabled when the Received parameter error (SB004D) is on.
APPENDICES
Availability
Master
station
Local
(submaster
station
station)
497
A
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Troubleshooting
