Mitsubishi Electric QJ71GF11-T2 - Page 499

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APPENDICES
A
Appendix 4 Link Special Register (SW) List
SW0049 Cause of data link stop
Stores the cause which stopped the data link of own station.
00
H
: At normal communication or power-on
01
H
: Stop command issued
02
H
: Monitoring timeout
05
H
: No slave stations (master station only)
10
H
: Parameter not received (local stations only)
11
H
: Own station No. out of range
12
H
: Own station specified as reserved
13
H
: Station No. duplication (own station)
14
H
: Master station duplication/submaster station duplication
16
H
: Station No. not set
18
H
: Parameter error
19
H
: Parameter communication in progress
1A
H
: Station type mismatch
1B
H
: Parameter mismatch
20
H
: CPU module stop error
60
H
: Incorrect ring topology configuration (master station only)
SW004A
Data link stop request
station
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.
SW004B
Own station's CPU
status
Stores the own station's status.
00
H
: No module mounted
01
H
: STOP (Normal)
02
H
: STOP (Stop error occurring)
03
H
: STOP (Continuation error occurring)
04
H
: RUN (Normal)
05
H
: RUN (Continuation error occurring)
06
H
: STEP-RUN
07
H
: PAUSE
0E
H
: Reset in progress
0F
H
: Initial processing
SW004C
Parameter setting
status
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.
Number Name Description
Availability
Master
station
(submaster
station)
Local
station