Mitsubishi QJ71GP21-SX, Reference Manual

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APPENDICES
Appendix 2 Link Special Register (SW) List
App
- 25
9
DE
DICA
T
E
D
INS
T
RUCT
IONS
10
T
R
OUB
L
E
S
HO
OT
IN
G
APPENDI
CES
INDEX
SW0072
OUT-side mis-cabling
station No.
Stores the station No. of the station where the OUT-side cable is incorrectly
inserted.
The station No. to be stored is a station No. of the target station where a
cable is connected.
0: No station connects cable incorrectly
1 to 120: Station No.
(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.
• Valid when IN-side loopback factor (SW0071) is 03
H
(OUT-side cable
insertion error).
SW0074
IN-side cable
disconnection detection
count
Stores the number (accumulation) of detecting cable disconnection at
IN-side.
The number of detections is cleared when Clear IN-side transmission error
count (SB0007) is turned ON.
SW0080
OUT-side loopback
station No.
Stores the station No. of the station where a loopback is executed at
OUT-side.
0: No station executes loopback
1 to 120: Station No.
(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.
SW0081
OUT-side loopback
factor
Stores the factor of OUT-side loopback.
00
H
: No station executes loopback
20
H
: IN-side cable disconnection
30
H
: IN-side cable insertion error
40
H
: IN-side line establishing
(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.
Table App.4 Link special register (SW) list (Continued)
No. Name Description
Availability
Control
station
Normal
station
IN
OUT
Station No.1
IN
OUT
Station No.2
IN
OUT
Station No.3
IN
OUT
Station No.4
SW0072: 3 SW0072: 3 SW0072: 2 SW0072: 2
Link special register (SW): SW0072 to SW0081