Mitsubishi Electric MELSEC-Q Series - Page 595

593
APPENDICES
A
Appendix 2 Link Special Register (SW) List
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 detection is cleared when Clear IN-side transmission error
counter (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.
255: Station No. not set
(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.
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