Mitsubishi Electric MELSEC Q Series Reference Manual page 595

No. Name
OUT-side mis-cabling
SW0072
station No.
IN-side cable
SW0074 disconnection
detection count
OUT-side loopback
SW0080
station No.
OUT-side loopback
SW0081
factor
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.
Station No.1 Station No.2
IN IN
OUT OUT
SW0072: 3 SW0072: 3
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
insertion error).
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.
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.
Stores the factor of OUT-side loopback.
00 : No station executes loopback
H
20 : IN-side cable disconnection
H
30 : IN-side cable insertion error
H
40 : IN-side line establishing
H
(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
Station No.3 Station No.4
IN IN
OUT OUT
SW0072: 2 SW0072: 2
(OUT-side cable
H
APPENDICES
Availability
Control Normal
station station
A
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