Mitsubishi Electric MELSEC Q Series Reference Manual page 593

No. Name
Maximum link scan
SW0060
time
Minimum link scan
SW0061
time
SW0062 Current link scan time
SW0063 Communication mode
Own station's loop
SW0064
status
SW0065 Loopback information
Stores the maximum value of link scan time at cyclic transmission. (Unit: ms)
(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 minimum value of link scan time at cyclic transmission. (Unit: ms)
(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 current value of link scan time at cyclic transmission.
The stored value includes an error of up to 1ms. (Unit: ms)
(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 setting value of the constant link scan which is set by
supplementary setting.
0: No setting
1 to 500: Setting value of constant link scan (Unit: ms)
(Condition)
• Valid when Data link status of own station (SB0049) is OFF.
Stores the transmission path status of the own station.
00 : Normal
H
12 : IN-side loopback (OUT-side cable disconnection)
H
13 : IN-side loopback (OUT-side cable insertion error)
H
14 : IN-side loopback (OUT-side line establishing)
H
21 : OUT-side loopback (IN-side cable disconnection)
H
31 : OUT-side loopback (IN-side cable insertion error)
H
41 : OUT-side loopback (IN-side line establishing)
H
22 : Disconnecting (IN-side or OUT-side cable disconnection)
H
23 : Disconnecting (IN-side cable disconnection, OUT-side cable insertion
H
error)
24 : Disconnecting (IN-side cable disconnection, OUT-side line establishing)
H
32 : Disconnecting (IN-side cable insertion error, OUT-side cable
H
disconnection)
33 : Disconnecting (IN-side or OUT-side cable insertion error)
H
34 : Disconnecting (IN-side cable insertion error, OUT-side line establishing)
H
42 : Disconnecting (IN-side line establishing, OUT-side cable disconnection)
H
43 : Disconnecting (IN-side line establishing, OUT-side cable insertion error)
H
44 : Disconnecting (IN-side or OUT-side line establishing)
H
Stores the loop status of network.
0: Normal
1: Loopback
2: All stations faulty
Description
APPENDICES
Availability
Control Normal
station station
A
591