Mitsubishi Electric MELSEC-Q Series User Manual page 325

(b) H/W LED Information
The following table lists data link status displayed under "H/W LED Information".
Item
RUN
ERR.
MST
S MST
LOCAL
SW(ERR.)
M/S(ERR.)
PRM(ERR.)
TIME(ERR.)
LINE(ERR.)
156K
625K
2.5M
5M
10M
TEST
S0
S1
S2
(3) H/W SW Information
The following table lists information displayed under "H/W SW Information".
Item
STNo. × 10
STNo. × 1
MODE
STNo.
S_STNo.
B RATE
MODE
CONFIG
1: Operating normally
0: A hardware failure or a watchdog timer error has occurred.
1: A communication failure has occurred in all stations.
Changes between 0 and 1: A communication failure has occurred in a station.
1: The master/local module is operating as a master station.
1: The master/local module is operating as a standby master station (in standby status).
1: The master/local module is operating as a local station.
1: Switch setting error
1: A master station has already existed in the same line.
1: Parameter data error
1: The data link monitoring timer has timed out.
1: A cable is disconnected or the transmission path has been affected by noise.
1: The transmission speed is 156kbps.
1: The transmission speed is 625kbps.
1: The transmission speed is 2.5Mbps.
1: The transmission speed is 5Mbps.
1: The transmission speed is 10Mbps.
1: The offline test is being executed.
Not used
Not used
Not used
The value set using the station number setting switch (× 10)
The value set using the station number setting switch (× 1)
The value set using the transmission speed/mode setting switch
The station number of the module
The standby master station number set in the parameter (0: no standby master station
specified)
Transmission speed setting
Mode setting status
Module operating status (SW0062)
CHAPTER 11 TROUBLESHOOTING
Description
Description
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