Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 437

8 TROUBLESHOOTING
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12) Dip number switch information
Displays the station type, the controlled station operations during recovery,
and the Send mode set up in the network module.
b15
All "0"
(3) When the network module: function version A and the GX
Developer: prior to SW5D5C-GPPW are combined
1)
2)
3)
4)
5)
Each item displays the following information.
1) Actual LED1 information
Displays the on/off status of the LEDs that are used in the network module.
b15
All "0"
2) LED1 information
Displays the information of the LEDs that are turned on by the network
module. The contents are displayed in the following manner:
• "UNDER RUN forward loop" to "CRC forward loop" display the information
of errors that have occurred on the forward loop side. The "L ERR." of 1)
Actual LED1 information turns on if either one of these errors have
occurred (corresponding LED information turns on) or the "UNDER RUN
reverse loop" to "CRC reverse loop" LED information of 3) LED2
information is lit.
• The "ERR." signal of 1) Actual LED1 information turns on if either
"Parameter setting error," "Duplicate station number/control station error"
or "Switch setting error" of 4) LED3 information is lit.
b8 b7
b5 b0
Empty
Control station Station type
operation 0: Normal station
0: Switched 1: Control station
1: Not switched
Send mode
0: Online mode (start)
1: Debug mode (stop)
b8 b7 b0
RUN
T.PASS
SD
ERR.
MNG
D.LINK
RD
L ERR.
MELSEC-Q
6)
7)
8)
9)
10)
11)
1: On
0: Off
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