FX
2N
-16LNK-M MELSEC-I/O LINK REMOTE I/O SYSTEM MASTER BLOCK
Troubleshooting 5
5-4
LED status (
z
z
z
z
: Lit,
{
{
{
{
: Extinguished)
System status
Master block
Remote I/O unit
A
B
C
D
OPEN LED is
lit.
Wiring may be disconnected, a remote
I/O unit may be defective, or power may
be turned off.
PW LEDs on remote I/O units are
extinguished, so power is turned off or
remote I/O units are defective.
Wiring may be disconnected, a remote
I/O unit may be defective, or power may
be turned off.
PW LEDs on remote I/O units are lit, so
wiring is disconnected in position
d
.
Wiring may be disconnected, a remote
I/O unit may be defective, or power may
be turned off.
PW LEDs on remote I/O units are lit, so
wiring is disconnected in position
e
.
POWER
24
RUN
ERR
ERROR STATION
8
0
1
9
SD
2
A
RD
3
B
4
C
SHORT
OPEN
PARITY
5
D
6
E
7
F
PW
RUN
SD
RD
ERR
PW
RUN
SD
RD
ERR
PW
RUN
SD
RD
ERR
PW
RUN
SD
RD
ERR
POWER
24
RUN
ERR
ERROR STATION
8
0
1
9
SD
2
A
RD
3
B
4
C
SHORT
OPEN
PARITY
5
D
6
E
7
F
PW
RUN
SD
RD
ERR
PW
RUN
SD
RD
ERR
PW
RUN
SD
RD
ERR
PW
RUN
SD
RD
ERR
Master
A
B
C
D
POWER
24
RUN
ERR
ERROR STATION
8
0
1
9
SD
2
A
RD
3
B
4
C
SHORT
OPEN
PARITY
5
D
6
E
7
F
PW
RUN
SD
RD
ERR
PW
RUN
SD
RD
ERR
PW
RUN
SD
RD
ERR
PW
RUN
SD
RD
ERR
Master
A
B
C
D
Summary of Contents for FX2N-16LNK-M
Page 1: ...USER S MANUAL FX2N 16LNK M MELSEC I O LINK REMOTE I O SYSTEM MASTER BLOCK ...
Page 8: ...FX2N 16LNK M MELSEC I O LINK REMOTE I O SYSTEM MASTER BLOCK Contents vi MEMO ...
Page 50: ...FX2N 16LNK M MELSEC I O LINK REMOTE I O SYSTEM MASTER BLOCK Troubleshooting 5 5 6 Memo ...
Page 58: ...FX2N 16LNK M MELSEC I O LINK REMOTE I O SYSTEM MASTER BLOCK Appendix A 6 Memo ...
Page 59: ...FX2N 16LNK M MELSEC I O LINK REMOTE I O SYSTEM MASTER BLOCK ...