When The Power Supply To The Local Station (Pc Cpu) Is Turned Off; When The Station Numbers Are Duplicate - Mitsubishi A1SJ61BT11 User Manual

13 TROUBLESHOOTING

13.4.7 When the power supply to the local station (PC CPU) is turned off

A
Because data link
J61BT11
is disabled at one
RUN
station (Turnes off
ERR.
if the local station MST
S MST
is set as aninvalid
LOCAL
station by the
CPU R/W
parameter.)
E
SW
R
M/S
PRM
R
TIME
O
LINE
R
L RUN
L ERR.
Power
PC CPU
supply
Terminal
resistor

13.4.8 When the station numbers are duplicate

A
J61BT11
RUN
ERR.
MST
S MST
LOCAL
CPU R/W
E
SW
R
M/S
PRM
R
TIME
O
LINE
R
L RUN
L ERR.
Power
PC CPU
supply
Terminal
resistor
Data link is continued excluding the local station.
The "ERR." LED at the master station flashes.
B
156K
625K
R
2.5M
A
5M
T
10M
E
................. indicates the "light-on" status.
TEST
................. indicates the "light-off" status.
T
S0
E
................. indicates the "flashing" status.
S1
S
S2
T
................. indicates one of the "light-on",
SD
RD
PW L RUN
Master
station
Remote I/O
station
Stabilized power
supply (24VDC)
This is a case where the settings for a remote I/O station and a remote device station
are duplicate. A skipped number (no slave station exists) result in the system because
of overlapped station number, so the "ERR." LED on the master station flashes.
B
156K
625K
R
2.5M
A
5M
T
10M
E
................. indicates the "light-on" status.
TEST ................. indicates the "light-off" status.
T
S0
E
................. indicates the "flashing" status.
S1
S
S2
T ................. indicates one of the "light-on",
SD
RD
PW L RUN
Master
station
Remote I/O
station
Stabilized power
supply (24VDC)
"light-off" or "flashing" status.
RUN
L RUN
RD L ERR.
SD
L ERR.
Remote device
station
Stabilized power
supply (24VDC)
"light-off" or "flashing" status.
PW
RUN
L RUN
SD
RD
SD RD L ERR.
L ERR.
Remote device
station
Stabilized power
supply (24VDC)
13 - 15
PW
SD
RD
Power
PC CPU
supply
Power
PC CPU
supply
MELSEC-A
A
J61BT11
B
RUN 156K
ERR. 625K
R
MST 2.5M
A
S MST 5M
T
LOCAL 10M
E
CPU R/W
E
SW
R
M/S TEST
T
PRM
R S0
E
TIME S1
O
S
LINE
S2
R
T
L RUN SD
RD
L ERR.
Local
station
Terminal
resistor
A
J61BT11
B
RUN 156K
625K
ERR.
R
MST 2.5M
A
S MST 5M
T
LOCAL 10M
E
CPU R/W
E
SW
R M/S
TEST
T
R PRM
S0
E
TIME
S1
O
S
LINE
S2
R
T
L RUN SD
L ERR. RD
Local
station
Terminal
resistor