
5. PROCEDURES BEFORE SYSTEM OPERATION
MELSEC-A
5-4
5.3
Part Names and Settings
Following is an explanation of the AISJ71PB92D part names and settings.
0F
E
D
C
B
A
98
7 6 5 4 3 2
1
MODE
0:ONLINE 1
1:PRM SET
2:TEST
E:ONLINE 2
RS-232-C
PROFIBUS
I/F
BUS TERMINATION
OFF
ON
A1SJ71PB92D
A1SJ71PB92D
RUN
SD/RD
TOKEN
READY
FROM/TO
PRM SET
RPS ERR.
FAULT
TEST
B6
B5
B4
B3
B2
B1
B0
S
T.
N
O
.
(a)
(a)
(c)
(d)
(e)
(b)
(b)
(c)
(d)
(e)
AJ71PB92D
RUN
SD/RD
TOKEN
READY
FROM/TO
PRM SET
RSP ERR.
FAULT
TEST
B6
B5
B4
B3
B2
B1
B0
S
T
.
N
O
.
0:ONLINE 1
1:PRM SET
2:TEST
E:ONLINE 2
BUS TERMINATION
RS-232-C
PROFIBUS
I/F
OFF
ON
0
F
E
D
C
B
A
9
8
7 6 5 4 3 2
1
MODE
AJ71PB92D
A1SJ71PB92D
No.
Name
Description
Remark
(a)
LED
Displays the AJ71PB92D/A1SJ71PB92D status.
Name
Display description
RUN
Displays the AJ71PB92D/A1SJ71PB92D operation status.
ON: During normal operation
OFF: When there is an error
SD/RD
Flashing during communication with the slave station on the
PROFIBUS network. The flashing interval is the one set to
Data control time of the Master Parameter.
TOKEN
Turns on when token is maintained.
READY
Turns on when the PROFIBUS-DP network subscription
preparation is completed and during subscription.
FROM/TO
Turns on when a FROM/TO instruction from the PLC CPU.
PRM SET
Turns on (PARAMETER SET), when the parameter setting
mode. When flashing during normal operation, the
parameter is not written.
RSP ERR.
Turns on when communication error is occured.
FAULT
Turns on when an error occurs.
TEST
Turns on when a self-diagnosis is executing.
B0 to B6
Displays the station address during normal operation
(Binary).
Displays the test type during a self-diagnosis.