User`s manual
1-6
1.3 Part Names and Functions
INP-TN5A0202-E
Front Ter minal Block
LOADER
PUM-C
.'&KPFKECVQTNCORU
.QCFGTEQOOWPKECVKQPRQTV
5VCVKQP0Q
EQPHKIWTCVKQPUYKVEJ
+1VGTOKPCNDNQEM
STATION
4
3
2
1
0
F
E
D
C
B
A
9
8
7
6
5
PWR
BUS
RX1
TX1
RX2
TX2
LED Indicator Lamps
LED lamps indicate the following operational conditions.
LED Green Red Orange
PWR
Blinking (0.4-sec. inter-cycle):
No communications with
any modules (inter-module
communication FAULT)
Blinking (0.1-sec. inter-cycle):
Executing initial polling
Waiting communication
during 1:N connection
ON: RUN
ON: No communication with PLC
(inter-PLC communication
FAULT)
Blinking (0.4-sec inter-cycle):
System FAULT (*Note 1)
―
BUS
ON: Inter-module communication
being received
―
ON: Inter-module communication
being sent
RX1
ON: RS-232C/RS-485 being
received
――
TX1 ――
ON: RS-232C/RS-422/RS-485
being sent
RX2 ON: RS-422 being received ――
TX2 ―――
*Note 1: Sources of system faults: EEPROM FAULT, Station No. confi guration SW FAULT, DIP SW FAULT