1 Introduction
1.2 External Dimensions and Each Part Name
16
FX
3U
-J1939 User's Manual
1.2.2
Power and status LEDs
*1.
ERROR LED has two kinds of flicker states: single flash, and blinking. This LED flickers as follows.
1.2.3
Terminal layout
LED Name
LED Color
Status
Description
RUN
Green
OFF
Module is offline.
ON
Module is online.
FROM/TO
Green
OFF
PLC is not accessing BFMs in module.
ON
PLC is accessing BFMs in module.
Tx/Rx
Green
OFF
Module is not transmitting or receiving messages.
ON
Module is transmitting or receiving messages.
ERROR
Red
OFF
Normal operation (status)
SINGLE FLASH
*1
Error passive state
For details, refer to Section 12.2
BLINKING
*1
General error
For details, refer to Section 12.2
ON
BUS-OFF state
For details, refer to Section 12.2
POWER
Green
ON
24V DC power is properly supplied from PLC main unit.
Pin No.
Signal
Description
1
CAN_GND
Ground / 0 V / V-
2
CAN_L
CAN_L bus line (dominant low)
3
(CAN_SHLD)
Optional CAN shield
4
CAN_H
CAN_H bus line (dominant high)
5
(CAN_V+)
Optional CAN external positive supply (not connected internally)
CAN_GND
CAN_L
CAN_SHLD
CAN_H
CAN_V+
