Power And Status Leds; Terminal Layout - Mitsubishi Electric MELSEC-F FX3U-CAN User Manual

FX -CAN User's Manual
3U
1.2.2

Power and status LEDs

LED Name LED Color
RUN Green
FROM/TO Green
Tx/Rx Green
ERROR
POWER Green
*1. RUN and ERROR LEDs have four kinds of flicker states: single flash, double flash, blinking, and
flickering.
This LED flickers as follows.
SINGLE FLASH
DOUBLE FLASH
BLINKING
FLICKERING
0.05 s 0.05 s
1.2.3

Terminal layout

CAN_GND
CAN_L
CAN_SHLD
CAN_H
CAN_V+
Status
OFF Layer 2 offline mode
*1
SINGLE FLASH CANopen
*1
BLINKING CANopen
*1
LSS Services in progress
FLICKERING
•
ON
•
OFF PLC is not accessing BFMs in module.
ON PLC is accessing BFMs in module.
OFF Module is not transmitting or receiving CAN messages.
ON Module is transmitting or receiving CAN messages.
OFF No error
At least one of the error counters of the module has reached or exceeded the error
*1
SINGLE FLASH
passive level.
A NMT guarding failure (NMT-Slave or NMT-Master) or a heartbeat failure has
*1
DOUBLE FLASH
Red
occurred.
*1
General error
BLINKING
*1
LSS Services in progress
FLICKERING
ON Module is BUS-OFF state, or CPU error occurs in PLC main unit.
ON 24V DC power is properly supplied from PLC main unit.
0.2 s
0.2 s 0.2 s
0.2 s 0.2 s
Pin No.
1 CAN_GND
2 CAN_L
3 (CAN_SHLD)
4 CAN_H
5 (CAN_V+)
1.2 External Dimensions and Each Part Name
Description
®
STOPPED state
®
PRE-OPERATIONAL state
® ®
CANopen mode: CANopen OPERATIONAL state
Layer 2 mode: Layer 2 online mode
1 s
0.2 s
Signal
Ground / 0 V / V-
CAN_L bus line (dominant low)
Optional CAN shield
CAN_H bus line (dominant high)
Optional CAN external positive supply (not connected internally)
1 Introduction
1 s
Description
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