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Detailed Description of the Module
3.1.1
Indicator LEDs
The LEDs are arranged in two groups:
● General LEDs are arranged on the left side.
● LEDs for CAN communication are arranged on the right side.
LED
RUN
ERR.
CAN RUN
CAN ERR
TX/RX
Tab. 3-2:
* The LEDs CAN RUN and CAN ERR have four kinds of flicker states (according to CiA€-303-3 V1.4): single flash, double flash,
blinking, and flickering. These LEDs flicker as follows.
SINGLE FLASH
DOUBLE FLASH
BLINKING
FLICKERING
3 – 2
Color
Status
ON
Green
OFF
ON
Red
OFF
ON
FLICKERING*
Green
BLINKING*
SINGLE FLASH*
OFF
ON
FLICKERING*
BLINKING*
Red
DOUBLE FLASH*
SINGLE FLASH*
OFF
ON
Green
OFF
Indicator LEDs
0.2 s
0.2 s
0.2 s
0.2 s
0.2 s
0.1 s
Fig. 3-2:
Indicator LEDs of the ME3CAN1-L
Description
Normally operating
Hardware error (watchdog timer error) or power failure
An module error has occurred.
Normally operating
CANopen€ mode: The device is in CANopen€ state Operational.
Layer 2 mode: The device is in Layer 2 online mode.
LSS services in progress.
CANopen€ mode: The device is in CANopen state Pre-operational.
The device is in CANopen€ state Stopped.
Layer 2 mode: The device is in Layer 2 offline mode.
The CAN controller is Bus-OFF-state.
The CAN controller has too many transmission errors.
LSS Services in progress.
General error
Error control event
A NMT guarding failure (NMT-Slave or NMT-Master) or a heartbeat fail-
ure (heartbeat consumer) has occurred.
Warning limit reached.
No error
Module is transmitting/receiving CAN message
Module is not transmitting/receiving CAN message
1 s
0.2 s
Part Names
1 s
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