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EasySync USB2-F-7101 Guía de usuario Pagina 5

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Document Reference No.: ES_000005
USB2-F-7x01 Full-Speed USB to 1-Port CANbus Adapter User Guide
Version 1.32
Clearance No.: ES#02
©2008 - 2011 EasySYNC Ltd. 5
1.2 LED Description
The USB2-F-7x01 uses three LEDs to indicate a valid link as well as CANbus status. The table below uses
the following LED definitions.
ON = LED constantly lit
OFF = LED is constantly not lit
Blinking = 2.5Hz, alternating ON and OFF
Flicker = 10Hz, alternating ON and OFF
Single Flash = Short flash ON (200msec), followed by long off phase (1000msec)
Double Flash = Two short flashes on (200msec) separated by short off phases (200msec),
followed by long off phase (1000msec)
Triple Flash = Three short flashes on (200msec) separated by short off phases (200msec),
followed by long off phase (1000msec)
LED Colour
Function
Description
Yellow
USB
Enumerated
Active LED
State
Description
Off
Inactive
The USB2-F-7x01 has not been
enumerated by the host system.
On
Active
The USB2-F-7x01 has been
enumerated and is ready
Green
RUN
CAN Run LED
State
Description
Blinking
PREOPERATIONAL
The device initialized
Single flash
STOPPED
The device is in state STOPPED
(Channel is Closed)
On
OPERATIONAL
The device is in state OPERATIONAL
(Channel is Open)
Flicker
LISTEN
The device is in state OPERATIONAL
(Channel is Open)
No frames will be transmitted
Note: 3 device minimum requirement
Red
ERR
ERR LED State
Description
Category
Off
No error
The device is in working condition
Blinking
Invalid
Configuration
General configuration error
Single flash
Warning limit
reached
At least one of the error counters of
the CAN controller has reached or
exceeded the warning level (too many
error frames)
On
Bus off
The CAN controller is bus off, and not
involved in CANbus activities
Table 1.1 – LED Description
Upon initial power up, system reboot or executing the (R)eset command, the LEDs will be in the following
state: Yellow LED = ON, Green LED = Single Flash, Red LED = Off.
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