NORD Drivesystems BU0060 - Manual (Page 92)

CANopen – Supplementary manual options for NORD - Frequency Inverters
92 BU 0060 GB-4112
6.1.2 LED display with the technology unit:
The status of the technology unit is indicated by the integrated LEDs:
CANnord LED display
LED Meaning
TxD (green) Transmitting CAN data
RxD (green) Receiving CAN data
Table 27: LED display, CANnord communication status
LED display CANopen
LED Display Meaning
CR (green)
Single flashing (1s) CANopen status STOPPED
Flashing (0.5s) CANopen status PRE-OPERATIONAL
Flashing (0.25s) No other subscriber is in the bus or the wiring is faulty. (only possible
when flashing with CE)
To: CANopen status OPERATIONAL
CE (red)
Off No error
Flashing Bus warning, CAN controller error counter has reached or exceeded
the warning limit.
Check wiring / shielding / termination resistors
No other subscribers available
To: Bus off, CAN controller has disconnected from the bus because a
serious error has occurred, e.g.:
Wiring error
Incorrect baud rate set
Table 28: LED display, CANopen communication status
LED Display Meaning
DR (green)
Off No voltage supply
Flashing Initialisation (init. phase)
On Module OK
DE (red)
Off No error
Flashing (0.2s) Initialisation phase
Flashing (0.5s) Timeout error
Single flashing (1s) Inverter error (see frequency inverter instructions)
To: System error, e.g. plug contact not correct
Table 29: LED display, CANopen module status
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