NORD Drivesystems BU0020 - Manual (Page 90)

PROFIBUS DP – Supplementary manual options for NORD - Frequency Inverters
90 BU 0020 GB-2612
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Module – ID
PROFIBUS=06 hex Module ready
Connection to master
Initialisation active
Reserved (0)
Module error
Timeout error
Reserved (0)
Reserved (0)
LED display with the technology unit:
The status of the PROFIBUS technology unit is indicated by the two built-in LEDs:
Green LED
BR  Bus Ready
Red LED
BE  Bus Error
Meaning
... slow flashing = 1Hz (1s cycle), rapid flashing = 2Hz (0.5s cycle)
ON OFF Normal operation; cyclic transfer of data via the PROFIBUS.
ON ON Faulty operation; e.g. the PPO type was changed during operation.
Slow flashing OFF Process data has not yet been received after switch-on
 e.g. no connection to master
Slow flashing Brief illumination Initialisation of the PROFIBUS module (on switch-on or change to
a Profibus parameter on the frequency inverter)
Slow flashing ON Timeout in process data reception: the Watchdog time
parameterised in the Profibus master has expired without the
reception of new process data for a maximum of 3s (e.g. baud rate
not detected, cable break).
Slow flashing Slow flashing Timeout in process data reception: The time set in P513 has
expired without new process data being received
Slow flashing Rapid flashing software version 3.3 R0 and
above Communication between the
inverter and the PROFIBUS
module has been interrupted.
ON Slow flashing up to software version 3.2 R0
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