Danfoss FC 300 Interbus Instrucciones de operaciones descargar pdf (Pagina 43)

Example 1:

Par. 3-00 = “-Max - +Max”

Par. 3-03 “Max reference” = 1500 RPM

Reference send = 1500hex (5376 dec)

The output can be calculated as:

Example 2:

Par. 3-00 = “Min - Max”

Par. 3-02 “Min reference” = 100 RPM

Par. 3-03 “Max reference” = 1500 RPM

Reference send = 1500hex (5376 dec)

The output can be calculated as:

8.2.1. LED Behaviour Stopped Interbus Comm.

In case of stopped Interbus communication, a particular behaviour of the “FC bus” –LED can be observed. The behaviour and conditions are as follows:

• Interbus communication is stopped by the Master

• The Interbus option is powered-up while the frequency converter is powered off

• The “FC bus” LED is flashing, indicating baud-rate search

• The frequency converter is powered-up

• The “FC bus” LED turns off, indicating baud-rate found and no FC-bus communication.

NB!

This might be interpreted as failing FC-bus communication, but in fact, the FC-bus comm. is inactive due to the stopped Interbus comm.

This is not a failure.

FC 300 Interbus Operating Instructions 8. Troubleshooting

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Danfoss FC 300 Interbus Instrucciones de operaciones Pagina 43