2111 interbus fieldbus module – Lenze EMF2111IB User Manual
Page 24
Data transfer
Process data channel configuration
5
2111 INTERBUS fieldbus module
5.6
5.6.1
L
5.6-2
EDSIBS-1.0-06/2003
5.6.1
Process data channel configuration
5.6.1.1
Process data transfer
Process data telegrams between INTERBUS master and the controllers
connected to the INTERBUS are divided into:
l
Process data telegrams from drive (PI)
l
Process data telegrams to drive (PO)
)
)
)
)
Note!
As agreed, the data flow is described from the INTERBUS
master’s view:
l
PI data of the INTERBUS master are output data for the
controller.
l
PO data of the INTERBUS master are input data for the
controller.
For the cyclic process data telegram from the drive, the function block to be used
is called AIF-OUT. The status word included in the process data telegram (byte
1 and byte 2) is sent to the INTERBUS master via this function block.
For the cyclic process data telegram to the drive, the function block to be used
is called AIF-IN. The control word included in the process data telegram (byte 1
and byte 2) is sent to the INTERBUS master via this function block.
Process data telegram from
drive
Process data telegram to drive
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