Function/Information
Setting for fieldbus
control
Parameter
Sets the digital input/output to output
mode.
(default)
11.5 DIO1 function
11.9 DIO2 function
Connects bit 8 of storage parameter
to digital in-
put/output DIO1.
RO/DIO control word
bit8
Connects bit 9 of storage parameter
to digital in-
put/output DIO2.
RO/DIO control word
bit9
Connects storage parameter
to analog output AO1.
Connects storage parameter
to analog output AO2.
PROCESS PID FEEDBACK AND SETPOINT
Connect the bits of the storage paramet-
er (
) to the
digital input/outputs of the drive.
SYSTEM CONTROL INPUTS
Saves parameter value changes (includ-
ing those made through fieldbus control)
to permanent memory.
(reverts to
Basics of the embedded fieldbus interface
The cyclic communication between a fieldbus system and the drive consists of
16-bit data words or 32-bit data words (with the transparent control profiles).
The diagram below illustrates the operation of the embedded fieldbus interface.
The signals transferred in the cyclic communication are explained further below
the diagram.
710 Fieldbus control through the embedded fieldbus interface (EFB)
Содержание ACS880 Series
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