Serial communications 141
ACH550-01 User's Manual
The figure below shows the ACH550 fieldbus control.
When using serial communication, the ACH550 can:
• receive all of its control information from the fieldbus, or
• be controlled from some combination of fieldbus control and
other available control locations, such as digital or analogue
inputs, and the control panel (operator keypad), or
• be monitored only (drive signals, status data and I/O).
Fieldbus controller
Other
devices
Slot 2
X1:28…32
Either a plug-in fieldbus adapter
module or the standard serial RS485
interface can be used at a time.
EFB: Standard serial
link RS485
FBA: Fieldbus
adapter (option Rxxx)
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