ABB ACS380 Series User Manual

Fieldbus control through the embedded fieldbus interface (EFB) 369
Connecting the fieldbus to the drive
Connect the fieldbus to the EIA-485 Modbus RTU terminal on the BMIO-01 module
which is attached on the control unit of the drive. The connection diagram is shown
below.
...
Process I/O (cyclic)
Service messages (acyclic)
Data flow
Control Word (CW)
References
Status Word (SW)
Actual values
Parameter R/W
requests/responses
Fieldbus controller
Fieldbus
Drive
Termination ON
1)
1)
The device at both ends on the fieldbus must have termination ON.
2)
One device, preferably at the end on the fieldbus must have bias ON.
Termination &
bias OFF
EIA-485
Drive
Termination &
bias OFF
EIA-485
Drive
Termination &
bias ON
1) 2)
EIA-485

ABB ACS380 Series Specifications

General

Brand	ABB
Model	ACS380 Series
Category	DC Drives
Language	English