Connecting The Fieldbus To The Drive - ABB ACQ580 Firmware Manual

364 Fieldbus control through the embedded fieldbus interface (EFB)
X5
Termination OFF
Bias OFF
CEIA-01
Drive
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.

Connecting the fieldbus to the drive

Connect the fieldbus to terminal X5 on the CEIA-01, which is attached on the control
unit of the drive.
Data flow
Control Word (CW)
References
Status Word (SW)
Actual values
Parameter R/W
requests/responses
X5
Termination OFF
Bias OFF
CEIA-01
Drive
Fieldbus controller
Termination ON
Fieldbus
Process I/O (cyclic)
Service messages (acyclic)
...
Termination ON
Bias ON
CEIA-01
Drive
1)
X5
1)
2)