ABB ACQ580 - Connecting the Fieldbus to the Drive

364 Fieldbus control through the embedded fieldbus interface (EFB)
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.
Drive
ON
TERM
ON
BIAS
X5
Termination ON
1)
Bias ON
2)
CEIA-01
Drive
ON
TERM
ON
BIAS
X5
Termination OFF
Bias OFF
CEIA-01
...
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
ON
TERM
ON
BIAS
X5
Termination OFF
Bias OFF
CEIA-01
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.