ACH550-UH User’s Manual 147
Serial Communication – EFB
Note! After any changes to the communication settings, protocol must be
reactivated by either cycling the drive power, or by clearing and then restoring the
station Id (5302).
Activate Drive Control Functions – EFB
Controlling the Drive
Fieldbus control of various drive functions requires configuration to:
• Tell the drive to accept fieldbus control of the function.
• Define as a fieldbus input, any drive data required for control.
• Define as a fieldbus output, any control data required by the drive.
The following sections describe, at a general level, the configuration required for
each control function. For the protocol-specific details, see the document supplied
with the FBA module.
Start/Stop Direction Control
Using the fieldbus for start/stop/direction control of the drive requires:
• Drive parameter values set as defined below.
5304 EFB PARITY0
Defines the data length parity
and stop bits to be used with
the RS485 link communication.
• The same settings must be
used in all on-line stations.
0 = 8
N1 – 8 data bits, No parity,
one stop bit.
1 = 8N2 – 8 data bits, No parity,
two stop bits.
2 = 8
E1 – 8 data bits, Even
parity, one stop bit.
3 = 8O1 – 8 data bits, Odd
parity, one stop bit.
Setting (1) is
default when
protocol is
selected.
Setting (0) is default when protocol is
selected.
5305 EFB CTRL PROFILE0
Selects the communication
profile used by the EFB
protocol.
0 = ABB DRIVES – Operation of
Control Word and Status
Word conforms to ABB
Drives Profile.
1 =
ACS550 – Alternate 32 bit
profile (Advanced users
only).
Setting (0) is
default when
protocol is
selected.
N/A. Setting (0) is default when protocol is
selected.
Code Description
EFB Protocol Reference
Modbus N2 FLN BACnet
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