Fieldbus control through the embedded fieldbus interface (EFB) 365
Setting up the embedded fieldbus interface
Set the drive up for the embedded fieldbus communication with the parameters
shown in the table below. The Setting for fieldbus control column gives either the
value to use or the default value. The Function/Information column gives a
description of the parameter.
Parameter
Setting for
fieldbus control
Function/Information
COMMUNICATION INITIALIZATION
58.01 Protocol enable Modbus RTU Initializes embedded fieldbus communication.
EMBEDDED MODBUS CONFIGURATION
58.03 Node address 1 (default) Node address. There must be no two nodes
with the same node address online.
58.04 Baud rate 19.2 kbps (default) Defines the communication speed of the link.
Use the same setting as in the master station.
58.05 Parity 8 EVEN 1 (default) Selects the parity and stop bit setting. Use the
same setting as in the master station.
58.14 Communication
loss action
Fault (default) Defines the action taken when a
communication loss is detected.
58.15 Communication
loss mode
Cw / Ref1 / Ref2
(default)
Enables/disables communication loss
monitoring and defines the means for
resetting the counter of the communication
loss delay.
58.16 Communication
loss time
3.0 s (default) Defines the timeout limit for the
communication monitoring.
58.17 Transmit delay 0 ms (default) Defines a response delay for the drive.
58.25 Control profile ABB Drives
(default)
Selects the control profile used by the drive.
See section Basics of the embedded fieldbus
interface (page 368).
58.26
58.27
EFB ref1 type
EFB ref2 type
Speed or
frequency (default
for 58.26),
Transparent,
General,Transpare
nt (default for
58.27) Speed,
Frequency
Defines the types of fieldbus references 1 and
2. The
scaling for each reference type is
defined by parameters 46.01…46.03. With
the Speed or frequency setting, the type is
selected automatically according to the
currently active drive control mode.
58.28
58.29
EFB act1 type
EFB act2 type
Speed or
frequency (default
for 58.28),
Transparent
(default for 58.29),
General, Speed,
Frequency
Defines the types of actual values 1 and 2.
The
scaling for each actual value type is
defined by parameters 46.01…46.03. With
the Speed or frequency setting, the type is
selected automatically according to the
currently active drive control mode.
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