ABB ACS380 Series User Manual

370 Fieldbus control through the embedded fieldbus interface (EFB)
Setting up the embedded fieldbus interface (Modbus)
To take the Modbus into use
1. Select Modbus RTU from the Control macros menu (see section Submenus on
page 20).
The following parameters change automatically.
You can manually 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.
Modbus parameter settings for embedded fieldbus interface
Parameter Setting
20.01 Ext1 commands Embedded fieldbus
20.03 Ext1 in1 Not selected
20.04 Ext1 in2 Not selected
22.11 Ext1 speed ref1 EFB ref1
22.22 Constant speed sel1 Not selected
22.23 Constant speed sel2 Not selected
23.11 Ramp set selection Acc/Dec time 1
28.11 Ext1 frequency ref1 EFB ref1
28.22 Constant frequency sel1 Not selected
28.23 Constant frequency sel2 Not selected
28.71 Freq ramp set sel Acc/Dec time 1
31.11 Fault reset selection DI1
58.01 Protocol enable Modbus RTU
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.

ABB ACS380 Series Specifications

General

Brand	ABB
Model	ACS380 Series
Category	DC Drives
Language	English