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Fieldbus control through the embedded fieldbus interface (EFB) 419
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.
ACS380 FW.book Page 419 Friday, May 4, 2018 4:18 PM
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