
Fieldbus control through the embedded fieldbus interface (EFB) 353
control panel mode. Make sure the jumper is on the correct position before connect to
fieldbus.
Setting up the embedded fieldbus interface (Modbus)
To take the Modbus into use
1. Select
Modbus RTU
from the Control macros menu (see section
on
).
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.
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
...
Fieldbus controller
Fieldbus
Termination ON
1)
1
) The device at both ends on the fieldbus must have termination set to ON.
...
Termination OFF
Drive
Modbus Mode
Termination OFF
Drive
Modbus Mode
Termination ON
Drive
Modbus Mode
J1
J1
J1
J2
J2
J2
B+
A-
SHI
E
LD
AG
N
D
B+
A-
SHIELD
AGND
B+
A-
SHI
E
LD
AGND
ACS180 FW.book Page 353 Tuesday, March 9, 2021 2:25 PM