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Fieldbus communication
To configure the embedded fieldbus communication for Modbus RTU, you must set at least these parameters:
Parameter
20.01 Ext1 commands
22.11 Ext1 speed ref1
26.11 Torque ref1 source
28.11 Ext1 frequency ref1
58.01 Protocol enable
58.03 Node address
58.04 Baud rate
58.05 Parity
Other parameters related to the fieldbus configuration:
58.14 Communication loss
action
58.15 Communication loss
mode
58.16 Communication loss
time
Warnings and faults
Warning
Fault
Aux. code
A2A1
2281
Current calibration
A2B1
2310
Overcurrent
A2B3
2330
Earth leakage
A2B4
2340
Short circuit
-
3130
Input phase loss
-
3181
Wiring or earth fault
A3A1
3210
DC link overvoltage
A3A2
3220
DC link undervoltage
-
3381
Output phase loss
-
5090
STO hardware failure
A5A0
5091
Safe torque off
A7CE
6681
EFB comm loss
A7C1
7510
FBA A communication
A7AB
-
Extension I/O
configuration failure
AFF6
-
Identification run
-
FA81
Safe torque off 1
-
FA82
Safe torque off 2
Ratings, fuses and typical power cable sizes
ACQ80-
Nominal ratings
01-...
Input
Nominal
current
Idc
I
I
1
IDC
A
U
=3-phase 400 V or 480 V
N
030kW-4
62
50.78
037kW-4
73
59.79
045kW-4
88
72.07
055kW-4
106
86.81
1) Typical motor power with no overload capacity (nominal use). The kilowatt ratings apply to most IEC 4-pole motors. The
horsepower ratings apply to most NEMA 4-pole motors.
Setting
Description
Embedded
Selects fieldbus as the source for the start and stop commands when
fieldbus
EXT1 is selected as the active control location.
EFB ref1
Selects a reference received through the embedded fieldbus interface
as speed reference 1. Use this parameter with the vector motor control
mode.
EFB ref1
Selects a reference received through the embedded fieldbus interface
as torque reference 1. Use this parameter with the vector motor
control mode.
EFB ref1
Selects a reference received through the embedded fieldbus interface
as frequency reference 1. Use this parameter with the frequency motor
control mode.
Modbus RTU
Initializes embedded fieldbus communication.
1 (default)
Node address. There must be no two nodes with the same node
address online.
19.2 kbps (default) Defines the communication speed of the link. Use the same setting as
in the master station.
8 EVEN 1 (default)
Selects the parity and stop bit setting. Use the same setting as in the
master station.
58.17 Transmit delay
58.25 Control profile
58.26 EFB ref1 type
Description
Warning: Current calibration is done at the next start.
Fault: Output phase current measurement fault.
The output current is more than the internal limit. This can also be caused by
an earth fault or phase loss.
A load unbalance that is typically caused by an earth fault in the motor or the
motor cable.
There is a short-circuit in the motor or the motor cable.
The intermediate DC circuit voltage oscillates due to missing input power
line phase.
Incorrect input and motor cable connection.
Intermediate DC circuit voltage is too high.
Intermediate DC circuit voltage is too low.
All three phases are not connected to the motor.
STO hardware diagnostics has detected hardware failure. Contact ABB.
The Safe torque off (STO) function is active.
Break in embedded fieldbus communication.
Communication lost between drive (or PLC) and fieldbus adapter.
The installed C-type module is not the same as configured, or there is an
error in the communication between the drive and module.
The motor ID run occurs at the next start.
The Safe torque off circuit 1 is broken.
The Safe torque off circuit 2 is broken.
1)
Output
Motor power
current
I
P
N
N
A
kW
hp
62
30
40
73
37
50
88
45
60
106
55
75
58.28 EFB act1 type
58.31 EFB act1 transparent
source
58.33 Addressing mode
Fuses
gG fuse
DC MCBs
(IEC 60269)
ABB type
OFAF000H80
S802PV-S63
OFAF000H100
T1D/PV 160 4p F FC
Cu 1100V DC
OFAF000H100
T1D/PV 160 4p F FC
Cu 1100V DC
OFAF00H125
T1D/PV 160 4p F FC
Cu 1100V DC
58.34 Word order
58.101 Data I/O 1
...
58.114 Data I/O 14
Typical power
Frame
cable sizes, Cu
size
2
mm
3×25 + 16
R4
3×35 + 16
R4
3×50 + 25
R5
3×70 + 35
R5
11
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