Beijer Electronics BFI-E3 Series Installation and operation manual

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Beijer Electronics  a company in the Beijer Electronics Group
Parent Company (Reg. office) Subsidiaries
Beijer Electronics AB Norway, Drammen: Beijer Electronics AS,  [phone]
P.O. Box 426 Denmark, Copenhagen: Beijer Electronics A/S,  [phone]
SE-201 24 MALMÖ, SWEDEN Germany, Nürtingen: Beijer Electronics GmbH,  [phone]
Telephone [phone] UK, Castle Donington: Beijer Electronics Products,  [phone]
Fax [phone] France, Champlan: Beijer Electronics  [phone]
Visiting address: Stora Varvsgatan 13a, Malmö Turkey Istanbul: Beijer Electronics ve Ticaret A.s  0090 216 366 32 0200
Beijer Electronics Frequency Inverter BFI-E3 KI00369B 2019-09
1 Start-up document
This document is a simple start-up guide describing basic functionality of the drive BFI-
E3, firmware 3.08. Detailed explanations are to be read in User Manual BFI-E3 and is
attached with the drive itself. but also possible to download from www.
beijerelectronics.se or .no or .dk or .de or .com or .com .tr/ or .tw or .co.uk/
2 Important Safety Information
Read IMPORTANT SAFETY INFORMATION below, especially Warnings and Caution.
Danger : Indicates a risk of electric shock, which, if not
avoided, could result in damage to the equipment and
possible injury or death.
Danger : Indicates a potentially hazardous
situation other than electrical, which if not
avoided, could result in damage to property.
This variable speed drive product is intended for professional incorporation into complete equipment or systems as part of a fixed installation. If installed
incorrectly it may present a safety hazard. The BFI uses high voltages and currents, carries a high level of stored electrical energy, and is used to control
mechanical plant that may cause injury. Close attention is required to system design and electrical installation to avoid hazards in either normal operation
or in the event of equipment malfunction. Only qualified electricians are allowed to install and maintain this product.
System design, installation, commissioning and maintenance must be carried out only by personnel who have the necessary training and experience.
They must carefully read this safety information and the instructions in this Guide and follow all information regarding transport, storage, installation and
use of t
he
B
FI
, including the spe
cified environmental limitations.
Do not perform any flash test or voltage withstand test on the
BFI
. Any electrical measurements required should be carried out with
BFI
disconnected.
Electric shock hazard! Disconnect and ISOLATE the BFI before attempting any work on it. High voltages are present at the terminals and within the
drive for up to 10 minutes after disconnection of the electrical supply. Always ensure by using a suitable multimeter that no voltage is present on any
driv
e power terminals pri
or to commencing any work.
Where supply to the drive is through a plug and socket connector, do not disconnect until 10 minutes have elapsed after turni
ng off the supply.
Ensure correct earthing connections. The earth cable must be sufficient to carry the maximum supply fault current which normally will be limited by the
fuses or MCB. Suitably rated fuses or MCB should be fitted in the mains supply to the drive, according to any local legislation or codes.
Do not carry out any work on the drive control cables whilst power is applied to the drive or to the external control circuits.
Within the European Union, all machinery in which this product is used must comply with Directive 98/37/EC, Safety of Machinery. In particular, the
machine manufacturer
is responsible for providing a main switch and ensuring the electrical equipment complies with EN60204
-
1.
The level of integrity offered by the BFI control input functions – for example stop/start, forward/reverse and maximum speed is not sufficient for use in
safety-critical applications without independent channels of protection. All applications where malfunction could cause injury or loss of life must be
subject to a risk assessment and further protection provided where neede
d.
The driven motor can
start at power up if the enable input signal is present.
The STOP function does not remove potentially lethal high voltages. ISOLATE the drive and wait 10 minutes before starting any work on it. Never carry
out any work on the D
rive
, Motor or Motor cabl
e whilst the input power is still applied.
The BFI can be programmed to operate the driven motor at speeds above or below the speed achieved when connecting the motor directly to the mains
supply. Obtain confirmation from the manufacturers of the motor and the driven machine about suitability for operation over the intended speed range
prior to machine start up.
Do not activate the automatic fault reset function on any systems whereby this may cause a potentially dangerous situa
tion
.
The BFI has an In
gress Protection rating of IP20 or IP66 depending on the model.
IP20 units must be installed in a suitable enclosure.
When mounting the drive, ensure that sufficient cooling is provided. Do not carry out drilling operations with the drive in place, dust and swarf from
drilling may lead to damage.
BFI
are intended for indoor use only.
The entry of conductive or flammable foreign bodies should be prevented. Flammable material should not be placed close to the drive
Relative humi
dity
must be less than 95
% (non
-
condensing).
Ensure that the supply voltage, frequency and no. of phases (1 or 3 phase) correspond to the rating of the
BFI
as delivered.
Never connect the mains power supply to the Output terminals U, V, W.
Do not ins
tall
any type of automati
c switchgear between the drive and the motor
Wherever control cabling is close to power cabling, maintain a minimum separation of 100 mm and arrange crossings at 90 degrees
Ensure that all terminals are tightened to the appropria
te t
orque setting
Do not attempt to carry out any repair of the BFI. In the case of suspected fault or malfunction, contact your local Beijer Electronics office for further
assistance.

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3 Contents
1 START-UP DOCUMENT 1
2 IMPORTANT SAFETY INFORMATION 1
3 CONTENTS 2
4 INSTALLATION 3
4.1 PHYSICAL DIMENSIONS IP20 ...................................................................................................................................... 3
4.2 PHYSICAL DIMENSIONS IP66 ...................................................................................................................................... 4
4.3 FUSES, CABLE DIMENSIONS AND POWER LOSES ........................................................................................................ 5
4.4 OVERVIEW POWER INPUT AND OUTPUT TERMINALS .................................................................................................. 5
4.5 INSTALLATION OF POWER SUPPLY, GROUNDING AND MOTOR CABLE ........................................................................ 6
4.6 BRAKE TRANSISTOR AND EXTERNAL BRAKE RESISTOR ............................................................................................. 7
4.7 OVERVIEW CONTROL INPUTS/OUTPUTS ..................................................................................................................... 8
5 BASIC PARAMETER SETTING 9
5.1 DIGITAL START IN 2 DIRECTIONS AND 4 FIXED PRESET SPEEDS ............................................................................... 9
5.2 DIGITAL START IN 2 DIRECTIONS AND ANALOG FREQUENCY SET POINT .................................................................. 10
5.3 DIGITAL MOTOR POTENTIOMETER ............................................................................................................................ 10
5.4 DIGITAL START SIGNAL AND FREQUENCY SET POINT BY LED DISPLAY ................................................................... 11
5.5 START/STOP BY INDIVIDUAL SIGNALS ....................................................................................................................... 11
5.6 CONTROL FROM LED DISPLAY ................................................................................................................................. 11
5.7 ANALOG OUTPUT, 0-10 VDC ................................................................................................................................... 12
5.8 DIGITAL OUTPUTS ..................................................................................................................................................... 12
5.9 STYRNING AV MEKANISK HÅLLBROMS I MOTORN ..................................................................................................... 12
5.10 PTC-THERMISTOR .................................................................................................................................................... 12
5.11 VECTOR CONTROL WITH STANDARD INDUCTION MOTOR ......................................................................................... 13
5.12 CURRENT LIMIT CONTROL......................................................................................................................................... 13
5.13 TUNING OF PM-MOTOR ............................................................................................................................................ 13
5.14 MODBUS RTU .......................................................................................................................................................... 14
5.15 CANOPEN ................................................................................................................................................................. 15
5.16 PI-CONTROL ............................................................................................................................................................. 16
5.17 ENERGY OPTIMIZATION FUNCTION ........................................................................................................................... 16
5.18 SPIN START ............................................................................................................................................................... 17
5.19 BFI-SMARTSTICK...................................................................................................................................................... 17
6 KEYPAD 18
6.1 MONITORING FROM KEYPAD .................................................................................................................................... 19
6.2 IP66, MAIN SWITCH, START/STOP SWITCH AND POTENTIOMETER .......................................................................... 20
6.3 EMC-FILTER ............................................................................................................................................................. 20
7 SPECIFICATION 21
8 WARNING AND ALARM CODES 22
Copyright © Beijer Electronics, 2017
This software/documentation/information (below referred to as ‘the material’) is the property of Beijer
Electronics. The holder or user has a non-exclusive right to use the material.
The holder is not allowed to distribute the material to anyone outside his/her organization except in cases
where the material is part of a system that is supplied by the holder to his/her customer.
The material may only be used with products or software supplied by Beijer Electronics. Beijer Electronics
assumes no responsibility for any defects in the material, or for any consequences that might arise from the
use of the material.
It is the responsibility of the holder to ensure that any systems, for whatever applications, which is based on
or includes the material (whether in its entirety or in parts), meets the expected properties or functional
requirements.
Beijer Electronics has no obligation to supply the holder with updated versions.

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4 Installation
The drive should be mounted in a vertical position only on a flat, flame resistant vibration
free mounting using the integral holes. IP66 is allowed for outdoor mounting. But it is
recommended having an external roof to avoid snow directly on drive. BFI will not start if
ambient temperature is below -20°C. See User Manual BFI-E3 for more details.
4.1 Physical dimensions IP20
BFI-E3- IP20
Drive
size
A
Height
[mm]
B
[mm]
C
[mm]
D
[mm]
E
[mm]
F
Depth
[mm]
G
Width
[mm]
H
[mm]
I
[mm]
J
[mm]
Weight
[kg]
1 x 230 V 3 x 380-480 V
0023-
0070
[0,37-1,5 kW]
0022-0041 [0,75-1,5kW]
1 173 160 109 162 5 123 83 50
5,5 10
1,0
0070-
0105
[1,5-2,2 kW]
0041-0095 [1,5-4,0 kW]
2 221 207 137 209 5.3 150 110 63 1,7
0153/ 4,0 kW
0140-0240 [5,5-11kW] 3 261 246 - 247 6 175 131 80 3,2
No 0300-0460 [15-22kW] 4 420 400 - 400 8 212 171 125 8,2
14,8 9,1
No 0610-0720 [30-37kW] 5 486 463 226 222 175 18,1
NOTE
1x230 BFI-E3-0070 and BFI-E3-0041 are without brake transistor for Size 1 and Size2 with.
Mounting bolts for Size1 to Size 3 are 4xM4 and 4xM8 for Size4 and Size5.
Control Terminal Torque Settings of 0.8Nm.
Power Terminal Torque Settings: Size1-3 = 1 Nm, Size4=2.0 Nm, Size5=4.0 Nm.
Drive IP-class
and
Size
X [mm]
Above &
Below
Y [mm]
Either
Side
Z [mm]
Between
drives
Minimum
Airflow
[m3/min]
IP20, size 1 50 50 33 0,14
IP20, size 2 75 50 46 0,27
IP20, size 3 100 50 52 0,74
IP20, size 4 100 50 52 1,48
IP20, size 5 200 25 70 1,28
IP66, All sizes 200 10 0 0
Z means that BFI can be mounted side-by-side. Minimum airflow is
based on maximum output power at 50°C for IP20 and 40°C for IP66.

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4.2 Physical dimensions IP66
BFI-E3- -IP66 Drive
size
A
Height
[mm]
B
[mm]
D [mm]
E
[mm]
F
Depth
[mm]
G
Width
[mm]
H
[mm]
I
[mm]
J
[mm]
Weight
[kg]
1 x 230 V 3x380-480 V
0023-0070
[0,37-1,5 kW]
0022-0041
[0,75-1,5 kW] 1 232 207 189 25.0 162 161 149 4.0 8.0 2,5
0070-
0105
[1,5-2,2 kW]
0041-0095
[1,5-4,0 kW] 2 257 220 200 28.5 182 188 176 4.2 8.5 3,5
0153
[4,0 kW]
0140-0240
[5,5-11 kW] 3 310 277 251,5 33.4 238 210 197.5 4.2 8.5 7,0
0300-018
0
[15-18 kW] 4 360 300 33.4 275 240 9,5
NOTE
1x230 V BFI-E3-0070 and 3x400 V BFI-E3-0041 are without brake transistor for Size 1 and Size2
with.
Mounting bolts for Size1 to Size 3 are 4xM4 and 4xM8 for Size 4.
Control Terminal Torque Settings of 0.8Nm. Power Terminal Torque Settings is of 1 Nm.
IP66 drives are fitted with 3 knockout holes for cable inlet and outlet. If more than 3 cables are
to enter the drive it is possible to have two or more cables going through one gland. This is to
ensure IP66.
Holes and recommended glands are listed in table below. The motor cable does not have to be
attached to the drive with an EMC-gland.
Cable Gland, IP66 Hole Size & recommended glands
Hole sizes Gland PG
Size 1 3 x 22mm 3 x PG13,5
Size 2 & 3 1 x 22mm and 2 x 27 mm 1 x PG13,5 and 2 x PG21
Size 4 1 x 22mm and 2 x 40 mm 1 x PG13,5 and 2 x PG29

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4.3 Fuses, cable dimensions and power loses
200-240V ±10% - Single Phase Input – 3 Phase Output
Output
Power [kW]
BFI-E3
model
Nominal
Input
Current
Fuse or
MCB
(type B)
Supply
Cable Size,
A1 40°C
Supply
Cable Size,
E 30°C
Nominal
Output
Current
Motor
Cable Size,
E 30°C
Max Motor
Cable
Length
Power
losses
Amps Amps mm
2
mm
2
Amps mm
2
m W
0.37 0023 3,7 10 1,5 1,5 2,3 1,5 100 12
0.75 0043 7,5 10 2,5 1,5 4,3 1,5 100 22,5
1.5 0070 12,9 16 2,5 2,5 7,0 1,5 100 50
2.2 0105 19,2 25 6 2,5 10,5 1,5 100 66
4,0 0153 29,2 32 6 4 15,3 1,5 100 120
380-480V ±10% - 3 Phase Input – 3 Phase Output
Output
Power [kW]
BFI-E3
model
Nominal
Input
Current
Fuse or
MCB
(type B)
Supply
Cable Size,
A1 40°C
Supply
Cable Size,
E 30°C
Nominal
Output
Current
Motor
Cable Size,
E 30°C
Max Motor
Cable
Length
Power
losses
Amps Amps mm
2
Amps Amps mm
2
m W
0.75 0022 3,5 6 1.5 1.5 2.2 1.5 100 22,5
1.5 0041 5,6 6 1.5 1.5 4.1 1.5 100 50
2.2 0058 7,5 10 1.5 1.5 5.8 1.5 100 50
4 0095 11,5 16 2.5 1,5 9.5 1.5 100 120
5.5 0140 17,2 25 4 2,5 14 1.5 100 165
7.5 0180 21,2 25 4 2,5 18 2,5 100 225
11 0240 27,5 32 6 4 24 4 100 330
15 0300 34.2 50 16 6 30 6 100 450
18.5 0390 44.1 50 16 6 39 10 100 550
22 0460 51.9 63 25 10 46 16 100 660
30 0610 64 80 35 16 61 16 100 900
37 0720 76 80 35 16 72 16 100 1110
Recommended choice of cable sizes and fuses follows DIN VDE 0100 paragraph 430
Appendix1, motor cable is copper, way of wiring A1 and E is following SS 424 24 24 edition.
A1 means cable/conductors in some kind of duct in a maximum temperature of 40°C. E means
cable/conductors mounted on a ladder. Calculated at 30°C with 9 or several cables(correction
factor 0,78). All recommended sizes of cable sizes and fuses are recommendations. National
laws and recommendations are to be considered.
4.4 Overview power input and output terminals
Size 1 Connections
IP20 IP66 (Nema 4X)
Size 2 & 3 & 4 & 5 Connections
IP20 IP66 (Nema 4X)

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4.5 Installation of power supply, grounding and motor cable
 Drive is to be connected with ground/PE by separate grounding wire.
 1-phase power supply should be connected to L1/L, L2/N.
 3-phase power supply should be connected to L1, L2 and L3.
 Phase sequence of power supply is not important and cable doesn’t have to be a shielded.
400V
230V
690V
400V
S
TAR
DELTA
 Motor cable must be a shielded cable to fulfill EMC requirements. Example of cables to be
used are RKFK, Ölflex Classic 100 CY, FKKJ-EMC, or similar.
 Shield of the motor cable should be connected to ground/earth in both ends. On motor side
an EMC-gland is to be used.
 Shield of motor cable is to be connected to ground terminal in the drive itself. For IP20
drives the shield can instead be clamped to the mounting plate with a clip.
 Motor must also be well attached into the mechanical frame of the machinery and have the
same potential as the electrical cabinet. Separate earth connection might be necessary.
 Motor cable should avoid to be installed close to telephone-, network- or signal wiring.
Minimum distance is 30 cm.
M ~
U
V
W
L1/N
L2/N
L3
 Protective grounding of motor is connected to drive
 Motor cable should be connected to U, V, W.
 Inverter Power supply 3*400 VAC:
- Rated voltage of motor 230/400, Star connection
- Rated voltage of motor 400/660, Delta connection
 Inverter Power supply 1*230 VAC
- Rated voltage of motor 230/400, Delta connection

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4.6 Brake transistor and external brake resistor
If a larger amount of regenerate power is being produced than the BFI can handle at stop function AC
Flux Braking can be used. Means that motor is being over excitated during stop and used as brake
resistor. Note that heat of motor will increase and it only works during deceleration. Put parameter P-
05=3 to activate AC Flux braking.
If AC Flux braking is not enough BFI from Size2 has a dynamic brake transistor and an optional
external braking resistor can be connected to +DC and BR when required. The brake resistor circuit
should be protected by a suitable thermal protection circuit. The –DC, +DC and BR connections are
blanked off by plastic tabs when sent from the factory. The plastic tabs can be removed if/when
required.
Table shows models with built-in brake transistor suggestion of brake resistors.
- Internal resistor, OD-BR100-BFI is mounted inside BFI IP20 and is activated and
protected from overload by setting of P34=1.
- External resistor must always be used together with a slow external overload
protection and P34=2. Table shows setting current of the external overload
protection.
Drive model
Minimum resistance
when regenerated
power is equal with
BFI power [ohm]
Brakeresistor to be used
Voltage BFI-E3 Name
Setting
overload
protection
Power resistor [kW] Resistans
[ohm]
Medel Peak for
0,125 sec
1-phase
230 VAC
0070[1,5kW] 101 OD-BR100-BFI P34=1 0,2 12 100
0105[2,2kW]
69 OD-BR100-BFI P34=1 0,2 12 100
BSD600R75-4 2,8 A 0,6 75
0153[4,0kW] 25 OD-BR100-BFI P34=1 0,2 12 100
3-phase
400 VAC
0041[1,5kW]
406
OD-BR100-BFI P34=1 0,2 12 100
2 BSD600R140-4
connected in serial 2,1 A 1,2 - 280
0058[2,2kW]
277
OD-BR100-BFI P34=1 0,2 12 100
2 BSD600R82-4
connected in seriell
2,7 A 1,2 - 164
0095[4,0kW]
152 OD-BR100-BFI P34=1 0,2 12 100
BSD600R140-4 2,1 A 0,6 - 140
0140[5,5kW]
111 OD-BR100-BFI P34=1 0,2 12 100
BSD600R82-4 2,7A 0,6 - 82
0180[7,5kW]
81 OD-BR100-BFI P34=1 0,2 12 100
BSD600R75-4 2,8 A 0,6 - 75
0240[11 kW]
55
OD-BR100-BFI P34=1 0,2 12 100
2 BSD-600R140-4
connected in parallel 4,1 A 1,2 - 70
0300 [15kW] 41
2 pieces of BSD-
2000R13-4 connected
in serial
12,4 A 4,0 - 26
0390 [18kW] 33
0460[22kW] 28
0610[30kW] 21
0720[37kW] 17
If other brake resistor than OD-BR100-BFI is used an external overload protection must be connected
between BFI and resistor. Put parameter P34=2 and design the protection using below formula:
Setting of external overload protection = I = √P/R

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4.7 Overview control inputs/outputs
Picture below shows an overview of control signals for the drive and factory set functionality
when the internal 24 VDC of the BFI is being used.
Picture below shows an overview of control signals for the drive and factory set functionality
when an external 24 VDC is being used.
2
3
4
5
6
7
1
DI1: Start signal
DI2: Fwd or Rev riktning
DI3: Preset speed1
+24 VDC
AI1:Analog referens
+10 VDC
8
9
0-10 V output,
Motor speed
0 VDC
0 V reference
Relay Output,
No Alarm
10
11
Extern 0V
24 VDC
2
3
4
5
6
7
1
DI1: Start signal
DI2: Fwd or Rev direction
DI3: Preset speed1
+24 VDC
AI1:Analog reference
+10 VDC
8
9
0-10 V output,
Motor speed
0 VDC
0 V reference
Relay Output,
No Alarm
10
11

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5 Basic Parameter setting
The basic parameter setting that always is to be checked or modified is listed below:
Para-
meter
Name Default
settng
To be set Function
P-01
Maximum Frequency 50 Hz If P-10, Motor rated speed, ≠ 0 unit is rpm instead of Hz.
P-02
Minimum Frequency 0 Hz Set to some few Hz to ensure torque in motor. If P-10, Motor
rated speed, ≠ 0 unit is rpm instead of Hz.
P-03 Acceleration Time 5,0 sec Acceleration ramptime from 0 to 50 Hz.
P-04 Deceleration Time 5,0 sec Deceleration ramptime from 50 to 0 Hz.
P-07 Motor Rated Voltage 230/400 V Put rated voltage of motor from motor nameplate in unit V.
P-08 Motor Rated Current - Put rated current of motor from motor nameplate in unit A.
P-09 Motor Rated Frequency 50 Hz 50 Hz Put rated frequecy of motor from motor nameplate in unit Hz.
P-12 Command Source 0 0 0: Control by digital and/or analog signals.
1: Control from Keypad.
P-13 Operating Mode select 0
0: Industrial Mode => 150% overload and constant torque.
1: Pump mode => 110 % overload and variable torque.
2: Fan mode => 110 % overload, Spin start, variable torque.
P-14 Parameter Access 0 201 Normally only parameters P-01 to P-14 are accessable. All
other parameters are accessable with this P14=201.
P-17 Switching Frequency 8 or 16 kHz Keep as low as possible. Higher value decreas audible noise in
motor but increase losses in drive.
5.1 Digital start in 2 directions and 4 fixed Preset speeds
Para-
meter
Name
Default
settng
To be set Function
P-12 Command Source 0 0 0= Control by digital and analog signals.
P-15 Input Selection 0 8 or 9 8 = Startsignal / Direction signal / Digital setspeed.
9 = Start Forward / Start Reverse / Digital setspeed.
P-20 Preset Speed 1 5,0 Hz Can be set between P-02 (Minimum speed) and P-01 (Maximum speed).
If P10=0 then values are entered in Hz.
If P10>0 values are entered as rpm.
P-21 Preset Speed 2 25,0 Hz
P-22 Preset Speed 3 40,0 Hz
P-23 Preset Speed 4 50,0 Hz
Status Action
DI1 DI2 DI3 AI1
P15 = 8 P15 = 9
0 0 any any No output from drive
0 1 0 0
No output from drive
Reverse & PreSpeed 1
0 1 1 0 Reverse & PreSpeed 2
0 1 0 1 Reverse & PreSpeed 3
0 1 1 1 Reverse & PreSpeed 4
1 0 0 0 Forward & PreSpeed 1 (P-20)
1 0 1 0 Forward & PreSpeed 2 (P-21)
1 0 0 1 Forward & PreSpeed 3 (P-22)
1 0 1 1 Forward & PreSpeed 4 (P-23)
1 1 0 0 Reverse & PreSpeed 1
No output from drive
1 1 1 0 Reverse & PreSpeed 2
1 1 0 1 Reverse & PreSpeed 3
1 1 1 1 Reverse & PreSpeed 4
2
3
4
6
1
DI1: Start signal
DI3: Preset speed
+24 VDC
AI1: Preset speed
DI2: Direction

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5.2 Digital start in 2 directions and analog frequency set point
Start of drive is done by either Start- and Direction signals or Start Forward/Start Reverse. Third
digital input decides whether Preset speed1, P-20 or analog input is valid. If 4-20 mA is to be used
current must flow into terminal 6 and out on terminal 7.
Para-
meter
Name Default
settng
To be
set
Function
P-01
Maximum Frequency 50 Hz Maximum output frequency. If P-10 Motor rated speed, ≠ 0 unit is rpm.
P-02
Minimum Frequency 0 Hz Minimum output frequency. If P-10, Motor rated speed, ≠ 0 unit is rpm instead
of Hz. P-02 will be output frequency at 0 V or 4 mA setpoint.
P-12 Command Source 0 0 0= Control by digital and analog signals.
P-15 Input Selection 0 0 = Digital Startsignal / Digital Direction signal / Analog setspeed.
5 = Start Forward / Start Reverse / Analog setspeed.
P-16 Analog Input 1
Configuration U 0-
10
Type of
analog
input
decides
U 0-10 = 0 to 10 VDC,
A 0-20 = 0 to 20mA.
b-10-10 = -10 to 10 VDC. Sign decides rotationdirection.
t 4-20 = 4 to 20mA. Trip if signal level < 3mA.
r 4-20 = 4 to 20mA, Stop and Trip if signal level < 3mA.
t 20-4
=
20 to 4mA, Trip if signal level falls < 3mA.
P-20 Preset Speed 1 5,0 Hz Can be set between 0 to P-02 setting ( Maximum speed) .
P-35 Analog Input Scaling 100 %
Output frequency = P1 * (P35/100) * (Analog input value/ max input of P-16) .
Exampel: P-01=50 Hz, P-35=100 %, P-16= 0-10 V and Actual voltage
input is
7,5 V. Output frequency = 50 x (100/100) x (7,5/10) = 37,5 Hz.
5.3 Digital motor potentiometer
Digital motor potentiometer will work if P31 is put to 2, 3, 6 or 7.
Status Action
DI1 DI2 DI3
P15 = 0 P15 = 5
0 0 any No output from drive
0 1 0 No output from drive Reverse & Analog speed
0 1 1 Reverse & PreSpeed 1
1 0 0 Forward & Analog speed Forward & Analog speed
1 0 1 Forward & PreSpeed 1 Forward & PreSpeed 1
1 1 0 Reverse & Analog speed No output from drive
1 1 1 Reverse & PreSpeed1
Status Action
DI1 DI2 DI3 AI1
P12=2 & P15 = 0
0 any any any No output from drive
1 0 0 0 Forward & Latest speed
1 1 0 0 Forward & Increase speed
1 0 1 0 Forward & Decrease speed
1 0 0 1 Reverse & Latest speed
1 1 0 1 Reverse & Increase speed
1 0 1 1 Reverse & Decrease speed
2
3
4
6
1
DI1: Start signal
DI3: Decrease speed
+24 VDC
AI1: Direction
DI2: Increase speed
DI2: Direction
2
3
4
5
6
7
1
DI1: Start signal
DI3: Preset speed1
0 VDC
+24 VDC
Analog reference
+10 VDC
4-20
mA

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5.4 Digital start signal and frequency set point by LED display
Connect terminal 2 with terminal 1 to give digital start signal forward and terminal 3 to 1 for
digital start signal reverse.
Output frequency can be increased and decreased by push button ”Up” and ”Down”. In
parameter P-31 the start speed can be decided either latest speed or minimum speed.
Para-
meter
Name Default
settng
To be set Function
P-12 Primary Command 0 1 Start by connecting terminal 1 and 2.
P-15 Digital Input function
selection 0 8
8: Start signal forward on terminal 2 och start signal reverse on
terminal 3. If both terminal 2 and 3 are on deceleration time in P-
24 is used.
P-30 Terminal restart mode
Edge-r
Edge-r: Startsignal on terminal 2 is activated by positive edge.
After power on must terminal go from 0 VDC to 24 VDC.
Auto-0 = Jumper between 1 and 2 or 1 to 3 starts aleays the
motor.
P-31 Keypad function 1 2: Motor accelerete to minimal frequency, P-02, at start.
3: Motor accelerete to latest speed before stop.
5.5 Start/stop by individual signals
Start is done by a pulse on one terminal and stop on a second one. Third input decides if
frequency set point is to be analogue or a PresetSpeed in P-20. If 4-20 mA signals is to be used
current must enter terminal 6 and back from terminal 7.
5.6 Control from LED display
Connect terminal 2 with terminal 1 to give digital start signal. Then set parameters as below:
Para-
mete
r
Name Default
settng
To be set Function
P-12 Primary Command 0
Start activated by green start button and stop by red Stop button.
Speed is increased by ”Up-button” and decreased by ”Down-
button”.
1: Motor can only run in one direction.
2: Motor can run in two directions. Rotation direction is changed
by pushing green start button twice.
P-31 Keypad function 1 0: Motor accelerete to minimal frequency, P-02, at start.
1: Motor accelerete to latest speed before stop.
Status Action
DI1 DI2 DI3
P12 = 0 and P15=10
- 0 - No output from drive or deceleration to 0 Hz.
1 ↑ 1 0 Running with analogue frequecy set point.
1 ↑ 1 1 Running with PresetSpeed 1 in P-20.
DI2: Stop
2
3
5
6
7
1
DI1: Start pulse
DI3: Preset speed1
0 VDC
+24 VDC
Analog reference
+10 VDC
4-20
mA
4

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5.7 Analog output, 0-10 VDC
Between terminal 8 and 9 an analog output of 0-10 VDC is generated. Maximum load is 20 mA.
5.8 Digital outputs
Terminal 8 generates 0 or 24 VDC output without any external 24 VDC power supply.
5.9 Styrning av mekanisk hållbroms i motorn
A mechanical brake inside the motor should be controlled directly from the inverter.
 If relay output on terminal 10 and 11 is used: Set P-18=4 and frequency release level in
P-19. P-19 is set in % of P-01, Maximum frequency.
 If transistor output on terminal 8 and 9 is used: Set P-25=4 and frequency release level in
P-19. P-19 is set in % of P-01, Maximum frequency.
For example if P-01=50: P-19=5 % means break release at 50 x 0,05= 2,5 Hz.
5.10 PTC-thermistor
Para-
meter
Name
Default
setting
Function
P-25
Analog
Output
Function
8
8: Output Frequency: 0 to 100% = 0-10 V => 0 to
P-01 Hz.
9: Output Motor Current: 0 to 200% = 0-10V => 0
to P-08 A.
10: Motor Power: 0 to 200% = 0-
10V => 0 to
Rated inverter power kW.
11: Load current: 0-200% = 0-10V => 0 till P-08,
Current used producing torque on motor shaft.
Parameter
Default
setting
Function
P-18:
Relay
Output
Function
Terminal
10 and 11
P-18=1
0: Drive Enabled or running.
1: Drive Healthy. Power applied to the drive and no fault.
2: At Target Frequency. Output frequency matches the set
frequency.
3: Drive Tripped and in a fault condition
4: Output Frequency >= Limit. Logic 1 when the output
frequency is > limit set in P-19.
5: Output Current >= Limit. Logic 1 when the motor current is >
limit set in P-19.
6: Output Frequency < Limit. Logic 1 when the output frequency
is < limit set in P-19.
7: Output Current < Limit. Logic 1 when the motor current is <
limit set in P-19.
8: Analog input2 > Limit Logic 1 when analog input2 > P-19 (not
available in P-25).
9: Drive ready to run Logic 1 when BFI is ready to run (not
available in P-25)
P-25:
Analog
Output
Function
Terminal
8 and 9
P-25=8
4
1
DI3: External Trip
+24 VDC
8
9
0-10 V Output
0 V reference
Relay
Output
8
9
Transistor
Output
Output
10
11
0 V
A motor thermistor, PTC Type 2,5 kΩ, is to be
connected between terminals 1 and 4. BFI will
trip with open contact or a resistance above 2.5
kOhm.
Set P-15=3 and P-47 = “Ptc-th".
Input is not ATEX approved.

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5.11 Vector control with standard induction motor
Vector control is a built in function that gives additional torque at low speed and also makes
motor speed constant even though load of the motor fluctuates.
Vector control is based on a mathematical description of motor characteristic. BFI-E3 can by this
calculated actual speed of the motor. Vector control is activated by default and based on a motor
with the same kW as the BFI. With another motor type or if the performance is to be optimized
an auto tuning can be done. This is done by setting of parameters below:
 Open up parameters P-14=201
 Rated motor voltage in P-07 [V].
 Rated motor current in P-08 [A].
 Rated motor frequency in P-09 [Hz].
 Industrial application in P-13=0.
 Standard Induction motor with P-51=0.
 Start auto tuning by setting P-52=1, it starts immediately when parameter is changed.
Autotuning can ONLY be started by setting P52=1 on the Keypad!
When auto tuning is done measured values are stored in parameter P-55, P-56 and P-57. Auto
tuning only needs to be done once.
If motor creates strange sound, weak torque performance and speed is not stable, change Gain of
the speed controller, P-53. Increased value gives faster response but increase risk for instability.
5.12 Current limit control
Parameter P-54 (default setting is150%) contain the maximum amount of current to be sent to
motor. If current limit is reached BFI will try to decrease motor current by adjusting output
frequency. During constant speed output frequency will automatically decrease and during
acceleration the acceleration time will automatically increase.
A too large setting of P-54 might cause trip of BFI because it does not get enough time to make
the output frequency adjustment.
5.13 Tuning of PM-motor
Always make an auto tuning of a PM-motor, see Vector control, 5.10. Also set following
parameters:
 Open up parameters P-14=201
 Rated motor frequency in P-09 [Hz]=Rated speed [rpm] x Number of poles/120
 PM-motor Speed control, P-51=2
 Start auto tuning by setting P-52=1, it starts immediately when parameter is changed.
Check after auto tuning that measured resistance and inductance values correspond towards
datasheet of the motor. To improve torque performance at low speed, increase P-11 carefully.

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5.14 Modbus RTU
A Modbus RTU network with BFI-E3, BFI-H3 or BFI-P2 is connected as below:
BFI-E3 IP66 has two RJ45 female built-in and by that does not need OPT-2-J45SP-BFI.
Settings in BFI-E3 are speed setting is 115 200 bit/sec, 8 data bits, 1 stop bit, No Parity.
Hardware Function Comment
CAB 114 Shielded cable with one RJ45 and 3 wires
marked SDA, SDB and SG for screwterminals.
Cable length 3 m. Modbus RTU- pin7 and
Modbus RTU+ pin8 in BFI.
CAB 113 Shielded cable with one RJ45 for BFI and one 9-
pole D-sub for X2 panels.
Cable legth 3 m. Built-in 120 ohm resistor in D-sub
between pin7 and pin8.
OPT-2-J45SP-BFI T-Connection of 2 serial cables into one drive. RJ45 male to BFI and 2 female RJ45 for network
connection
OPT-2-RJTRM-BFI RJ45 with a 110 ohm resistor. To be put in the last BFI-splitter.
Para-
meter
Name Default
settng
Recommended
setting
Function
P-12 Command Source 0 3 3= Control by Modbus RTU and ramptime in P-03 and P-04.
4= Control by Modbus RTU and ramptime sendt by Modbus.
P-14 Parameter Access 0 201 201 = Parameters above P-14 accessable.
P-24 Fast Deceleration time 0 Fast Deceleration ramptime from 0 to 50 Hz.
P-36
Communication
Setting (Power off/on
when parameter has
been
changed
)
1
Modbus
115,2k
3000
115,2k
3 settings in one parameter.
- Stationnumber 0-63. First Drive should be stationnumber 1.
- Communication speed, 115,2=115.200 bits/sec.
- Communication timeout. 0 = No timeout [msec].
2
1
DI1: Startsignal
+24 VDC
DI1 must always be closed to start
BFI
IP20
CAB 113
Patchcable
Cat 6
Modbus master
X2 panel
CAB 114
RS485 + Pin1
OPT-2-
RJTRM-
BFI
OPT-2-
J45SP
-
BFI
RS485 – Pin6
GND Pin5
Modbus master
Nexto Express
D+
D-
GND
BFI
IP20

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5.15 CANopen
BFI-E3 should have firmware version 3.08 (from August 2019) for full functionality. Eds-file to
be used for BFI-E3 is called BFI-E3.eds and is to be downloaded from www.beijerelectronics.
A CANopen network with BFI-E3 IP20 are connected as below.
BFI-E3 IP66 has two RJ45 females built-in which means no use for OPT-2-J45SP-BFI.
Default settings in BFI and project is 500 kbits/sec.
Hardware
Fun
c
tion
Comment
CAB 154 3 m shielded cable with one RJ45 for BFI and one
9-pole D-sub for X2 panels.
Built-in 120 ohm resistor in D-sub between
CANopen- pin1 and CANopen+ pin2.
CAB 155 Shielded 3 m cable with one RJ45 and 3 wires for
screwterminals marked H(+), L(-) and Shield.
A separate 120 ohm resistor for bus termination
included.
OPT-2-J45SP-BFI T-Connection of 2 serial cables into one drive. RJ45 male to BFI and 2 female RJ45 for network
OPT-2-RJTRM-BFI RJ45 with a 120 ohm resistor. To be put in the last BFI-splitter.
Para-
meter
Name Default
settng
Recommended
setting
Function
P-12 Command Source 0 7 7= Control by CANopen och ramptime in P-03 and P-04.
8= Control by CANopen och ramptime sent by CANopen.
P-14 Parameter Access 0 201 201 = Parameters above P-14 accessable.
P-24 Fast Deceleration time 0 Fast Deceleration ramptime from 0 to 50 Hz.
P-36
Communication
Setting (Efter ändring
måste spänning slås
av och på igen)
CANopen
1,
500 k,
3000
500 kbit/sec
3 settings in one parameter.
- Stationnumber 0-63. First Drive should be stationnumber 1.
- Communication speed, 125-1000 kbit/sek.
- Communication timeout. 0 = No timeout [msec].
2
1
DI1: Startsignal
+24 VDC
DI1 must always be closed to start
BFI
IP2
0
CAB 154
Patchcable
Cat 6
CANopen master
X2 Control
CAB 155
CAN H Pin1
OPT-2-
RJTRM-
BFI
OPT-2-
J45SP
-
BFI
CAN L Pin6
GND Pin5
CANopen master
Nexto Express
CAN H
CAN L
GND
BFI
IP20

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5.16 PI-control
Para-
meter
Name Default
settng
Recommended
setting
Function
P-12 Command Source 0 5 5: PI-control with external feedback signal.
P-15 Input Selection 0 0 0 = PI-feedback Terminal 4. PI or Preset speed Terminal 3.
P-16 Analog Input Format ,
terminal 4 U 0-
10
U 0-10 = 0 to 10 VDC.
A 0-20 = 0 to 20mA.
t 4-20 4 to 20mA. Trip if signal level < 3mA.
r 4-20  4 to 20mA. Preset Speed 1 if signal level < 3mA.
P-47 2nd Analog Input
Format , terminal 6
P-20 Preset Speed 1 0 Can be set between 0 to P-02 setting ( Maximum speed)
P-41
PI Controller
Proportional Gain 1,0 PI Proportional Gain. Higher values provide a greater change in the drive output frequency. Too high value cause instability.
P-42
PI Controller Integral
Time 1,0 PI Integral Time.
Larger values provide a more damped response
for systems where the overall process responds slowly.
P-43 PI Controller
Operating Mode 0 0 : Increased motor speed gives increased feedback signal. 1 : Increased motor speed gives decreased feedback signal.
P-44 PI Digital Setpoint 0 0 : Digital Preset PI-Setpoint in P-45.
1 : Analog Input 1, Terminal 6 PI-setpoint.
P-45 PI Digital Setpoint 0,0 When P-44 = 0, PI-setpoint for PI-Controller.
P-46 PI Feedback Source
Select 0 0 0 : Analog Input 2 (Terminal 4), 1 : Analog Input 1 (Terminal 6).
2 : Motor Current.
P-48 Standby mode Timer 0 sec
0: Function off
Time to run with mimimal speed , P-02, until PI-controller enter
Sleep mode and motor stops.
P-49
Motor thermal Memory
Retention 5,0 % Level off error between PI-controllers setpoint and feedback
signal when motorn is to restart.
5.17 Energy Optimization function
The Energy Optimization function is designed to maximize the energy savings achievable when
the motor and drive is not operating at its rated load. Function works best at constant speed, as
the motor voltage is reduced, the slip of the motor may increase, resulting in a small drop in
motor speed, which can make the PI control unstable.
Parameter
Name
Default setting
Function
P-06 Energy Optimization 0 0 = Disbaled 1 = Enabled
Status Action
DI1 DI2
P12=5 & P15 = 0
0 any No output from drive
1 0 Run with PI-control
1 1 Run with PreSpeed in P-20
P-44=0 : Set point in P-45
P
-
44=1 : Analog
set poin
t
on Terminal
6
2
3
4
5
6
7
1
DI1: Start signal
DI2: PI / Pre Speed 1
PI-feedback
+24 VDC
PI-setpoint
+10 VDC
0 VDC
0
-
10V / 4
-
20mA
Sensor

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5.18 Spin start
On start the drive will attempt to determine motor speed and control the motor from its current
speed. This gives a few seconds of start delay. Very useful in fan applications.
In size 1 drives a DC-current is injected in the motor to ensure it is stopped.
Parameter
Name
Default setting
Function
P-33 Spin Start 0
0 = Disbaled.
1 = Enabled.
2 = Activ on Trip, Brown out and Coast stop.
5.19 BFI-Smartstick
Communication between BFI Drive and PC-software BFI-Tools or app BFI-Tools Mobile is
done by Bluetooth through BFI-Smartstick. Bluetooth is not built into BFI but in BFI-Smartstick,
see picture below. BFI-Smartstick is connected to BFI through it’s RJ45 connector. BFI-
Smartstick also has a memory for parameter settings that can be read or written by it’s buttons.
Chose BFI-Smartstick in Communication Settings. Scan Devices and when BFI-Smartstick is
found, connect.
P-14 must be set to 201 to access all parameters in the drive.
Cable CAB115 can also be used, USB connection to PC and RJ45 to BFI. Choose ”Wired Serial
Interface(RS485/RS232)” in picture above.

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6 Keypad
The drive is configured and its operation monitored via the keypad and display.
NAVIGATE
Used to display real-time information, to access and exit
param
eter edit mo
de and to store parameter changes
UP Used to increase speed in real-time mode or to increase
parameter values in parameter edit mode
DOWN Used to decrease speed in real-time mode or to decrease
parameter values
in parameter edit mode
RESET /
S
TOP
Used to reset a tripped drive.
When in Keypad mode is used to Stop a running drive.
START
When in keypad mode, used to Start a stopped drive or
to reverse the direction of rotation if bi-directional
keypad mod
e is enabled
Operating Displays Changing Parameters Read Only Parameter
Access
Resetting Parameters
StoP

Drive
Stopped/
Disabled
StoP

Press and
hold the
Navigate key
> 2 seconds
StoP

Press and
hold the
Navigate key
> 2 seconds
P-dEF
To reset
parameter
values to their
factory default
settings, press
and hold Up,
Down and
Stop buttons
for > 2
seconds.
The display
will show P-
dEf
H 50.0

Drive is
enabled /
running,
display
shows o
utput
frequency
(Hz)
P-01

Use the up
and down
keys to
select
the required
parameter
P-00

Use the up
and down
keys to select
P-00
A 2.3

Press the
Navigate key
for < 1 sec.
The display
will show
motor
current (A)
P-08

Press the
Navigate key
for < 1
second
P00-01

Press the
Navigate key
for < 1
second
StoP
Press the Stop
key.
The display
will show
“StoP”
P 1.50


Press the
Navigate key
for < 1
second.
The display
will show
the motor
power (kW)


10


Adjust the
value using
the Up and
Down keys
P00
-
08

Use the up
and down
keys to select
the required
Read Only
parameter
1500


If P-10 > 0,
pressing the
Navigate key
for < 1
second will
display the
motor speed
(RPM)
P-08

Press for < 1
second to
return to the
parameter
menu



330


Press the
Navigate key
for < 1
second to
display the
value
Resetting a Fault
O-1
Press the Stop
key.
The display
will show
“StoP”

P-08

Press for > 2
seconds to
return to the
operating
display
StoP

Press and
hold the
Navigate key
> 2 seconds
to return to
the operating
display
StoP

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6.1 Monitoring from Keypad
Put P14=201 to access monitor values in parameter group P0.
Par Description Display range Explanation
P0-01 1st Analog Input Value 0 … 100% 100% = max input voltage
P0-02 2nd Analog Input Value 0 … 100% 100% = max input voltage
P0-03 Speed Reference Input -P-01 … P-01 Displayed in Hz if P-10 = 0, otherwise displayed in RPM
P0-04 Digital Input Status Binary value Drive digital input status
P0-05 User PI output (%) 0 … 100% User PI output (%)
P0-06 DC bus ripple (V) 0 … 100% DC bus ripple (V)
P0-07 Applied Motor Voltage 0 … 600V AC Value of RMS voltage applied to motor
P0-08 DC Bus Voltage 0 … 1000V dc Internal DC bus voltage
P0-09 Heatsink temperature -20 … 120 °C Temperature of heatsink in ᵒC
P0-10 Hours Run Meter 0 to 99 999 hours Not affected by resetting factory default parameters
P0-11 Run Time Since Last Trip1 0 to 99 999 hours Run-time clock stopped by drive disable or trip.
P0-12 Run Time Since Last Trip2 0 to 99 999 hours Run-time clock stopped by drive disable or trip. Not reseted
by power down / power up cycling.
P0-13 Trip Log 0 to 99 999 hours Displays most recent 4 trips with time stamp
P0-15 DC Bus Voltage Log 0 … 1000V 8 most recent values prior to trip, updated every 256ms
P0-16 Heatsink Temperature Log -20 … 120 °C 8 most recent values prior to trip, updated every 30s
P0-17 Motor Current 0 to 2x rated current 8 most recent values prior to trip, updated every 256ms
P0-18 DC bus ripple log (V) 0 … 100% 8 most recent values prior to trip, 22ms sample time
P0-19 Internal drive temperature log -20 … 120 °C 8 most recent values prior to trip, 30 s sample time
P0-20 Internal drive temperature -20 … 120 °C Actual internal ambient temperature in ᵒC
P0-23 Temperature log cooling fin Hours:min Total time of operation above heatsink temp of 85ᵒC
P0-24 Temperatur log internally Hours:min Total time of operation with drive internal temperatur above
80ᵒC
P0-25 Estimated rotor speed 0 … 500 Hz In vector control modes, estimated rotor speed in Hz
P0-26 kWh meter / MWh meter 0.0 kWh / 0 MWh Total number of kWh / MWh consumed by the drive.
P0-27 Total run time of drive fans Hours:min:sec First value displays time in hrs, press up to display mm:ss.
P0-28 Software version e.g. “1.00”, “47AE” “1”: Indicates I/O processor, “2“ : Indicates power stage
P0-29 Drive type identifier BFI type, Drive rating, input phases, voltage, firmware
P0-30 Drive serial number xxxxxx / yy / zzz Unique drive serial number
P0-31 Motor current Id / Iq 0 to 2x rated current Displays magnetising current (Id) and torque current (Iq).
P0-32 Actual PWM switching
frequency (kHz) 4 to 32 kHz Actual switching frequency used by drive
P0-33 Critical fault counter – O-I Number of times Number of trips due to overcurrent
P0-34 Critical fault counter – O-Volts Number of times Number of trips due to over voltage
P0-35 Critical fault counter – U-Volts Number of times Number of trips due to under voltage
P0-36 Critical fault counter – O-temp Number of times Number of trips due to over temperature heatsink
P0-38 Error counter – O-hEAt Number of times Number of trips due to internal over temperature
P0-39 Error counter – Modbus Number of times Number of trips due to Modbus error
P0-47 Fire mode running Hours Hours Number of Hours in Fire mode
P0-48 Scope channel 1 & 2 Displays value for Scope channel 1 & 2
P0-49 Scope channel 3 & 4 Displays value for Scope channel 3 & 4
P0-50 Bootloader and motor control Internal value

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6.2 IP66, Main switch, start/stop switch and potentiometer
By adjusting the parameter settings the drive can be configured for multiple applications and not just
for Forward or Reverse. This could typically be for Hand/Off/Auto applications (also known and
Local/Remote) for HVAC and pumping industries.
Switch Position
Parameters
to Set Notes
P-12 P-15
Run Reverse STOP Run Forward 0 0
Factory Default Configuration
Run Forward or Reverse with speed controlled from
the Local POT
STOP STOP Run Forward 0 5,7 Run forward with speed controlled form the local
POT. Run Reverse - disabled
Pre-set Speed 1 STOP Run Forward 0 1 Run Forward with speed controlled from the Local
POT. pre-set Speed 1 provides a ‘Jog’ Speed in P-20
Run Reverse STOP Run Forward 0 6, 8 Run Forward or Reverse with speed controlled from
the Local POT
Run in Auto STOP Run in Hand 0 4
Run in Hand – Speed controlled from the Local POT
Run in Auto 0 Speed controlled using Analog input 2
e.g. from PLC with 4-20mA signal.
Run in Speed
Control STOP Run in PI Control 5 1
In Speed Control the speed is controlled from the
Local POT
In PI Control, Local POT controls PI set point
Run in pre-set
Speed Control STOP Run in PI Control 5 0, 2, 4,
5,
8..12
In pre-set Speed Control, P-20 sets the pre-set Speed
In PI Control, POT control the PI set point P-44=1
Run in Hand STOP Run in Auto 3 6 Hand – speed controlled from the Local POT
Auto
–
Speed Reference from Modbus
Run in Hand STOP Run in Auto 3 3 Hand – Speed reference from pre-set Speed 1 (P-20)
Auto
–
Speed Reference from Modbus
6.3 EMC-filter
BFI contains an internal EMC-filter connected to earth. BFI with built-in EMC-filter must never be
used in systems were the 3-phase supplying net don’t have a neutral connected to earth, normally
called IT-net. The BFI can be damaged. IT-net is normally being used in all types of boats and also
some parts of Norway.
In the rest of Europe TN-net is most common were EMC-filter can be used.
The EMC-filter on BFI IP20 can be disconnected by removing a screw on the left side of the BFI. For
BFI IP66 the screw to be removed is located on right side of input terminals L1, L2 and L3 and is
marked “EMC”.