EURA DRIVES EM30 Series Installation instructions

www.euradrives.eu EM30 – Rev.03 -D- SOFT Rev. 1.1x
© 2017 EURA Drives GmbH
Safety instructions Installation
& operating manual
FREQUENCY INVERTER
EM30
0,4kW – 7,5kW
ENGLISH

EM30 – Rev.03 -EN- SOFT Rev. 1.1x
© 2017-06-KPP-EURADRIVES EUROPE GmbH
INDEX PAGE
1) Common installation- and safety rules for series EM30 inverters 1
2) Product data / product power range 10
3) Inverter mounting 14
4) Electrical connection of EM30 inverters 16
5) Control-board – hardware and I/O channel configuration 23
6)O
peratingpanel 26
7) Inverter parameter setting 28
8) Parameter group 100: Basic parameter 29
9) Parameter group 200: Inverter control 35
10) Parameter group 300: Digital I/O configuration 40
11) Parameter group 400: Analogue I/O channel configuration 44
12) Parameter group 500: Fixed-frequency, automatic cycling frequencies 48
13) Parameter group 600: DC-Bake control / Aux. functions 49
14) Parameter group 700: Error handling and protection functions 53
15) Parameter group 800: AUTOTUNING – Motor data programming 57
16) Parameter group 900: RS485 Hardware and interface parameters 59
17) Parameter group A00: PID controller parameter 60
18) Parameter group C00: Speed / Torque control 64
19) EM30 Diagnostic 66
20)
EM30optionals 67
Rev. 03 -EN- 2017 KPP
Software revision: 1.1x

1) Common installation rules and safety information regarding EURA EM30 inverters
1) Common installation- and safety rules for EURA DRIVES inverters, series
EM30
IMPORTANT !!
This instruction manual explains rules for correct installation and safe operation of frequency
inverters, series EM30 (denominated inverter, or drive in the following guidance). It is
mandatory to follow exactly, what reported in this instruction manual.
This instruction manual must be read and fully understood before any action of installation or
placing in operation of the inverter.
Anybody, who operates the inverter, or the machine, equipped with inverter, must have access
to this operation manual, and must become familiar with drives technology, especially
regarding safety and warning issues
All instructions in this manual must be observed, to:
Guarantee safety for humans and machinery
Allow safe function and reliable operation
Permit approvals and certifications
Keep manufacturers warranty in force
Following pictograms are used in this instruction manual:
DANGER-WARNING-CAUTION
ATTENTION: Life or health of the user are
endangered or substantial damage to
property may occur.
ATTENTION – OBSERVE
Measures, necessary for safe and trouble-
free operation
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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1) Common installation rules and safety information regarding EURA EM30 inverters
Common:
DANGER Frequency inverters operate with voltages, hazardous to
humans
Depending on inverters protection degree (IP class) and mounting
conditions, life parts may be accessible.
During heavy duty operation, and especially in case of malfunction,
parts/surfaces of inverters or accessory may reach dangerous
temperatures, which may result in personnel injury.
Inadmissible removal of covers or other parts of the inverter, improper
use, and not qualified mounting or operation may result in high risk for
personnel injury and/or machinery damage
All activity for mounting, cabling, placing into operation and operation
of the inverter must be done exclusively by proper educated and
trained people.
DANGER
The standards IEC 364 and/or CENELEC HD384, DIN VDE 0100 and
all other national safety standards are to observe.
Trained people has specific professional training, knowledge of all
relevant standards and safety rules and experience in application of
electrical/electronic drive systems.
These professionals are in condition to judge assigned duties, and
resulting risks.
Specified application of frequency inverters
. The inverters, reported in this manual are components of
electrical/electronic drive systems and determinate for integration in
machines and plants only.
The EM30 inverter serves exclusively for the control and regulation of
three phase motors (asynchronus / synchronus motors)
The connection of loads, other than above listed, may result in
damage of the machinery, destruction of the inverter or connected
equipment, and serious risk of personnel injury.
DANGER
Observe specific standards and rules
It is not allowed, to place in operation the plant, before the
compliance with all standards of the machinery safety regulation
(89/392/EWG) and the EMC rules (89/336/EWG) has been checked
Inverters are conformal with low voltage directive (73/231/EWG).
Harmonized standards EN50178 (VDE160) and EN60439-1
(VDE0660, T. 500) are applied.
EURA DRIVES EM30 is a product with limited availability (in sense of
IEC 61800-3). Frequency inverters may create high frequency noise,
in case the operator is responsible for proper countermeasures.
DANGER
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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1) Common installation rules and safety information regarding EURA EM30 inverters
Handling, transportation and storage
Inverter components may become damaged and insulating distances
may be reduced, as a result of improper transportation, handling or
storage of the drive.
DANGER
In this case, the inverter does not anymore comply with product
specific standards and rules, and it is not allowed to place it into
operation.
Therefore it is mandatory, to check the inverter for mechanical
integrity, before installation and operation.
The inverter may contain components, sensitive to electrostatic
discharge. Therefore avoid, touch components inside the drive.
It is recommended to store the inverter, using the original box.
If inverters are stored or out of use for more then one year, DC
capacitors may lose their capacity. Please contact the inverter
manufacturer for reformatting procedure
Installation of the inverter
DANGER Frequency inverters EP66 must be mounted, following instructions in
chapter: Inverter mounting
Only fixed installation is permitted.
Follow all effective standards and rules for correct grounding!!
All minimum distances to other inverters or components are to
respect. Minimum distances are reported later on this manual.
Allow adequate air circulating, especially, in case of vertical mounting,
one on top of the other.
Use proper shielded cables, for inverter control signals and feed back
signals
Intrusion of dust, liquids, water, steam and aggressive gases must be
excluded
Attention on adequate heat exchange of the cabinet
Use of the inverter in explosion risky area is not allowed
Electrical wiring of frequency inverters
Attention: The entire plant must be disconnected from power,
crosschecked for loss of voltage and locked before starting any
work
DANGER HAZARDOUS
CAPACITOR CHARGE
The discharge time of the internal DC-LINK capacitors
may take up to 5 minutes, it is not allowed to open the
enclosures or to do any maintenance work during
discharge cycle!!
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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1) Common installation rules and safety information regarding EURA EM30 inverters
All connection terminals for control and feed-back are single insulated
in sense of EN50178.
In case of connection to external equipment with double insulation,
the user has to provide proper arrangement, to guarantee double
insulation in sense of EN50178 for the whole system
LVD – DOUBLE
INSULATON
GROUNDING EP66 inverters are designed for steady state installation, using fixed
wiring. It is not allowed, to use power plug or similar mobile
connection.
Depending on different EMC filter options, the leakage current to
ground may exceed 3,5 mA. Therefore it is recommended to use
earth connection wiring, with minimum section of 10mm2 (copper) or
use double wiring (in sense of EN50178)
All grounding connections must be as short as possible, all leading to
one common central point (star arrangement).
Long motor leads
A motor cable length, exceeding 30m, may result in over-voltage
spikes on the motor side. These peaks may damage the internal
insulation of the motor.
The use of motor chokes, sinus filter or dV/dt limiting filters may
prevent from risk of motor damage.
Generally it is recommended, to use inverter duty motors
In case of any doubt, please contact the manufacturer
All output filter components must have inverter
manufactures approval
Insulation testing
In case of insulation testing of the whole network, it is recommended
to disconnect the inverter and all optionally mounted filter
components. Some components, used inside the inverter may impact
measurement accuracy, o may become destroyed
All EURA inverters have to pass the insulation test, according to
EN15178, during the final test procedure on the production line.
Potential equalization
If components with no galvanic insulation are used and connected to
the inverter, proper measures are necessary, to guarantee potential
equalization.
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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1) Common installation rules and safety information regarding EURA EM30 inverters
DANGER OF FIRE
BURNS Braking resistors
All kinetic energy of the system converts to heat, during braking cycle.
This energy dissipates in the braking resistor.
Improper dimensioning of the braking resistor or insufficient heat
exchange may result in high risk if fire
Also over-voltage on the input power supply my lead to high risk of
fire
Therefore all braking resistor must have two thermistors, series
connected, which contacts open in case of over-temperature,
disconnecting the whole power supply, on inverters input terminals
Braking resistors surface may become very hot, even
during normal operation. Therefore it is necessary to
mount the resistor in a save location, using proper
protecting cages.
IMPACT ON
DIFFERENTAL
CURRENT
BRAKERS
Differential current breaker (FI)
The use of frequency inverters may delay or even inhibit the
trigger of differential current breakers.
For life protection, all plant with inverters must have following:
Input wiring protection: Fuses or automatic over-current breaker
(Dimensioning: see tables).
Differential current protection: "All-sensitive" protectors
(breaker), minimum requirement type „B“ , mounted on all
inverter power lines.
It is not permitted to connect other equipment on inverter power
lines.
For single phase inverters (230V class) the use of differential
current breaker type "A" or "F" is allowed.
The trigger current of the differential current breaker depends on the
operating frequency, motor type, PWM frequency and the length of
the motor cable
It is recommended, to use differential current breaker with 300 mA
threshold (for industrial environment).
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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1) Common installation rules and safety information regarding EURA EM30 inverters
Basic rules for reliable and safe operation
-Proper dimensioning of the system (motor, inverter, mechanical elements).
-Check for correct inverters rated voltage, consider tolerances too
-Review all inverter and motor cabling, including correct terminal tightening torque
(torque values: see table).
-Use proper cable for all control wiring, separate control cable from power cable, min. 15 cm distance.
Use shielded cable for all control connections, exceeding 1 meter
-Twist wires to braking resistors or use shielded cables
-Shielded cables are recommended for motor connection too, especially with distances, exceeding 30
meters.
-Avoid earth loops, all earth connections should have large contact areas, all leading to one central
grounding point (star connected)
IMPORTANT FOR
SAVE INVERTER
OPERATION
One separate circuit breaker is recommended for each inverter –
allowing separate switch off of single inverters.
CHECK FOR PROPER INVERTER PROGRAMMING
Improper programming of the inverter may result in
unpredictable behavior of the system and subsequent high risk
of damage and/or personnel injury.
The inverter may be enabled for multiple automatic restart
attempts in case of fault – delayed restart is possible.
Unpredictable systems reactions may become the result of
internal inverter defects.
The inverter may ignore commands, speed, STOP instructions,
or signals originated from external components.
The braking function of the inverter may fail.
Depending on the application, external safety components,
working independently from the inverter, are required, to
guarantee the safety of the whole system
Inverter protection-functions
Although the inverter is equipped with intelligent protections functions,
the repetitive triggering of those functions may result in inverter
damage.
The inverter is protected against output short circuit and earth fault,
each displayed by a specific code on the display.
Repetitive earth faults and short circuits may damage the power
stage of the inverter.
The motor must be fixed connected, in case, where interruption of the
motor line is required (for safety reason), the circuit should open/close
with inverter in STOP condition only (final stage disabled).
It is recommended, to keep the inverter powered on at all time, if for
application reason repetitive power on cycling is required, it should
not exceed one cycles every 5 minutes – otherwise contact the
manufacturer.
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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1) Common installation rules and safety information regarding EURA EM30 inverters
Power-grid specification:
The inverter is build for symmetric three phase power supply
systems, with voltage phase to earth/neutral not exceeding 300V.
A transformer can be used for adaptation to higher voltages.
For single phase inverters the maximum input voltage is 240V +15%,
400V class thee phase inverters can work up to 460V +15%.
Contact the inverter manufacturer, before connecting to
unbalanced, floating, or unsymmetrical power systems.
Power supply – short circuit capability
Input chokes (Uk=4%) are recommended to connect the inverter on a
power grid with high short circuit capability, this especially for
continuous full load operation.
If the power supply capability exceeds by 20 times the inverter
power, the use of chokes is mandatory.
Measurements on inverter input and output:
Current and voltage may have no sinus shaped waveform on inverters input/output side.
If improper testing instruments are used, the result may become inaccurate, or in worst case, the
inverter and/or the test instrument may become destroyed.
On input side, the current waveform is composed by fundamental and harmonics, while on output side
the voltage waveform is PWM modulated.
The used instruments must be able to handle the various signal waveforms. For simple
measurements, a high quality moving iron instrument could be suitable.
The inverter manufacturer must be contacted in
case of any question, regarding this
safety/instruction manual, or if some parts of it
have not been fully understood.
FOR ANY QUESTION –
CONTACT THE
MANUFACTURER
Please ask before installing or placing on
operation the system.
This is mandatory, to avoid any risk for
machinery damage and/or personnel injury.
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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1) Common installation rules and safety information regarding EURA EM30 inverters
EMC: Basics and recommendations for installation
The EM30 series inverters are electrical devices, designed for installation in industrial area.
EM30 inverters are not designed to work stand alone, these inverters are considered as part of
a complex system, for this reason, no separate EMC marking is applied on the inverter.
The machine builder / system integrator is obligated to prove the compliance with actual EMC
standards for the whole system.
Normally, the inverter integrated EMC filters are sufficient, to meet the actual EMC limits (this has
been confirmed by measurements, performed by independent body).
Inverters EM30 are designed for use in "second environment", (in sense of EN61800-3).
This means installation in industrial area, where power supply is done via separate
transformer.
For installation in "first environment" (residential area – public low voltage power grid),
additional filter components may become necessary, to meet EMC rules.
EMC - adequate installation
Mounting in metal cabinet, if possible, the cabinet should be divided into power and control area, using
metal shielding barrier, or similar
Connect all metal parts, grounding cables, cable shields on one central point, using the blank
mounting plate as contact area.
Use 10mm2cables for potential equalization, "star" connected on one central point.
Please consider, that inverters and filters may have more than 3,5 mA leakage current, therefore use
proper earth/ground conductors:
Grounding conductor min. 10 mm² (copper)
Grounding connection with separate monitoring system, which disconnects
automatically in case of fault.
Dual grounding, using separate cable and terminals.
Use shielded cables, wherever possible, with copper mesh, common cable steel protection is not
working as shield.
Connect shields on large blank areas with potential equalization bars. Use special cable glands, with
integrated contact brushes.
It is not allowed to extend cable shield, using single wire.
Mount all external filter components as close as possible to the noise source (inverter) – get perfect
contact, mounting directly on the blank cabinet plate.
Keep all wiring as short as possible, separate different networks, min. 15 cm distance.
Different networks are: power supply, motor cable (incl. brake resistor), low voltage control wiring
(control signals, feed-back, data line).
Twist all unshielded cables
Unused wires in cables should be connected to ground
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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1) Common installation rules and safety information regarding EURA EM30 inverters
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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Inverters with UL mark: Additional information
.

2) Product data / Product naming convention
2) Product data / product power range
Product naming convention
Basic product code:
EM30 0007 T3 J1
EM30 Inverter series (EM30)
0007 Inverter power code
Power code 0004 0007 0011 0015 0022 0030 0040 0050 0075
Rated power 0,4
kW 0,75 kW 1,1 kW 1,5 kW 2,2 kW 3,0 kW 4,0 kW 5,5 kW 7,5 kW
T3 Inverter rated voltage code:
T2=singlephase 220/240V +/-15%
T3=threephase 380/460V +/-15%
J1 Inverter framesize code (J1 / J2)
Optionals code:
U5 F2 AC02 B1 R3 M1 IC1
U5 Standards code:
U=UL
U1=CE
U5=CE+UL
F2 Fieldbus type:
( )=no fieldbus
F2=MODBUS
AC02 Operating panel:
AC01=Cinese style
AC02=International
B1 Brake chopper:
( )=no brake chopper
B1=chopper transistor integrated
R3 EMC Filter class:
( )=no filter build in
R3:C3 class filter inside
M1 Add on motor:
( ): single inverter unit
M1:inverter+asynchronus motor boundle
M2:inverter+PMM motor boundle
IC1 Mounting kit:
( )=motor terminal box mounting
IC1=wall mount, including wall mount kit
Nameplate
The adjacent picture shows a typical nameplate of an
series EM30, three phase, 400V 5,5 kW inverter, 12A
rated current, including following options: U1=(CE-
standard) F2=(MODBUS), AC02=(global style
keypad) B1= (Brake-chopper integrated) R3=
(integrated EMC-Filter C3 class)
EM30 – Rev.03 - EN- SOFT Rev. 1.1x
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2) Product data / Product naming convention
Mechanical construction
EM30 inverter are based on a die-cast aluminium frame.
The frame has a flange attack, used to mount the inverter
directly on the terminal-box of the motor.
Mounting is done by using specific adapter plates,
depending on motor geometry (see chapter: inverter
mounting)
The basic frame holds the cable conduit plate, the
power- and motor terminals, the EMC filter and the
capacitor assembly
Control and power section are placed in the inverters
cover. This allow all heat to dissipate away from motor.
Control connection, all I/O and field-bus terminals
(removable) are on the power/control board in the cover.
The cover holds the keypad as well.
The pictures show an J2 size inverter
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2) Product data / Product naming convention
Technical data - inverter series E30
Power supply Rated voltage 3-phase 380…460V +/- 15% - 1phase 230V +/- 15%
Input frequency 44….67 Hz
EMC filter Integrated for 2. environment - optional for 1st environment
Output
Output voltage 0……...U-input
Output frequency 0……...650 Hz
Resolution of output frequency 0,01 Hz
Overload capability 150% - 60 sec. / 10 Min
Control mode
PWM control-modes V/Hz - Mode SENSORLESS VECTOR (SLV) – Speed / torque control
Permanentmagnet Synchronus Motor PMM control
PWM frequency 0,8.....16 kHz
V/Hz characteristic Linear, quadratic, and user-programmable curve – independent output
voltage via setpoint
Starting torque 150% rated torque at 0,5 Hz (in SLV mode)
Torque boost Automatic / manual
Motor data input Manual input / intelligent AUTOTUNING function
Speed range 1:100 in SLV mode
Speed precision +/- 0,5% (SLV)
Torque precision +/- 5% (SLV)
DC-Brake Freq. threshold, duration and intensity programmable – DC injection
Brake chopper Integrated chopper transistor (Brake resistors – see product table)
Display 4 line LCD character display For programming and visualization of different operating parameters
I/O Channels,
control functions
Inverter control - Start/Stop To configure: terminals / keypad/ serial link
Digital control inputs 6 digital inputs (HIGH/LOW configurable), pulse input
Speed / torque reference signal Potentiometer/analogue input (terminals), via keypad, pulse input, serial link
Analogue setpoint input 2 Analogue channels 0…10V, 0..(4)20 mA (with programmable offset and
gain – to concatenate mathematically each other)
Analogue outputs 2 analogue output channels, both programmable in gain, different functions
to assign (0…10V, 0..20 mA)
Digitale outputs 1 digital output (different functions to assign)
Relays output 2 switchover contact 5 A 230 V (programmable for different functions)
Interface Serial link (MODBUS – ASCI/RTU)
Special function - control options
Jog mode, 12V / 50 mA auxiliary power supply on terminals
PI-control / Pump control, Master/Slave control, multipump control
Fixed frequency control, programmable cycling frequency sequence
"Catch on the fly function", AUTORESET/RESTART function
Protections with
fault memory Electrical protections Overvoltage, undervoltage
Overcurrent, overload, motor overload short circuit
Phaseloss, moptor phase imbalance
Thermal protections Ovetemperature, motor I2xt, motor PTC/KLIXON protection
Optionals
Operating panel Remote keypad / programming tool
Brake resistors High power resistors for heavy duty operation
Filter / chokes PFC chokes – dv/dt limiting output filter - sinusfilter
Parameter copy stick USB Stick with parameter dublication function – USB/RS485 converter
PC-Link Software (via MODBUS) Special tool for programming, control and diagnostic (parameter set memory)
Environmental
conditions
Protection IP66
Operating temperature -10……+50 °C
Humidity Max. 90 % not condensing, no corrosion
Elavation 1000 m - 1% derating / 100m above
Vibration Max. 4 g
Power range Size J1 - J2 0,4……7,5 kW
Standards EMC EN61800-3(2004)
Safety EN61800-5-1 2003
EM30 – Rev.03 - EN- SOFT Rev. 1.1x
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2) Product data / Product naming convention
EM30 – Rev.03 - EN- SOFT Rev. 1.1x
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Product range, framesizes:
230V single phase
Model Rated power / current Input current Framesize Dimension (WxHxD - mm) Weight (kg) Brake chopper Min. brake resistance value
EM30-0004S2 J1 0,4 kW - 2,5A 5A
J1 190x270165
2,4
Integrated
80 Ohm
EM30-0007S2 J1 0,75 kW - 4,5A 9A 2,5
EM30-0015S2 J1 1,5 kW - 7A 15A 2,7
EM30-0022S2 J1 2,2 kW - 10A 22A 2,9
400V three phase
Model Rated power / current Input current Framesize Dimension (WxHxD - mm) Weight (kg) Brake chopper Min. brake resistance value
EM30-0007T3 J1 0,75 kW - 2 A 2,4A
J1 190x270165
2,4
Integrated
150 Ohm/150W
EM30-0015T3 J1 1,5 kW - 4 A 4,6A 2,5
EM30-0022T3 J1 2,2 kW - 6,5 A 7A 2,7
EM30-0030T3 J1 3,0 kW - 7 A 9A 2,9
EM30-0040T3 J2 4,0 kW - 9 A 11A
J2 338228x194
6,0
EM30-0055T3 J2 5,5 kW - 12 A 16A 6,1 75 Ohm/500W
EM30-0075T3 J2 7,5 kW - 17 A 20A 6,2
Convection cooled
Note: The indicated RMS input current is approximative for direct connection to a power grid, having a short
circuit capability of 10kA – For power supply above 10 kA we highly recommend the use of adequate input
chokes (5% choke) to reduce the RMS current

3) Inverter mounting
3) Inverter mounting
Please read all, what reported on chapter 1) Common installation- and safety rules for EURA DRIVES inverters, series
EM30
before proceeding with inverter mounting, cabinet wiring, and putting into service the system.
Motor mounting
EM30 inverters have IP66 Protection class and are build for direct mounting on the motor. The inverter can be mounted
in any direction. The keypad can be rotated in 90° steps.
Depending on motor geometry, a specific mounting plate is required - mounting plates for some standard motors are
available through the EURA options program.
To open the inverter enclosure, loose the 4 screws on the cover and carefully remove the cover. Please note, that on
size J2, an internal fan is connected via cable to the base unit, this cable must be unplugged.
Attention: the cover must be removed carefully, uniform, do not twist, do not cant the inside connectors/plugs, take
care on the fan connection on size J2
Please make sure, the motor terminal box has enough mechanical stability to support the inverter
It is absolutely not allowed to step on the inverter
In order to prevent from damage, it may be necessary to disconnect the keypad cable, before turning the keypad
The picture shows the mounting concept
As a first step, the mounting plate must be fixed on the motors terminal box, using original gasket. After the mounting
plate is in place, the inverter can be fixed on the plate, using adequate screws and gasket, coming with the plate kit.
Specific holes in the capacitor board allow access to the screws inside the inverter.
Cabling is done, using the middle hole on the capacitor board
Warning: please make sure, no metal parts (screws, washer etc.) arte lost inside the inverter, during the mounting
procedure - this may create short circuit and damage of the inverter.
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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3) Inverter mounting
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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Mounting plate:
The mounting plate dimensioning depends on the motor type, only the position of the threaded holes which are used
to screw the inverter on the plate is fixed (see drawing below)
The indicated dimension is the maximum plate size for inverter size J1 and J2
Wallmount:
If wallmount is required, a specific wallmount kit is available - please refer to extra instruction
Maintenance and service:
Inverters of the EM30 series may have forced ventilation (depending on power range). The fans are maintenancefree
and have protection degree IP66
Ventilation channels and heatsink fins should be checked for dirt and dust, and cleaned on a regular basis.
Provided that the inverter is working in respect of specified environmental conditions, provided that the inverter is
used for proper application, and all instructions have been exactly followed for installation, putting in service and
operation, the inverter does not need any additional maintenance.

4) Electrical connections of EM30 inverters
4) Electrical connection of EM30 inverters
EM30 series inverter have IP66 class protection. All connection terminals are located inside the enclosure.
All control an power cables pass through a removable cable conduit plate, this plate can be used for shield connection
as well, using proper cable glands with shield contacts.
Proper IP66 ready cable glands are required, to guarantee the IP66 protection degree.
Following holes are available on the cable conduit plate:
Framesize Power terminals Control terminals
J1 M20 M16
J2 M25 M16
For electrical wiring of the inverter, the cover must be removed, loosening all 4 cover screws, to get access to all
terminals.
Attention!! Carefully remove the cover!!, there is a cable between inverter base and cover, this cable must be removed,
to get the two parts separated.
Power / Control terminal connection
EM30 inverters have separate terminals for power- and control-connection. Adequate cables are requested for wiring the
inverter, all safety rules, reported in the first chapter of this manual are to observe.
Power terminals:
There are different arrangements for power terminals, depending on inverter size and number of input phases.
Inverter size J1 230V - 0,4...2,2 kW
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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4) Electrical connections of EM30 inverters
Inverter size J1 400V 0,75 - 3,0 kW
Inverter size J3 400V 4,0 - 7,5 kW
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
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4) Electrical connections of EM30 inverters
Brake resistor:
EM30 inverters have build in chopper transistor as standard. An adequate brake resistor can be connected externaly. The
maximus lenght of the cable is 2mt, crossection depends on the current through the resistor, calculated, considering the brake
switch on voltage of 800V and the resistor value.
The minimum resistor value for single inverter power ranges is reported in table on chapter: 2) Product overview / Product data
– the value in the table is the absolute minimum value – resistors with up to three times higher resistance value are
allowed.
Right dimensioning of the resistor, especially in sense of continuous power and peak power depends on the application (inertia,
speed, brake cycle rate).
Attention: Adequate resistors are required, to meet IP66 protection degree
EURADRIVES accessories program offers special resistors for any kind of application.
ATTENTION!! All stored dynamic energy of the system is converted in heat,
during the brake process - heat, dissipated in the brake resistor.
Overheating of the resistor, risk of burning and fire may be the consequence of
improper dimensioning, wrong parameter setting, inverter fault or power supply
over-voltage.
It is necessary to provide suitable electrical and mechanical protection of the
brake resistor
The rules in chapter 1) Common installation and safety rules are to observe.
EURADRIVES does not take any responsibility for any damage or risk, if
improper brake resistors are used.
EM30 – Rev.03 -EN- SOFT Rev. 1.1x
© 2017-06-KPP-EURADRIVES EUROPE GmbH - 18 -