SEW-Eurodrive MOVITRAC B User manual

Drive Technology \ Drive Automation \ System Integration \ Services
MOVITRAC
®
B
Operating Instructions
Edition 05/2009
16810813 / EN

SEW-EURODRIVE—Driving the world

System Manual V3 – MOVITRAC® B 3
Contents
Contents
1 Important Information......................................................................................... 5
1.1 How to use the operating instructions......................................................... 5
1.2 Structure of the safety notes....................................................................... 6
1.3 Rights to claim under warranty ................................................................... 6
1.4 Exclusion of liability..................................................................................... 6
2 Safety Notes ........................................................................................................ 7
2.1 Preliminary information ............................................................................... 7
2.2 General....................................................................................................... 7
2.3 Target group ............................................................................................... 8
2.4 Designated use........................................................................................... 8
2.5 Other applicable documentation ................................................................. 9
2.6 Transport..................................................................................................... 9
2.7 Extended storage........................................................................................ 9
2.8 Installation/assembly................................................................................... 9
2.9 Electrical connection................................................................................. 10
2.10 Safe disconnection.................................................................................... 10
2.11 Startup/operation ...................................................................................... 10
3 Unit Design ........................................................................................................ 11
3.1 Sizes 0XS / 0S / 0L................................................................................... 11
3.2 Sizes 1 / 2S / 2.......................................................................................... 12
3.3 Size 3........................................................................................................ 13
3.4 Sizes 4 / 5 ................................................................................................. 14
3.5 Unit designation / nameplate .................................................................... 15
4 Installation ......................................................................................................... 16
4.1 Recommended tools................................................................................. 16
4.2 Installation notes....................................................................................... 16
4.3 Installing optional power components....................................................... 21
4.4 UL compliant installation........................................................................... 26
4.5 Installation of loose items.......................................................................... 28
4.6 Requirements for installing cold plate (size 0 only)................................... 33
4.7 Deactivating EMC capacitors (size 0 only) ............................................... 33
4.8 Wiring diagram.......................................................................................... 35
4.9 TF thermistor and TH bimetallic switch..................................................... 36
4.10 Connecting braking resistor BW..-P / BW..-T / BW.. to X3 / X2................ 36
4.11 Connecting brake rectifiers ....................................................................... 37
4.12 Installing FSC11B / FIO11B / FIO21B ...................................................... 38
4.13 Installing the MBG11A speed control module........................................... 43
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4System Manual V3 – MOVITRAC® B
Contents
5 Startup................................................................................................................ 44
5.1 Brief description of the startup process..................................................... 44
5.2 General startup instructions...................................................................... 45
5.3 Preliminary work and resources................................................................ 46
5.4 Optional keypad FBG11B ......................................................................... 47
5.5 Basic operation of the FBG11B keypad.................................................... 48
5.6 Manual operation with FBG11B speed control module............................ 50
5.7 External setpoint selection........................................................................ 51
5.8 Startup using the FBG11B keypad ........................................................... 52
5.9 Startup with PC and MOVITOOLS®MotionStudio.................................... 55
5.10 Startup of explosion-proof AC asynchronous motors of category 2
(94/9/EC)................................................................................................... 56
5.11 Starting the motor ..................................................................................... 57
5.12 Parameter list............................................................................................ 61
6 Operation ........................................................................................................... 72
6.1 Data backup.............................................................................................. 72
6.2 Return codes (r-19 – r-38) ........................................................................ 73
6.3 Status displays.......................................................................................... 74
6.4 Unit status codes ...................................................................................... 75
7 Service / List of Faults...................................................................................... 76
7.1 Unit information......................................................................................... 76
7.2 List of faults (F-00 – F-113)....................................................................... 78
7.3 SEW electronics service........................................................................... 81
7.4 Extended storage...................................................................................... 82
8 Technical Data................................................................................................... 83
8.1 CE marking, UL approval and C-Tick ....................................................... 83
8.2 General technical data.............................................................................. 84
8.3 MOVITRAC®B electronics data ............................................................... 86
8.4 Technical data of MOVITRAC®B............................................................. 88
8.5 Front option FBG11B keypad ................................................................. 107
8.6 FSC11B communication module ............................................................ 108
8.7 FIO11B analog module........................................................................... 109
8.8 FIO21B digital module ............................................................................ 110
Index................................................................................................................. 111
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Operating Instructions V3 – MOVITRAC® B 5
1
How to use the operating instructions
Important Information
1 Important Information
1.1 How to use the operating instructions
The operating instructions are an integral part of the product and contain important
information for operation and service. The operating instructions are written for all
employees who assemble, install, startup, and service this product.
The operating instructions must be legible and accessible at all times. Make sure that
staff responsible for the plant and its operation, as well as persons who work indepen-
dently on the unit, have read the operating instructions carefully and understood them.
If you are unclear about any of the information in this documentation, or if you require
further information, contact SEW-EURODRIVE.
1.1.1 Text Conventions
• Texts in software user interfaces (menu items, buttons, etc.) in square brackets, e.g.:
"Click the [Start] button."
• Parameter names are written in italics, e.g.: "Write down the values of variables H509
ACT.POS.ABS.".
• The display of the FBG11B keypad is indicated by a font with fixed character width,
e.g.: "The display shows Stop."
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6Operating Instructions V3 – MOVITRAC® B
1Structure of the safety notes
Important Information
1.2 Structure of the safety notes
The safety notes in these operating instructions are designed as follows:
1.3 Rights to claim under warranty
A requirement of fault-free operation and fulfillment of any rights to claim under limited
warranty is that you adhere to the information in the operating instructions. Therefore,
read the operating instructions before you start working with the unit.
1.4 Exclusion of liability
You must comply with the information contained in these operating instructions to
ensure safe operation of MOVITRAC®B frequency inverters and to achieve the
specified product characteristics and performance requirements. SEW-EURODRIVE
does not assume liability for injury to persons or damage to equipment or property
resulting from non-observance of these operating instructions. In such cases, any liabil-
ity for defects is excluded.
Pictogram SIGNAL WORD
Type and source of danger.
Possible consequence(s) if the safety notes are disregarded.
• Measure(s) to prevent the danger.
Pictogram Signal word Meaning Consequences if
disregarded
Example:
General danger
Specific danger, such
as electric shock
DANGER Imminent danger Severe or fatal injuries
WARNING Possible dangerous situation Severe or fatal injuries
CAUTION Possible dangerous situation Minor injuries
NOTICE Possible damage to property Damage to the drive system or
its environment
TIP Useful information or tip.
Simplifies the handling of the drive
system.
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Operating Instructions V3 – MOVITRAC® B 7
2
Preliminary information
Safety Notes
2 Safety Notes
The following basic safety notes must be read carefully to prevent injury to persons and
damage to property. The operator must ensure that the basic safety notes are read and
observed. Make sure that persons responsible for the plant and its operation, as well as
persons who work independently on the unit, have read through the operating instruc-
tions carefully and understood them. If you are unclear about any of the information in
this documentation, or if you require further information, please contact SEW-
EURODRIVE.
2.1 Preliminary information
The following safety notes predominantly refer to the use of frequency inverters. Addi-
tionally, when using drives with motors or gearmotors, observe the corresponding safety
notes in the respective operating instructions.
Also observe the supplementary safety notes in the individual sections of this publica-
tion.
2.2 General
Removing covers without authorization, improper use as well as incorrect installation or
operation may result in severe injuries to persons or damage to property.
This document includes further information.
DANGER
During operation, frequency inverters can have live, bare parts according to their
degree of protection.
Severe or fatal injuries.
• All work related to transportation, storage, setup/mounting, connection, startup,
maintenance and repair may only be carried out by qualified personnel, in strict
observation of:
– The relevant detailed operating instructions
– The warning and safety signs on the motor/gearmotor
– All other project planning documents, operating instructions and wiring
diagrams related to the drive
– The specific regulations and requirements for the system
– The national/regional regulations governing safety and the prevention of
accidents
• Never install damaged products.
• Immediately report any damages to the shipping company.
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8Operating Instructions V3 – MOVITRAC® B
2Target group
Safety Notes
2.3 Target group
Any mechanical work may only be performed by adequately qualified personnel. Quali-
fied personnel in this context are persons who are familiar with the setup, mechanical
installation, trouble shooting and maintenance for this product. Further, they are quali-
fied as follows:
• Training in mechanical engineering, e.g. as a mechanic or mechatronics technician
(final examinations must have been passed).
• They are familiar with these operating instructions.
Any electronic work may only be performed by adequately qualified electricians. Quali-
fied electricians in this context are persons who are familiar with the electronic installa-
tion, startup, trouble shooting and maintenance for this product. Further, they are qual-
ified as follows:
• Training in electrical engineering, e.g. as an electrician or mechatronics technician
(final examinations must have been passed).
• They are familiar with these operating instructions.
All work in further areas of transportation, storage, operation and waste disposal may be
carried out only by persons who are trained appropriately.
2.4 Designated use
Frequency inverters are components for controlling asynchronous AC motors.
Frequency inverters are components intended for installation in electrical systems or
machines. Never connect capacitive loads. Operation with capacitive loads results in
over voltages and may destroy the unit.
The following standards apply, if the frequency inverters are marketed in the EU/EFTA:
• In case of installation in machines, startup of the drive inverters (meaning the start of
proper use) is prohibited until it is determined that the machine meets the
requirements stipulated in the EC Directive 98/37/EC (machine directive); observe
EN 60204.
• Startup (i.e. the start of designated use) is only permitted under observance of the
EMC (2004/108/EC) directive.
• The frequency inverters comply with the requirements of the Low Voltage Directive
2006/95/EC. The harmonized standards of the EN 61800-5-1/DIN VDE T105 series
in connection with EN 60439-1/VDE 0660 part 500 and EN 60146/VDE 0558 are
applied to these frequency inverters.
Observe the technical data and the connection requirements specified on the nameplate
and the operating instructions.
2.4.1 Safety functions
Frequency inverters from SEW-EURODRIVE must not perform any safety functions
unless the inverters are subordinate to other safety systems.
Use higher-level safety systems to ensure protection of equipment and personnel.
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Operating Instructions V3 – MOVITRAC® B 9
2
Other applicable documentation
Safety Notes
2.5 Other applicable documentation
When using the "Safe stop" function, you must observe the following publications:
•MOVITRAC
®B / Safe Disconnection – Conditions
•MOVITRAC
®B / Safe Disconnection – Applications
These publications are available via Documentation\Software\CAD on the SEW-
EURODRIVE homepage.
2.6 Transport
Immediately upon receipt, inspect the shipmentfor any damage that may have occurred
during transportation. Inform the shipping companyimmediately in the event of damage.
It may be necessary to preclude startup. Observe the climate conditions according to
chapter "General technical data".
2.7 Extended storage
Observe the notes in section "Extended storage".
2.8 Installation/assembly
The units must be installed and cooled according to the regulations and specifications
in this documentation.
Protect the frequency inverters from excessive strain. Do not twist any components and
do not modify the insulation spaces. Do not touch any electronic components or
contacts.
Frequency inverters contain components that can easily be damaged by electrostatic
energy and improper handling. Electric components must not be mechanically damaged
or destroyed.
The following applications are prohibited unless the unit is explicitly designed for such
use:
• Use in potentially explosive atmospheres.
• Use in areas exposed to harmful oils, acids, gases, vapors, dust, radiation, etc.
(frequency inverter may only be operated in climate class 3K3 to EN 60721-3-3)
• Use in non-stationary applications which are subject to mechanical vibration and
impact loads in excess of the requirements in EN 61800-5-1.
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10 Operating Instructions V3 – MOVITRAC® B
2Electrical connection
Safety Notes
2.9 Electrical connection
Observe the applicable national accident prevention guidelines when working on live
frequency inverters (e.g. BGV A3 for Germany).
During installation, observe the specifications regarding cable cross sections, fusing and
protective conductor connection. This publication contains additional information.
In this documentation, you will find notes on EMC compliant installation, such as
shielding, grounding, arrangement of filters and routing of lines. The manufacturer of the
system or machine is responsible for maintaining the limits established by EMC legisla-
tion.
Protective measures and protection devices must comply with the regulations in force
(e.g. EN 60204 or EN 61800-5-1).
Ground the unit.
2.10 Safe disconnection
The unit meets all requirements for safe disconnection of power and electronic
connections in accordance with EN 61800-5-1. All connected circuits must also satisfy
the requirements for safe disconnection.
2.11 Startup/operation
Systems with integrated frequency inverters must be equipped with additional monitor-
ing and protection devices, as applicable, according to the relevant safety guidelines
and regulations, such as legislation governing technical equipment, accident prevention
regulations, etc.
Do not touch live components or power connections until 10minutes after disconnecting
the frequency inverters from the supply voltage because there may still be some
charged capacitors. Observe the corresponding labels on the frequency inverter.
Keep all covers and doors closed during operation.
The fact that the status LED and other display elements are no longer illuminated does
not indicate that the unit has been disconnected from the mains and no longer carries
any voltage.
Mechanical blocking or safety functions inside the unit may result in the motor coming
to a standstill. Eliminating the cause of the problem or performing a reset may result in
the drive re-starting automatically. If, for safety reasons, this is not permitted for the
driven machine, disconnect the unit from the supply system before correcting the error.
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Operating Instructions V3 – MOVITRAC® B 11
3
Sizes 0XS / 0S / 0L
Unit Design
3 Unit Design
3.1 Sizes 0XS / 0S / 0L
[1] X1: Power supply connection:
3-phase: L1 / L2 / L3
1-phase: L / N
[2] Fixing strap
[3] PE connection
[4] Shield plate for motor cable, fixing strap underneath
[5] X2: Motor connection U / V / W / Brake connection +R / –R
[6] X17: Safety contact for safe stop (only MC07B...-S0: sizes 0S / 0L, 400 / 500 V)
[7] X13: Binary outputs
[8] X12: Binary inputs
[9] X10: Analog input
[10] Switch S11 for V-mA toggle analog input
(in sizes 0XS and 0S behind removable connector)
[11] Option card slot (cannot be retrofitted / not for BG0XS)
[12] Connection for optional communication / analog module
[13] Optional keypad, inserted
[14] Status LED (visible without optional keypad)
[3]
[4][5]
[12]
[1]
[7]
[8]
[10]
[9]
[11]
[13]
[14]
[6]
[2]
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12 Operating Instructions V3 – MOVITRAC® B
3Sizes 1 / 2S / 2
Unit Design
3.2 Sizes 1 / 2S / 2
[1] X1: Power supply connection 3-phase: L1 / L2 / L3 / PE screw
[2] X4: DC link connection –UZ/ +UZ
[3] X3: Braking resistor connection R+ / R– / PE
[4] Electronics shield clamp
[5] X2: Motor connection U / V / W / PE screw
[6] X17: Safety contact for safe stop (only 400 / 500 V)
[7] X13: Binary outputs
[8] X12: Binary inputs
[9] X10: Analog input
[10] Switch S11 for V-mA toggle analog input
[11] Option card slot
[12] Connection for optional communication / analog module
[13] Optional keypad, inserted
[14] Status LED (visible without optional keypad)
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[4]
[2][1]
[3][5][6]
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Operating Instructions V3 – MOVITRAC® B 13
3
Size 3
Unit Design
3.3 Size 3
[1] X2: PE connection
[2] X1: Power supply connection 3-phase: 1/L1 / 2/L2 / 3/L3
[3] X4: DC link connection –UZ/ +UZ
[4] X3: Braking resistor connection R+ (8) / R– (9) and PE connection
[5] X2: Motor connection U (4) / V (5) / W (6)
[6] X2: PE connection
[7] Electronics shield clamp
[8] X17: Safety contact for safe stop (only 400 / 500 V)
[9] X13: Binary outputs
[10] X12: Binary inputs
[11] X10: Analog input
[12] Switch S11 for V-mA toggle analog input
[13] Option card slot
[14] Connection for optional communication / analog module
[15] Optional keypad, inserted
[16] Status LED (visible without optional keypad)
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[16]
[8]
[7] [4][5][6]
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14 Operating Instructions V3 – MOVITRAC® B
3Sizes 4 / 5
Unit Design
3.4 Sizes 4 / 5
[1] X2: PE connection
[2] X1: Power supply connection 3-phase: 1/L1 / 2/L2 / 3/L3
[3] X4: DC link connection –UZ/ +UZand PE connection
[4] X3: Braking resistor connection R+ (8) / R– (9) and PE connection
[5] X2: Motor connection U (4) / V (5) / W (6)
[6] X2: PE connection
[7] Electronics shield clamp
[8] X17: Safety contact for safe stop (only 400 / 500 V)
[9] X13: Binary outputs
[10] X12: Binary inputs
[11] X10: Analog input
[12] Switch S11 for V-mA toggle analog input
[13] Option card slot
[14] Connection for optional communication / analog module
[15] Optional keypad, inserted
[16] Status LED (visible without optional keypad)
[6] [4][5]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[16]
[8]
[7]
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Operating Instructions V3 – MOVITRAC® B 15
3
Unit designation / nameplate
Unit Design
3.5 Unit designation / nameplate
MC 07 B0022- 2 B 1- 4- 00
Design 00 = Standard
S0 = Safe stop
Quadrants 4 = 4Q (with brake chopper)
Connection type 3 = 3-phase / 1 = 1-phase
Radio interference suppression 0 = No radio interference
suppression
A = Radio interference
suppression C2
B = Radio interference
suppression C1
Supply voltage 2 = AC 200 – 240 V
5 = AC 380 – 500 V
Recommended motor power 0022 = 2.2 kW
Version B
Series and generation
MOVITRAC®type
Input U Rated mains voltage
I Rated mains current, 100 % operation
f Rated mains frequency
Output U Output voltage 100 % operation
I Rated output current 100 % operation
f Output frequency
T Ambient temperature
P motor Recommended motor power 100 % operation
The unit status for communication with SEW-EURODRIVE is indicated over the bar code at the bottom. The
unit status documents the hardware and software states of the unit.
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16 Operating Instructions V3 – MOVITRAC® B
4Recommended tools
Installation
4 Installation
4.1 Recommended tools
• Use a screwdriver with a 2.5 mm wide blade for connecting the electronics terminal
strip X10 / X12 / X13.
4.2 Installation notes
4.2.1 Mounting the front options
Attach the front options as follows:
• Inserting the FBG11A [A] keypad:
1. Insert the FBG11B keypad [A] on top of the housing [A1].
2. Press the socket on the keypad onto the connector in the unit [A2].
• Inserting the FSC11B communication module or the FIO11B analog module [B]:
1. For size 0, mount the spacer bolt [B1] when using the FSC11B communication
module or FIO11B analog module [B].
2. Insert the FSC11B communication module and the FIO11B analog module [B] at
the bottom of the housing [B2].
3. Press the socket on the front option onto the connector in the unit [B3].
4. Secure the front option using the screw on the unit [B4].
• Mounting the cover [C]:
1. Position the cover [C] on the unit approximately 5 mm away from its final position
[C1].
2. Move the cover upwards [C2].
[A1]
[B2]
[C1]
[A2]
[B3]
[C2]
[A]
[B]
[C]
[B1]
[B4]
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Operating Instructions V3 – MOVITRAC® B 17
4
Installation notes
Installation
4.2.2 Minimum clearance and mounting position
• Leave 100 mm (3.94 in) clearance at the top and bottom of the housing for optimum
cooling. There is no need for clearance at the sides. You can line up the units directly
next to one another.
• It is important that air circulation is not impeded by cables and other installation
material. Prevent the heated exhaust air from other units from blowing onto this unit.
• Install the units vertically only. You must not install them horizontally, tilted or upside
down.
• Proper heat dissipation of the rear side of the heat sink improves the thermal
utilization of the unit.
4.2.3 Separate cable ducts
• Route power cables and electronics cables in separate cable ducts.
4.2.4 EMC-compliant installation
• Shield all cables except for the power supply cable. For the motor cable, you can use
the HD.. option (output choke) instead of the shielding to meet the interference
emission limit values .
• When using shielded motor cables, e.g. prefabricated motor cables from SEW-
EURODRIVE, you must keep the unshielded conductors between the shield and
connection terminal of the inverter as short as possible.
• Connect the shield by the shortest possible route and make sure it is grounded over
a wide area at both ends. If using double-shielded cables, ground the outer shield on
the inverter end and the inner shield at the other end.
100 mm
(3.94 in)
100 mm
(3.94 in)
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18 Operating Instructions V3 – MOVITRAC® B
4Installation notes
Installation
• You can also use earthed sheet-metal ducts or metal pipes to shield the cables.
Install the power and control cables separately.
• Provide high frequency compatible grounding for the inverter and all additional units
(wide area metal-on-metal contact between the unit housing and ground, e.g.
unpainted control cabinet mounting panel).
4.2.5 Operation on IT systems
• SEW recommends using earth-leakage monitors with a pulse code measuring
process in voltage supply systems with a non-earthed star point (IT systems). Use of
such devices prevents the earth-leakage monitor mis-tripping due to the earth
capacitance of the inverter.
• For size 0, SEW recommends deactivating the interference suppressor filter using
the enclosed insulation discs (see Deactivating EMC capacitors (size 0 only)).
4.2.6 Utilization category of contactors
• Use only contactors in utilization category AC-3 (EN 60947-4-1).
4.2.7 Required cross sections
• Power supply cable: Cross section according to rated input current Imains at rated
load
Motor lead: Cross section according to rated output current IN
Electronics cables: Maximum 1.5 mm2(AWG16) without conductor end sleeves1)
Maximum 1.0 mm2(AWG17) with conductor end sleeves
4.2.8 Cable lengths for individual drives
• The cable lengths depend on the PWM frequency. The permitted motorcable lengths
are listed in the "Project Planning" section of the MOVITRAC®B system manual.
4.2.9 Unit output
• Only connect an ohmic/inductive load (motor); do not connect a capacitive load!
4.2.10 Braking resistor connection
• Shorten the cables to the required length.
• Use 2 tightly twisted leads or a 2-core shielded power cable. Cross-section according
to the rated output current of the inverter.
• Protect the braking resistor with a bimetallic relay with trip class 10 or 10A (wiring
diagram). Set the trip current according to the technical data of the braking resistor.
1) Do not install fine wired cables without conductor end sleeves.
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Operating Instructions V3 – MOVITRAC® B 19
4
Installation notes
Installation
• For braking resistors in the BW..-T series, you can connect the integrated thermostat
using a 2-core, shielded cable as an alternative to a bimetallic relay.
• The flat-type braking resistors have internal thermal overload protection (fuse cannot
be replaced). Install the flat-design braking resistors together with the appropriate
touch guard.
4.2.11 Installing the braking resistor
• The supply cables to the braking resistors carry a high voltage (approx. DC 900 V)
during rated operation.
• The surfaces of the braking resistors get very hot when the braking resistors are
loaded with Prated. Choose a suitable installation location. Braking resistors are
usually mounted on the control cabinet roof.
4.2.12 Binary outputs
• The binary outputs are short-circuit proof and protected against external voltage to
30 V. Higher external voltages can destroy the binary outputs.
4.2.13 Interference emission
• Use shielded motor cables or HD output chokes for EMC compliant installation.
4.2.14 Switched inductances
• Use suppressors to suppress interference on
– Contactors
–Relays
– Solenoid valves
Suppressors are, for example, diodes, varistors, or RC elements:
Do not connect any suppressors directly on MOVITRAC®B. Connect suppressors as
closely as possible to the inductance.
NOTICE
Switched inductances
Hazard: Malfunctions / damage to property.
Measure: The minimum distance of switched inductances to the inverter must be at
least 150 mm (5.91 in).
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20 Operating Instructions V3 – MOVITRAC® B
4Installation notes
Installation
4.2.15 Line filters
MOVITRAC®B frequency inverters have an integrated line filter as standard. They
comply with the following limit value class to EN 55011 on the line side without further
measures:
• Single-phase connection: C1 cable conducted
• Three-phase connection: C2
No EMC limits are specified for interference emission in voltage suply systems without
an earthed star point (IT system). The efficiency of line filters is severely limited.
4.2.16 Line protection and earth-leakage circuit breaker
• Install fuses at the beginning of the mains cable behind supply bus junction (see
basic unit wiring diagram).
• SEW-EURODRIVE recommends that you do not use earth-leakage circuit breakers.
However, if an earth-leakage circuit breaker is stipulated for direct or indirect
protection against contact, observe the following:
4.2.17 PE input connection
Earth-leakage currents ≥3.5 mA may occur during normal operation. Observe the
following for reliable PE connection:
• Power supply cable < 10 mm2(AWG7):
– Route a second PE conductor with the same cross section as the power supply
cable in parallel to the protective earth via separate terminals, or
– Use a copper protective earth conductor with a cross section of 10 mm2(AWG7)
• Power supply cable 10 mm2– 16 mm2(AWG7 – AWG5):
– Copper protective earth conductor with the cross section of the power supply
cable.
• Power supply cable 16 mm2– 35 mm2(AWG5 – AWG2):
– Copper protective earth conductor with a cross section of 16 mm2(AWG5)
• Power supply cable > 35 mm2(AWG2):
– Copper protective earth conductor with half the cross section of the power supply
cable.
TIP
Use only type B earth-leakage circuit breakers.
MOVITRAC®can cause direct current in the protective earth. In cases where an earth-
leakage circuit breaker is used for protection against direct or indirect contact, only
install a type B earth-leakage circuit breaker on the power supply end of the
MOVITRAC®unit.
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