General safety and application notes for Lenze motor starters
1Safety instructions
1.1General safety and application notes for Lenze motor starters
(according to Low-Voltage Directive 73/23/EEC)
General
Lenze motor starters - according to their enclosure - can have live, and also moving or
rotating parts during operation. Surfaces can be hot.
Non-authorised removal of the required cover, inappropriate use, incorrect installation or
operation create the risk of severe injury to persons or damage to material assets.
More information can be obtained from the documentation.
All operations concerning transport, installation, and commissioning as well as
maintenance must be carriedout byqualified, skilled personnel(IEC 364/CENELEC HD 384
or DIN VDE 0100 and IEC report 664 or DIN VDE 0110 and national regulations for the
prevention of accidents must be observed).
1
According to this basic safety information qualified, skilled personnel are persons who are
familiar with the assembly, installation, commissioning, and operation of the product and
who have the qualifications necessary for their occupation.
Application as directed
Motor starters are components intended for the installation in electrical systems or
machines. They are nothousehold appliances,but are designed as componentsexclusively
for application for commercial or professional use in accordance with EN 61000-3-2. The
documentation contains notes concerning the compliance with the limit values in
accordance with EN 61000-3-2.
When installing the motor starters into machines, commissioning (i.e. starting of
operation as directed) is prohibited until it is proven that the machine corresponds to the
regulations of the EC Directive 98/37/EC (Machinery Directive); EN 60204 must be
observed.
Commissioning (i.e. starting of operation as directed) is only allowed when there is
compliance with the EMC Directive (89/336/EEC).
The motor starters comply with the requirements of Low-Voltage Directive 73/23/EEC.
The harmonised standards of the E N 60947-4-2/DIN VDE 0660 series are applied to the
motor starters.
The technical data as well as the connection conditions can be obtained from the
nameplate and the documentation. They must be strictly observed.
Warning: The motor starters are products with a limited availability in accordance with
EN 60947-4-2/DIN VDE 0660. These products c an cause radio interferences in residential
areas. In this case, the operator may be required to implement corresponding measures.
EDSLCMX3024-SPS EN 5.0
7
1
Safety instructions
General safety and application notes for Lenze motor starters
Transport, storage
Please observe the notes on transport, storage and appropriate handling.
Observe the climatic conditions in accordance with EN 60947-4-2/DIN VDE 0660.
Installation
The motor starters must be installed and cooled according to the instructions given in the
corresponding documentation.
Ensure proper handling and avoid mechanical stress. Do not bend any components and do
not change any insulation distances during transport or handling. Do not touch any
electronic components and contacts.
Motor starters contain electrostatically sensitive components, which can easily be
damaged by inappropriate handling. Do not damage or destroy any electrical components
since this might endanger your health!
Electrical connection
When working on live m otor starters, the valid national regulations for the prevention of
accidents (e.g. VBG 4) must be observed.
The electrical installation must be carried out according to the appropriate regulations
(e.g. cable cross-sections, fuses, PE connection). Additional information can be obtained
from the documentation.
Notes about installation according to EMC regulations (shielding, earthing, filters and
cable routing) are included in the documentation. These notes also apply to CE-marked
motor starters. The compliance with limit values required by the EMC legislation is the
responsibility of the manufacturer of the machine or system.
Operation
If necessary, systems including motor starters must be equipped with additional
monitoring and protection devices according to the valid safety regulations (e.g. law on
technical equipment, regulations for the prevention of accidents). The motor starters can
be adaptedto your application. Please observe the corresponding information givenin the
documentation.
All protection covers and doors must be shut during operation.
Note for UL-approved systems with integrated motor starters: UL warnings are notes that
only apply to UL systems. The documentation contains special UL notes.
Maintenance and servicing
The motor starters do not require any maintenance if the prescribed conditions of
operation are observed.
Disposal
Recycle metal and plastic materials. Ensure professional disposal of assembled PCBs.
Observe the product-specific safety and application notes given in these instructions!
8
EDSLCMX3024-SPS EN 5.0
1.2Residual hazards
Protection of persons
ƒ The X2x power connector contacts can conduct hazardous voltages if the motor
starter is connected to the mains. Therefore, disconnect the motor starter before
carryingoutanyworkonit.
ƒ The X2x power connector contacts also conduct hazardous voltages when the motor
starter is disabled. Depending on the risk analysis of the machine/system, you may
have to take additional protective measures.
ƒ Operation at ambient temperatures > 40°C:
– The operating temperature of the motor starter housing is > 60°C.
– Depending upon the risk analysis of the machine/system, you may have to use
additional protective covers.
Motor protection
ƒ The connected motor can overheat if
– motors are operated on the motor starter that do not feature temperature
monitoring with PTC thermistor (PTC) or thermal contact (NC contact)
– temperature monitoring with PTC thermistor (PTC) or thermal contact (NC
contact) is not connected to the motor starter
– temperature monitoring is not activated (C0119)
– the set rated motor current for I
2
t monitoring is switched off (C0121)
–I
Safety instructions
Residual hazards
2
t monitoring is not adjusted to the motor (C0120)
1
EDSLCMX3024-SPS EN 5.0
9
1
1.3Definition of notes used
Safety instructions
Definition of notes used
The following pictographs and signal words are used in this documentation to indicate
dangers and important information:
Safety instructions
Structure of safety instructions:
Danger!
(characterises the type and severity of danger)
Note
(describes the danger and gives information about how to prevent dangerous
situations)
Pictograph and signal wordMeaning
Danger!
Danger!
Stop!
Danger of personal injury through dangerous electrical voltage.
Reference to an imminent danger that may result in death or serious
personal injury if the corresponding measures are not taken.
Danger of personal injury through a general source of danger.
Reference to an imminent danger that may result in death or serious
personal injury if the corresponding measures are not taken.
Danger of property damage.
Reference to a possible danger t hat may result in property damage if the
corresponding measures are not taken.
EMCCompliance with the requirements in accordance with EN 60947-4-2
Noise emissionCompliance with limit class B in accordance with EN 60947-4-2
Leakage current to PE
(according to EN 50178)
Enclosure
Protective measures againstMotor overtemperature
Protective insulation of c ontrol
circuits
Insulation resistanceOvervoltage category III to VDE 0110
Service switchRotary switch, triple locking
DIN EN 60947-4-2 Semiconductor motor control units and motor starters for
EN954 KAT3Safe torque off (STO) according to category 3
<3.5mA
IP 54
NEMA 250 type 4
(input for PTC or thermal contact, I
Safe disconnection from mains:
double/reinforced insulation to EN 50178
reset feedback contact for status message and fault message (TRIP reset)
Technical data
EMC Directive (93/68/EEC)
AC voltage
All connectors that are not used have to be closed by
means of protection covers or blanking plugs.
2
t monitoring)
3
EDSLCMX3024-SPS EN 5.0
15
3
Technical data
General data and operating conditions
Operating conditionsValuesDeviating values
Mechanical tests
Accelerational stabilityUp to 1 g in accordance with
Vibration resistanceIn accordance with EN 50178 or
Shock resistance2m2 in accordance with
Ambient conditions
Climatic conditions
Storage 1k3 in accordance with
Transport 2k3 in accordance with
Operation 3k3 in accordance with
Site altitude0 ... 4000 m amslReduce the rated output current by 5%/1000
Degree of pollution2 in accordance with VDE 0110 part 2
Mounting location
Mounting positions
vertical Motor plug downwards
horizontal Front cover upwards
Mounting clearances
to the sides
Germanischer Lloyd, general
conditions
EN 60068-2-6
IEC/EN 60721-3-2
IEC/EN 60721-3-1
IEC/EN 60721-3-2
IEC/EN 60721-3-3
21Theactualfreespaceisdeterminedbythe
above
below
-25 °C ... +70 °C
-10 °C ... +45 °C
m above 1000 m amsl.
connectors used and the cable bending radii.
16
EDSLCMX3024-SPS EN 5.0
3.2Rated data
Motor starter typeELCAMxI7514SNNPSNN 1524SNNPSNN 2224SNNPSNN 3024SNNPSNN
Supply voltage (safely separated power supply unit SELV/PELV)
Voltage rangeU
Current consumption at
+24VDC
Motor switch
Mains voltage
(switched voltage)
Cyclic switchingMax. 600 switchings / h
Cable protection16 A, integrated into the housing
Max. motor power
(total power of connected
Lenze motors)
Max. continuous output
current
(sum of the output currents)
+ 24 V DC (+20 V DC - 0% ... +26.5 V DC + 0%)
Min. 1 A (no digital inputs and outputs connected)
Max. 5 A (all digital inputs and outputs connected)
3/PE AC 320 V - 0% ... 530 V + 0%; 45 Hz - 0% ... 65 Hz + 0%
= mains voltage
2
t tripping characteristic: 19)
(I
relating to max. continuous output current
5.55.55.55.5
3
EDSLCMX3024-SPS EN 5.0
17
3
Technical data
Rated data
Note!
The motor starters are designed for rated currents between 1 A and 7 A.
If motors with rated currents < 1 A are operated on the motor starters, please
observe the following:
ƒ The internal I
– Switch off the internal I
– Use a PTC or thermal contact (NC contact) to monitor the motor
temperature
– Appropriate external motor protection switches can be used in addition.
ƒ The mains phase failure control can respond during operation, although no
main failure has occurred.
– Deactivate the mains phase failure control (C0122 = 3) to ensure that the
drive will not switch off with an error message.
2
xt monitoring cannot be used because of the low current.
2
xt monitoring (C0121 = 0).
18
EDSLCMX3024-SPS EN 5.0
Technical data
Rated data
I2t tripping characteristic:
According to DIN EN 60947-4-2 (AC semiconductor motor controllers and starters)
8
7.2
6
5
r
I/I
1.05
4
3
2
0.010.11101001000100000.02
Class 10A
Class 10
t [s]
Class 20
Class 30
3
start031
Tripping classes
Class 10A
Class 10
= Lenze setting
Class 20
Class 30
I= Output current
I
r
Example for
Class 10:
= Rated motor current, can be set in C0120
The motor starter shuts down with an error message, if the output current I measures 4 times
the set rated motor current I
Note!
Regardless of the tripping class set, the motor starter always shuts down if the
output current I measures 8 times the set rated motor current I
Tripping classes, can be set in C0121
for approx. 13 s.
r
for 20 ms.
r
EDSLCMX3024-SPS EN 5.0
19
4
Mechanical installation
Dimensions
4Mechanical installation
4.1Dimensions
20
lcu12x_000b
EDSLCMX3024-SPS EN 5.0
4.2Mounting clearance
Mechanical installation
Mounting clearance
4
lcu12x_000f
EDSLCMX3024-SPS EN 5.0
21
5
Electrical installation
Important notes
5Electrical installation
5.1Important notes
Note!
ƒ Please keep the plastic covers on the connectors for the control connections
and interfaces!
ƒ Cover unused connections during transport, storage and operation with the
plastic covers to preserve the certified safety engineering features.
Danger!
ƒ The X2x power connector contacts can conduct hazardous voltages if the
motor starter is connected to the mains. Therefore, disconnect the motor
starter before carrying out any work on it.
ƒ All control terminals feature only basic insulation (single isolating distance)
following the connection of a PTC thermistor (PTC) or a thermal switch (NC
contact):
– Protection against accidental contact with defective isolating distance can
only be ensured through external measures, e.g. double insulation.
ƒ To avoid injury to persons and breakdowns, it is essential that the motor
starter is properly earthed via X10!
Stop!
Ensure trouble-free operation of the motor starter:
ƒ Avoid compensating currents via the PROFIBUS cable shield:
– For this, connect all devices with a 16 mm
– Lay cable in parallel to bus cable.
– Use a copper braid cable to connect the FE bolts with the mounting
surface.
ƒ Properly lock the connector plugs.
2
cableviatheFEbolts.
22
EDSLCMX3024-SPS EN 5.0
EMC-compliant wiring
Note!
ƒ Use a copper braid cable to connect the PE bolt with the mounting surface.
ƒ Separate control and data cables from motor cables.
ƒ Connect control and data cable shields at both ends.
Integrated safety engineering
Note!
Please observe during transport, storage and operation:
ƒ Cover unused connectors for control connections and interfaces with the
plastic covers provided to preserve the certified safety technology features.
Electrical installation
Important notes
5
EDSLCMX3024-SPS EN 5.0
23
5
Electrical installation
Basic circuit diagram
ELCAMWIxxx4SNNPSNN motor starter
5.2Basic circuit diagram
5.2.1ELCAMWIxxx4SNNPSNN motor starter
BS1
X10
3/PE AC 400 V
PE
a
F1
16 A
K1
4 * 2.5 mm
1
23
S0
STO
K2
~
2
X11
24 V DC
-
+
b
1
23
C
X31
X32
FE
PROFIsafe
FE
PROFIsafe
FE
X60
L1
L2
L3
N
PE
123456
ca
X21
~ ~ S1 S2
-+
BRK1
123
PE
PE
V1
U1
Th
M
3~
PE
W1
F1Cable protection (observe cable protection standards for fuse dimensioning!)
K1Main contactor
K2Contactor for 24 V supply
FEFunctional earth for compliance with EMC conditions, prevents compensating currents
via the PROFIBUS cable shield
S0Service switch
BS1Brake control, motor 1
BRK1Spring-operated brake, motor 1
ThPTC thermistor (PTC) or thermal contact (NC contact)
STOSafetorqueoffviaPROFIsafe
lcu121_001
24
EDSLCMX3024-SPS EN 5.0
5.2.2ELCAMZIxxx4SNNPSNN motor starter
Basic circuit diagram for normal operation
Electrical installation
Basic circuit diagram
ELCAMZIxxx4SNNPSNN motor starter
5
BS1
X10
3/PE AC 400 V
PE
a
F1
16 A
K1
4* 2.5 mm
1
23
S0
STO
K2
~
2
X11
24 V DC
-
+
b
1
23
C
BS2
X31
X32
FE
PROFIsafe
FE
PROFIsafe
FE
X60
L1
L2
L3
N
PE
123456
ca
X21
~ ~ S1 S2
-+
BRK1
123
PE
PE
V1
U1
Th
M
3~
PE
W1
123456
c
X22
~ ~ S1 S2
-+
BRK2
F1Cable protection (observe cable protection standards for fuse dimensioning!)
K1Main contactor
K2Contactor for 24 V supply
FEFunctional earth for compliance with EMC conditions, prevents compensating currents
via the PROFIBUS cable shield
S0Service switch
BS1Brake control, motor 1
BRK1Spring-operated brake, motor 1
BS2Brake control, motor 2
BRK2Spring-operated brake, motor 2
ThPTC thermistor (PTC) or thermal contact (NC contact)
STOSafetorqueoffviaPROFIsafe
123
PE
PE
U1
Th
a
V1
M
3~
PE
W1
lcu122_001
EDSLCMX3024-SPS EN 5.0
25
5
Electrical installation
Basic circuit diagram
ELCAMZIxxx4SNNPSNN motor starter
Basic circuit diagram for reversing operation
BS1
2
3/PE AC 400 V
K10
F1
16 A
K2
L1
L2
L3
N
PE
4 * 2.5 mm
~
X10
K1
PE
a
1
23
S0
STO
X11
24 V DC
-
+
b
1
23
μC
BS2
X31
X32
FE
PROFIsafe
FE
PROFIsafe
FE
X60
123456
ca
X21
~ ~ S1 S2
-+
BRK1
123
PE
PE
V1
U1
Th
M
3~
PE
W1
123456
c
X22
~ ~ S1 S2
-+
BRK2
F1Cable protection
Observe cable protection standards for fuse dimensioning!
K1Main contactor
K10Contactor relay: Changeover between normal operation and reversing operation
K2Contactor for 24 V supply
FEFunctional earth for compliance with EMC conditions, prevents compensating currents
via the PROFIBUS cable shield
S0Service switch
BS1Brake control, motor 1
BRK1Spring-operated brake, motor 1
BS2Brake control, motor 2
BRK2Spring-operated brake, motor 2
ThPTC thermistor (PTC) or thermal contact (NC contact)
STOSafetorqueoffviaPROFIsafe
Connector: Pins, Harting HAN-Modular
3/PE AC 320 V - 0% ... 530 V + 0%
5
lcu12x_000c
X11 - 24 V DC connection
PinConnectionDescriptionData
Connector: Pins, Harting HAN-Modular
b124 V DCVoltage supply for control electronics
b2n. c.Not assigned
b3GNDReference potential
Safely separated power supply unit
(SELV/PELV)
+24 V DC
(+20 V DC - 0% ... +26.5 V DC + 0%)
Max. 5 A
EDSLCMX3024-SPS EN 5.0
27
5
Electrical installation
Motor connection
ELCAMWIxxx4SNNPSNN motor starter
5.4Motor connection
5.4.1ELCAMWIxxx4SNNPSNN motor starter
X21 - Motor 1 connection
PinConnectionDescriptionData
a1U1Phase U1
a2V1Phase V1
a3W1Phase W1
lcu121_000d
Connector: Socket, Harting HAN-Modular
Output voltage = mains voltage
Max. continuous output current
dependent on type
(sum of all output currents)
c1+PTCMotor temperature monitoringPTC thermistor (PTC) or thermal contact
c2~
c3~
c4S1
c5S2
c6-PTCMotor temperature monitoringPTC thermistor (PTC) or thermal contact
PEPE conductor
Brake rectifier supply voltageThe brake rectifier is installed in the motor
Switch for disconnection on the DC side
(NC contact)
terminal box
(NC contact)
28
EDSLCMX3024-SPS EN 5.0
5.4.2ELCAMZIxxx4SNNPSNN motor starter
X21 - Motor 1 connection
PinConnectionDescriptionData
a1U1Phase U1
a2V1Phase V1
a3W1Phase W1
Electrical installation
Motor connection
ELCAMZIxxx4SNNPSNN motor starter
Connector: Socket, Harting HAN-Modular
Output voltage = mains voltage
Max. continuous output current
dependent on type
(sum of all output currents)
5
lcu122_000d
c1+PTCMotor temperature monitoringPTC thermistor (PTC) or thermal contact
c2~
c3~
c4S1
c5S2
c6-PTCMotor temperature monitoringPTC thermistor (PTC) or thermal contact
PEPE conductor
X22 - Motor 2 connection
PinConnectionDescriptionData
a1U1Phase U1
a2V1Phase V1
a3W1Phase W1
c1+PTCMotor temperature monitoringPTC thermistor (PTC) or thermal contact
c2~
c3~
c4S1
c5S2
c6-PTCMotor temperature monitoringPTC thermistor (PTC) or thermal contact
PEPE conductor
Brake rectifier supply voltageThe brake rectifier is installed in the motor
Switch for disconnection on the DC side
Brake rectifier supply voltageThe brake rectifier is installed in the motor
Switch for disconnection on the DC side
(NC contact)
terminal box
(NC contact)
Connector: Socket, Harting HAN-Modular
Output voltage = mains voltage
Max. continuous output current
dependent on type
(sum of all output currents)
(NC contact)
terminal box
(NC contact)
EDSLCMX3024-SPS EN 5.0
29
5
5.5Safety engineering
Electrical installation
Safety engineering
Please observe the following safety instructions and application notes to preserve the
certified safety engineering features and to ensure trouble-free and safe operation.
Danger!
Danger to life through improper installation
Improper installation of the safety engineering systems can cause an
uncontrolled restart of the drives.
Possible consequences:
ƒ Death or severe injuries
Protective measures:
ƒ Safety engineering systems may only be installed and commissioned by
qualified and skilled personnel.
ƒ All control components (switches, relays, PLC, ...) and the control cabinet
must comply with the requirements of EN 954-1 and ISO 13849-2. This
includes i.a.:
– Switches, relays in IP54 enclosure.
– Control cabinet in IP54 enclosure.
– Please refer to EN 954-1 and ISO 13849-2 for all further requirements.
ƒ It is essential to use insulated wire end ferrules for wiring.
ƒ If safety-relevant cables are installed outside the control cabinet, they have
to be protected, e.g. by means of a cable duct:
– Ensure that there are no short circuits.
– For further measures see ISO 13849-2.
ƒ If an external force acts upon the drive axes, additional brakes are required.
Please observe that hanging loads are subject to the force of gravity!
30
Danger!
Danger to life through improper installation
Improper installation of the safety engineering systems can cause an
uncontrolled restart of the drives.
Possible consequences:
ƒ Death or severe injuries
Protective measures:
Total cable length between X60 and the connected components (e.g. sensors,
devices, etc.) > 3 m:
ƒ It is essential to shield the cable installed between X60 and the connected
components:
– Connect the shield at least to X60 in the connector shell.
– If possible, connect the shield to the connected component as well.
Total cable length between X60 and the connected components (e.g. sensors,
devices, etc.) < 3 m:
ƒ Unshielded wiring is permitted.
EDSLCMX3024-SPS EN 5.0
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