4.1 Transport ...................................................................................................................................... 12
6.3.6 Insulation material class ............................................................................................................... 17
6.3.7 Vibration class .............................................................................................................................. 18
10 Technical data ...................................................................................................................................... 36
10.1 Term definitions ............................................................................................................................ 36
This description is only intended for trained specialists in control, automation and drive engineering who are
familiar with the applicable national standards. It is essential that the following notes and explanations are
followed when installing and commissioning these components. The "General safety instructions" and "Special
safety instructions for AM3000 and AM3500" sections are also essential.
The responsible staff must ensure that the application or use of the products described satisfy all the
requirements for safety, including all the relevant laws, regulations, guidelines and standards.
Danger for persons, the environment or equipment
The motors are operated in the drive system in conjunction with Beckhoff servo drives. Please
CAUTION
1.2 Disclaimer
This documentation has been prepared with care. The products described are, however, constantly under
development.
For this reason, the documentation may not always have been fully checked for consistency with the
performance data, standards or other characteristics described.
If it should contain technical or editorial errors, we reserve the right to make changes at any time and without
notice.
No claims for the modification of products that have already been supplied may be made on the basis of the
data, diagrams and descriptions in this documentation.
observe the entire documentation which consists of:
− AM3000 and AM3500 documentation (this manual)
− Complete documentation (online and paper) for Beckhoff servo drives available at
www.beckhoff.com.
− Complete machine documentation (provided by the machine manufacturer)
1.3 Brands
Beckhoff®, TwinCAT®, EtherCAT®, Safety over EtherCAT®, TwinSAFE® and XFC® are registered and licensed
brand names of Beckhoff Automation GmbH.
The use by third parties of other brand names or trademarks contained in this documentation may lead to an
infringement of the rights of the respective trademark owner.
1.4 Patents
The TwinCAT technology is patent protected, in particular by the following applications and patents:
EP0851348, US6167425 with the corresponding applications and registrations in various other countries.
Synchronous servomotors of the AM3000 and AM3500 series are designed as drives for handling equipment,
textile machines, machine tools, packaging machines and similar machines with demanding requirements in
terms of dynamics. The motors of the AM3000 and AM3500 series are exclusively intended for speed- and/or
torque-controlled operation via digital servo drives from Beckhoff.
The thermal protection contact incorporated in the motor windings must be analysed and monitored.
Caution – Risk of injury!
Electronic equipment is not fail-safe. The machine manufacturer is responsible for ensuring that
WARNING
The servomotors from the AM3000 and AM3500 series are exclusively designed for installation as components
in electrical systems or machines and may only be operated as integrated components of the system or
machine.
The motors may only be operated under the ambient conditions defined in this documentation.
the connected motors and the machine are brought into a safe state in the event of a fault in the
8 Version: 1.5 AM3000 / AM3500
conformity of the complete machine or system.
Drive Technology 2 Guidelines and Standards
2 Guidelines and Standards
Danger for persons, the environment or equipment
Servomotors of the AM3000 and AM3500 series are not classified as products within the
motor series AM3500
(types AM354x, AM355x, AM 356x)
complies with following relevant regulations:
− EC Directive 2004/108/EC
Electromagnetic compatibility
Applied harmonised standard EN 61800-3
− EC Directive 2006/95/EC
Electrical equipment designed for use within certain voltage limits
Applied harmonised standard EN 61800-5-1
Attachment of the CE marking: 2007
Issued by: Management
H. Beckhoff
Verl, 25.05.2007
meaning of the EC Machinery Directive. Operation of the servomotors in machines or systems is
only permitted once the machine or system manufacturers has provided evidence of CE
AM3000 / AM3500 Version: 1.5 9
3 Safety
DANGER
WARNING
CAUTION
Attention
Note
Drive Technology
3 Safety
3.1 General safety instructions
3.1.1 Personnel qualification
This description is only intended for trained specialists in control, automation and drive engineering who are
familiar with the applicable national standards.
3.1.2 Description of safety symbols
The following safety symbols and associated safety instructions are used in this document. These safety
instructions must be read and followed.
Serious risk of injury!
Failure to follow the safety instructions associated with this symbol directly endangers the life
and health of persons.
Caution – Risk of injury!
Failure to follow the safety instructions associated with this symbol endangers the life and
health of persons.
Personal injuries!
Failure to follow the safety instructions associated with this symbol can lead to injuries to
persons.
Damage to the environment or devices!
Failure to follow the safety instructions associated with this symbol can lead to damage to the
environment or equipment.
Tip or pointer
This symbol indicates information that contributes to better understanding.
UL note
This symbol indicates important information regarding UL certification.
10 Version: 1.5 AM3000 / AM3500
Drive Technology 3 Safety
3.2 Special safety instructions for AM3000 and AM3500
The safety instructions are designed to avert danger and must be followed during installation, commissioning,
production, troubleshooting, maintenance and trial or test assemblies.
The servomotors of the AM3000 and AM3500 series are not designed for stand-alone operation and are always
installed in a machine or system. After installation the additional documentation and safety instructions provided
by the machine manufacturer must be read and followed.
Serious risk of injury through high electrical voltage!
• Never open the servomotor when it is live. The measured voltage between terminals U, V
WARNING
and W must have dropped below 50 V. Opening the device would invalidate any warranty
and liability claims against Beckhoff Automation GmbH & Co. KG.
•Negligent, improper handling of the servomotor and bypassing of the safety devices can lead
to personal injury or death through electric shock.
• Ensure that the protective conductor is connected properly.
• The machine manufacturer must prepare a hazard analysis for the machine, and must take
appropriate measures to ensure that unexpected movements can not lead to injury to
persons or to material damage.
•Power leads may be live, even if the motor is not running. Never undo the electrical
connections to the motor when it is live. Under unfavourable conditions arcing may occur,
resulting in injury and damage to contacts.
WARNING
Attention
•Disconnect the servomotor from the servo drive and secure it against reconnection before
working on electrical parts with a voltage > 50 V.
•The DC link voltage of the servo drive may exceed 890 V. Wait until the DC link capacitors
are discharged before touching live terminals. The measured voltage between terminals DC+
and DC- (X02) must have dropped below 50 V.
Serious risk of injury through hot surfaces!
• The surface temperature may exceed 50 °C, resulting in a risk of burns.
• Avoid touching the housing during or shortly after operation.
• Leave the servomotor to cool down for at least 15 minutes after it is switched off.
• Use a thermometer to check whether the surface has cooled down sufficiently.
Danger for persons, the environment or equipment
•Carefully read this manual before using the servomotor thoroughly, paying particular
attention to the safety instructions. In the event of any uncertainties please notify your sales
office immediately and refrain from working on the servomotor.
•Only well trained, qualified electricians with sound knowledge of drive equipment may work
on the device.
•During installation it is essential to ensure that the specified ventilation clearances and
climatic conditions are adhered to. Further information can be found in the "Technical data"
and "Mechanical installation" sections.
•If a servomotor is installed in a machine it must not be commissioned until proof of
compliance of the machine with the latest version of the EC Machinery Directive has been
provided. This includes all relevant harmonised standards and regulations required for
implementation of this Directive in national legislation.
AM3000 / AM3500 Version: 1.5 11
4 Handling
AM301x
X
10
AM302x
X
10
AM303x
X 6 AM304x
X 6 AM305x
X 5 AM306x
X 1 AM307x
X 1 AM308x
X
1
Attention
Drive Technology
4 Handling
4.1 Transport
• Climate category:2K3 according to EN 50178
• Transport temperature:-25 °C - +70 °C, max. fluctuation 20 K/hour
• Transport humidity:relative humidity 5% - 95%, non-condensing
• The servomotor may only be transported by qualified personnel and in the manufacturer's original recyclable
packaging.
• Avoid hard impacts, particularly at the shaft end.
• If the packaging is damaged, check the motor for visible damage. Inform the transport company and, if
necessary, the manufacturer.
4.2 Packaging
• Cardboard packaging with Instapak
• You can return the plastic portion to the supplier (see Disposal)
Motor type Carton Max. stacking height
®
foam cushion.
4.3 Storage
• Climate category1K4 according to EN50178
• Storage temperature: -25 °C - +55 °C, max. fluctuation 20 K/hour
• Air humidity:relative humidity 5% - 95%, non-condensing
• Max. stacking height: see table Packaging
• Storage time:without limitation
• Store only in the manufacturer’s original recyclable packaging
4.4 Maintenance / Cleaning
• Maintenance and cleaning only by qualified personnel.
• The ball bearings have a grease filling with a service life of 20,000 hours under normal operating conditions.
The bearings should be replaced after 20,000 hours of operation under rated conditions.
•Check the motor for bearing noise every 2,500 operating hours or once per year. If any noises are heard,
stop the operation of the motor. The bearings must be replaced.
• Opening the motor invalidates the warranty.
• Clean the housing with isopropanol or similar.
Destruction of the servomotor
Never immerse or spray the servomotor.
12 Version: 1.5 AM3000 / AM3500
Drive Technology 4 Handling
4.5 Disposal
•In accordance with the WEEE 2002/96/EC Directives we take old devices and accessories back for
professional disposal, provided the transport costs are taken over by the sender. Please send the devices
to:
Beckhoff Automation GmbH & Co. KG
Eiserstrasse 5
33415 Verl
Germany
AM3000 / AM3500 Version: 1.5 13
5 Product identification
BECKHOFF
Type
SN Art.No.
Mo
Nm
Udc
V
Iso. cl.
Nn
r/min
In A IP
Made in EU
Flange size
8 = 250 mm
Rotor length
5
Feedback unit
8 SKM multi turn
Winding type
S = special winding
Shaft
5 food industry
AM30 6 2 – 0P 0 1 – 0000
Servomotor type
Serial number
Item number
Date of manufacture
Standstill torque
Nominal speed
DC link voltage
Rated current
Insulation class
Brake
1 24 V holding brake
Connection
6 terminal box
Protection class
5 Product identification
5.1 AM3000, scope of supply
Please check that the delivery includes the following items:
• Motor from the AM3000 series
• Motor package leaflet (short info)
5.2 AM3000 nameplate
5.3 AM3000 type key
Drive Technology
1 = 40 mm
2 = 58 mm
3 = 70 mm
4 = 84 mm
5 = 108 mm
6 = 138 mm
7 = 188 mm
0 rotatable angular connectors
1 0.5 m cable with connector
5 yTec connector
0 none brake
1
2
3
4
0 resolver, 2-pole
1 EnDAT single turn
2 EnDAT multi turn
3 BISS single turn
4 BISS multi turn
5 EQI single turn
6 EQI multi turn
7 SKS single turn
A…Z
0 smooth shaft
1 feather key groove
2 sealing ring – smooth shaft
3 sealing ring – feather key groove
14 Version: 1.5 AM3000 / AM3500
BECKHOFF
Type
SN Art.No.
Mo
Nm
Udc V Iso. cl.
Nn
r/min
In A IP
Made in EU
Flange size
6 138 mm
Rotor length
3
Brake
1 24V holding brake
Feedback unit
4 BISS multi turn
Winding type
9 special winding
Shaft
groove
AM35 4 1 – 00 0 1
Servomotor type
Serial number
Item number
Date of manufacture
Standstill torque
Nominal speed
DC link voltage
Rated current
Insulation class
Protection class
Drive Technology 5 Product identification
5.4 AM3500, scope of supply
Please check that the delivery includes the following items:
• Motor from the AM3500 series
• Motor package leaflet (short info)
5.5 AM3500 nameplate
5.6 AM3500 type key
4 84 mm
5 108 mm
1
2
0 without brake
0 Resolver
3 BiSS single turn
0 3000 min-1
1 6000 min
0 smooth shaft
1 feather key groove
2 sealing ring – smooth shaft
3 sealing ring – feather key
-1
AM3000 / AM3500 Version: 1.5 15
6 Technical description
3K3 according to EN 50178
+5 - +40 °C for site altitudes up to 1000 m amsl
above 40 °C and encapsulated installation of the motors.
95% relative humidity, non-condensing
For site altitudes above 1000 m amsl and 40 °C
reduction of 10K / 1000m
=20,000 operating hours
→ see Section 10
→ see Section 4
Drive Technology
6 Technical description
6.1 Design of the motors
The synchronous servomotors of the AM3000 and AM3500 series are brushless three-phase motors for
demanding servo-applications. In conjunction with our digital servo drives they are particularly suitable for
positioning tasks in industrial robots, machine tools, transfer lines etc. with demanding requirements in terms of
dynamics and stability.
The servomotors are equipped with permanent magnets in the rotor. This advanced neodymium magnetic
material makes a significant contribution to the motors' exceptional dynamic properties. A three-phase winding
is housed in the stator, and this is powered by the servo drive. The motor has no brushes, the commutation
being implemented electronically in the servo drive.
The temperature of the winding is monitored by temperature sensors in the stator windings and is signalled via
an electrically isolated thermistor (PTC, _550 Ω / _1330 Ω).
The motors normally have an integrated resolver to provide feedback. Beckhoff servo drives analyse the
resolver position of the rotor and supply the motors with sine currents. The optional feedback systems may
require modification of the motor length and cannot be retrofitted.
The motors are available with or without built-in holding brake. The brake cannot be retrofitted.
The motors have a matt black coating (RAL 9005). The finish is not resistant against solvents (e.g.
trichlorethylene, thinners or similar). The “Washdown”-model is white coated and FDA (Food and Drug
Administration) conform.
6.2 General technical data
Climate category
Ambient temperature
(at rated values)
Permissible humidity
(at rated values)
Power derating
(currents and torques)
Ball bearing service life
Technical data
Storage and transport data
It is vital to consult our applications department for ambient temperatures
6% at 2000 m amsl
17% at 3000m amsl
30% at 4000m amsl
55% at 5000m amsl
No derating for site altitudes above 1000 m amsl with temperature
16 Version: 1.5 AM3000 / AM3500
Drive Technology 6 Technical description
6.3 Standard features
6.3.1 Style
The basic style for the AM3000 and AM3500 synchronous servomotors is IM B5 according to DIN EN 60034-7.
IM B 5 (B5) IM V 3 (V3) IM V 1 (V)
The permitted mounting positions are specified in the technical data.
6.3.2 Shaft end, A-side
Power transmission is made through the cylindrical shaft end A, fit k6 (AKM1: h7) according to EN 50347, with
a locking thread or optionally with a feather key groove. The bearings are designed for a service life of 20,000
hours.
Radial force
If the motors drive via pinions or toothed belts, then high radial forces will occur. The permissible values at the
shaft end, depending on the speed, may be read from the diagrams in the Section 10. The permissible
maximum values can be found in the technical data. Power take-off from the middle of the free end of the shaft
allows a 10% increase in FR.
Axial force
Axial forces arise when assembling pinions or pulleys on the shaft and using angular gearheads, for example.
The permissible maximum values can be found in the technical data.
Coupling
Double-coned collets, possibly in association with metal bellows couplings, have proven themselves as
excellent, zero backlash coupling elements.
6.3.3 Flange
Flange dimensions according to IEC standard, fit j6 (AM301x: h7), accuracy according to DIN 42955
Tolerance class: N
6.3.4 Protection class
Standard version IP65
Standard shaft bushing IP54
Shaft bushing with shaft sealing ring IP67
6.3.5 Overtemperature protection
The standard version of each motor is fitted with an electrically isolated PTC with a rated temperature of 155 °C
± 5%. The PTC does not provide any protection against short, heavy overloading.
Provided that our preassembled cable is used, the PTC is integrated into the monitoring system of the digital
servo drives.
6.3.6 Insulation material class
The motors conform to insulation material class F according to IEC 60085 (UL 1446 class F).
AM3000 / AM3500 Version: 1.5 17
6 Technical description
<= 1800
90
23
> 1800
65
16
Resolver
Two-pole, hollow shaft
EnDAT Encoder, Singleturn
AM302x-AM304x: ECN 1113,
AM305x-AM307x: EQN 1325
EnDAT Encoder, Multiturn
AM302x-AM304x: EQN 1125
AM305x-AM307x: EQN 1325
BiSS Encoder, Single- / Multiturn
AM302x-AM304x: AD36
AM305x-AM307x: AD58
BiSS Encoder, Single- / Multiturn
AM35xx: AD34
Note
WARNING
Note
Drive Technology
6.3.7 Vibration class
The motors are made to vibration class A according to DIN EN 60034-14. For a speed range of 600-3600 rpm
and a shaft centre height between 56-132 mm, this means that the actual value of the permitted vibration
severity is 1.6 mm/s.
Speed [rpm] Max. rel. vibration
displacement [µm]
Max. run-out [µm]
6.3.8 Connection technology
The motors are fitted with angular connectors (AM301x: straight connectors at the cable ends) for the power
supply and the feedback signals.
The mating connectors are not included in the scope of supply. We can supply preassembled feedback and
power cables. Information regarding the cable materials can be found in Section 8.2.
6.3.9 Feedback unit
Standard
Option
Option
Option
Option
Motor length
The motor length depends on the built-in feedback unit, among other factors. Retrofitting is not
possible.
6.3.10 Holding brake
Serious risk of injury!
The holding brake is not personal safety. If the brake is released then the rotor can be moved
without a remanent torque!
The AM302x-AM308x and AM35xx motors are optionally available with an in-built holding brake. The AM3000
model features a spring-actuated brake (24 V DC), the AM3500 features a permanent-magnet brake (24 V DC).
When the brake is de-energised it blocks the rotor. The holding brakes are designed as standstill brakes
and are not suited for repeated operational braking.
The holding brakes can be controlled directly by the servo drive (no personal safety!), in which case the brake
winding is suppressed in the servo drive. Additional circuitry is not required.
If the holding brake is not controlled directly by the servo drive, additional circuitry (e.g. varistor) is required.
Consult our applications department beforehand.
Motor length
The motor length depends on the built-in holding brake, among other factors. It is not possible to
fit one at a later date.
18 Version: 1.5 AM3000 / AM3500
AM301x
6
AM304x
10
AM307x
10
AM354x
10
AM302x
6
AM305x
10
AM308x
10
AM355x
10
AM303x
8
AM306x
10
AM356x
10
data.
Drive Technology 6 Technical description
6.3.11 Pole numbers
Motor Poles Motor Poles Motor Poles Motor Poles
6.4 Options
Holding brake
The holding brake is integrated in the motor. It increases the motor length.
Radial shaft-sealing ring
Radial shaft-sealing ring (Teflon) for sealing against oil mist and oil spray. This increases the protection class of
the shaft bushing to IP67.
Feather key
The motors are available with feather key groove and fitted feather key according to DIN6885. The rotor is
balanced with half a feather key.
EnDat (only AM30xx), BiSS
This model features a different feedback system in place of the resolver, which may result in an increase of the
motor length.
Installation options and reduction of rated values
With the exception of the sealing ring, the options cannot be retrofitted.
Note
Options such as sealing ring, holding brake, EnDAT or BiSS can lead to a reduction of the rated
6.5 Selection criteria
The three-phase servomotors are designed for operation with servo drives.
Both units together form a speed or torque control loop.
The main selection criteria are:
— Standstill torque M0 [Nm]
— Rated speed at rated supply voltage nn [min-1]
— Moment of inertia of motor and load J [kgcm²]
— Effective torque (calculated) Mrms [Nm]
The static load and the dynamic load (acceleration/braking) must be taken into account in the calculation of the
required motors and servo drives. Formulas and calculation example are available from our applications
department on request.
AM3000 / AM3500 Version: 1.5 19
7 Mechanical installation
2
0
min
x
F
M
dR≥
7 Mechanical installation
7.1 Important notes
Destruction of the motors
• Protect the motors from unacceptable stresses. Take care, especially during transport and
Attention
handling, that components are not bent and that insulation clearances are not altered.
•The site must be free of conductive and aggressive material. For V3-mounting (shaft end
upwards), make sure that no liquids can enter the bearings.If an encapsulated assembly is
required, please consult our applications department beforehand.
•Ensure unhindered ventilation of the motors and observe the permissible ambient and flange
temperatures. For ambient temperatures above 40 °C please consult our applications
department beforehand.
•Servomotors are precision devices. The flange and shaft are especially vulnerable during
storage and assembly. It is important to use the locking thread which is provided to tighten
up couplings, gear wheels or pulleys and warm up the drive components, where possible.
Blows or the use of force will lead to damage to the ball bearings and the shaft.
Drive Technology
•Wherever possible, use only backlash-free, frictionally-locking collets or couplings. Ensure
correct alignment of the couplings. A displacement will cause unacceptable vibration and the
destruction of the ball bearings and the coupling.
•For toothed belts, it is vital to observe the permissible radial forces. An excessive radial load
on the shaft will significantly shorten the life of the motor.
•Avoid axial loads on the motor shaft, as far as possible. Axial loading significantly shortens
the life of the motor.
•In any case, avoid creating a mechanically constrained motor shaft mounting by using a rigid
coupling with additional external bearings (e.g. in a gearbox).
•Take note of the no. of motor poles and the no. of resolver poles and ensure that the correct
setting is made in the used servo drives. An incorrect setting can lead to the destruction of
the motor, especially with small motors.
•Check compliance the permitted radial and axial loads F
drive, the minimum permitted diameter of the pinion follows from the equation:
and FA. When using a toothed belt
R
20 Version: 1.5 AM3000 / AM3500
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