Product Information

AEF 1323
Absolute Rotary Encoder
for Integration in Elevator
Servo Drives

03/2018

AEF 1323– The versatile digital feedback system for elevator drives

Modern elevator technology primarily
employs direct drive motors, withpermanent-magnet synchronous motors
being the predominant drive system.
When it comes to the selection of drive
systems for new elevators ormodernization projects, the following
characteristics are important:• Compact design• High power density• High energy efficiency• Maintenance-free design
In certain market segments, factors suchas passenger comfort and ride smoothness are also among the important selection criteria. An efficient drive package isessential for optimally meeting these requirements. And a key component of any
drive package consisting of an inverter anda motor is its rotary encoder—the drive’s
feedback system. The encoder provides­position values for determining the actual
rotational speed of the elevator’s motorand for controlling the motor windings inpermanent-magnet motors. Both measuring tasks are vital for achieving a high levelof ride smoothness and energy efficiency.
With the AEF 1323 rotary encoder,
HEIDENHAIN is offering a solution perfectly tailored to meet these requirements.

As the communication link between themotor and the inverter, the digital EnDat
2.2 protocol offers additional important
advantages. During commissioning of theinverter, the parameters of the rotary
encoder and the predefined parameters forthe motor and brake can be loaded fromthe EEPROM area (electronic ID label) of
the rotary encoder electronics. This saves
time and avoids the entry errors that areotherwise difficult to rule out when thedrive system is configured manually. Inaddition, the EnDat 2.2 protocol supports
monitoring functions that make it possible
to ensure high availability for the elevatorsystem.
The sophisticated electronics of the rotary
encoder enable the evaluation of theencoder’s internal temperature sensor andof an optional external temperature sensor
as well. These electronics also provide
diagnostic values in the form of valuation
numbers for assessing the encoder’sfunctional reserves. The temperatureand diagnostic values are transmitted
continuously in a closed loop to the inverter
for further processing. When critical values
change, preventive measures can beinitiated in order to avoid unscheduled
maintenance of the elevator.
The AEF 1323 features the option ofstoring operating data within the rotary
encoder itself. This data can then beevaluated in the event of disruptions orfor the purpose of fault analysis andprevention. Storing this data in the rotary
encoder permits evaluation even after themotor and the rotary encoder have been

The AEF 1323 provides the inverter withposition information at a resolution of
23 bits (8 388 608 distinguishable
positions) and a clock rate of up to 4 MHz.
This enables highly dynamic and efficient
motor control, so that elevator passengers
barely even notice changes in position.
It also allows elevator manufacturers to
expand the range of possible travel options(e.g., by including a fast start function).
The AEF 1323 also offers significant
advantages when it comes to thecommissioning process. For example,
the protocol of the AEF 1323 enables theassignment of any position value (e.g.,
zeroing of the singleturn position value).
This facilitates and speeds up optimum
torque alignment with the correct phasebetween the inverter and the magnetic
field of the motor. Due to its highresolution, the AEF 1323 can be precisely
adapted to many different numbers of polepairs, allowing a single rotary encoder
model to be combinable with a wide rangeof motor designs.

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Product Information AEF 1323   03/2018

disconnected from the inverter. With its
highly reliable data transmission andcarefully configured warning and alarm
sources, the AEF 1323 offers strong selfmonitoring and evaluation capability.
Thanks to its operating temperature rangeof up to +100 °C, the AEF 1323 is also well
suited for particularly demanding and highperformance drive technology. Moreover,the digital design of the rotary encoder isresilient against electromagneticinterference. The system demonstrates
strong resistance to interference imposedon its differentially transmitted (RS-485) bit
sequences. In addition, connecting cables
with only six wires and an external shieldsimplify the connection technology. The

ample supply voltage range, from +4.5 V to+14 V, eliminates the need for sense lines
for monitoring the supply voltage in thecase of large cable lengths, and it keeps
the level of provisioning complexity low. In
addition to reverse-polarity protection, theunit’s electronics feature an ESD-resistant
RS-485 interface for a high degree ofprotection during installation and operation.
As an alternative to a functional connectionof the digital rotary encoder with EnDat 2.2
protocol, units with SSI protocol areavailable as well.
The mechanical connection of the rotary
encoder can be adapted to the respective
elevator motor application. You have a

Supply voltage

choice between two mechanical mounting
options with a standardized taper shaft.
One of the mounting systems, which uses
an expanding ring coupling, is highly rigid
and thus optimized for dynamic control.
The other has a more forgiving design
when it comes to mounting tolerances
thanks its stator coupling for planesurfaces. The latter option can compensate
for axial offsets (up to ±1.5 mm) that arise
during mounting and can also compensate
for static direction-dependent eccentricityof the motor shaft (up to ±0.13 mm). The
additional permissible runout error of themotor shaft is likewise a maximum of
0.13 mm.

DC 4.5 ... 14 V

Clock 4 MHz
Data

Positions, Parameters, Programming,
Electronic ID label, Diagnostics, Temperature

TMotorProduct Information AEF 1323   03/2018

3

AEF 1323
Rotary encoder with integral bearing for elevator technology• 06 stator coupling for axial mounting and compensation of mounting tolerances• Rigid shaft coupling with 65B tapered shaft• Standardized dimensions for various interfaces















A = Bearing of mating shaft
k = Required mating dimensions
m = Measuring point for operating temperature
1 = Clamping screw for coupling ring width A/F 2; tightening torque: 1.25 –0.2 Nm
2 = Die-cast cover
3 = Screw plug, width A/F 3 and A/F 4; tightening torque 5 +0.5 Nm
4 = PCB connector
5 = Location of reference marks of shaft and housing
6 = M6 back-off thread
7 = M10 back-off thread
8 = Self-tightening screw as per ISO 6912 – M5 x 50 – 08.8, width A/F 4; tightening torque: 5 +0.5 Nm
9 = Compensation for mounting tolerances and thermal expansion; no dynamic motion permitted
10 = Direction of shaft rotation for output signals as per the interface description

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Product Information AEF 1323   03/2018

Absolute
AEF 1323Interface1)

EnDat 2.2

SSI

Ordering designation

EnDat22

SSI03r1

Position values per rev.

8 388 608 (23 bits)

Elec. permissible speed 15 000 rpm (for continuous position value)

Calculation time tcal
Clock frequency

 7 µs 4 MHzLine count

2048

System accuracy±20”

Electrical connection

16-pin PCB connector with connection for2)
temperature sensor

Supply voltage

DC 4.5 V to 14 V

Power consumption(max.)

4.5 V:  0.6 W
14 V:  0.7 W

Current consumption(typical)

4.5 V: 85 mA (typical, without load)

Stator couplingExpanding ring coupling

Natural frequency of thestator coupling 1800 Hz

Shaft

Taper shaft ¬ 9.25 mm; taper 1:10

Mech. permiss. speed n

 15 000 rpm

Starting torque 0.01 Nm (at 20 °C)

Moment of inertia of rotor

2.6 · 10–6 kgm2

Permiss. axial motion of
measured shaft±0.5 mm

Vibration 55 Hz to 2000 Hz
Shock 6 ms

 300 m/s2 (EN 60 068-2-6)
 2000 m/s2 (EN 60 068-2-27)

Max. operating temp.

100 °C 5 µs12-pin PCB connector

Min. operating temperature –40 °C
Protection EN 60 529

IP40 when mountedMass≈ 0.25 kg

Valid for ID

1179213-021)
2)1179215-01

With reverse polarity protection diode and short-circuit protected outputs (against UP up to +12 V)
Evaluation optimized for KTY 84-130

Product Information AEF 1323   03/2018

5

AEF 1323
Rotary encoder with integral bearing for elevator technology• Simple installation• Rigid shaft coupling with 65B tapered shaft• 66A plane-surface coupling for large mounting tolerances• Standardized dimensions for various interfaces

③④①②

⑤⑧⑥⑦

A = Bearing of mating shaft
B = Bearing of encoderⓀ = Required mating dimensionsⓂ = Measuring point for operating temperature
1 = Screw plug width A/F 3 and 4; tightening torque 5 Nm +0.5 Nm
2 = PCB connector
3 = Self-locking screw as per ISO 6912 – M5 x 50 – 08.8, width A/F 4; tightening torque: 5 Nm +0.5 Nm
4 = M10 back-off thread
5 = M6 back-off thread
6 = Max. permissible tolerance during motor shaft rotation: ±1.5 mm
7 = Max. permissible static radial offset of motor shaft in indicated direction: ±0.13 mm
8 = Direction of shaft rotation for output signals according to interface description

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Product Information AEF 1323   03/2018

Absolute
AEF 1323
Interface1)

EnDat 2.2

SSI

Ordering designation

EnDat22

SSI03r1

Position values/revolution

8 388 608 (23 bits)

Elec. permissible speed 15 000 rpm (for continuous position value)

Calculation time tcal
Clock frequency

 7 µs 4 MHzLine count

2048

System accuracy±20”

Electrical connection

16-pin PCB connector with connection for2)
temperature sensor

Supply voltage

DC 4.5 V to 14 V

Power consumption (max.)

4.5 V:  0.6 W
14 V:  0.7 W

Current consumption(typical)

4.5 V: 85 mA (typical, without load)

Stator coupling

Plane-surface coupling

Natural frequency of thestator coupling 400 Hz

Shaft

Taper shaft ¬ 9.25 mm; taper 1:10

Mech. permiss. speed n

 2 000 rpm

Starting torque 0.01 Nm (at 20 °C)

Moment of inertia of rotor

2.6 · 10–6 kgm2

Permiss. Axial motion ofmeasured shaft3)±1.5 mm

Permiss. axial motion ofmeasured shaft

0.13 mm (static radial offset additionally ±0.13 mm)

Vibration 55 Hz to 2000 Hz
Shock 6 ms

 300 m/s2 (EN 60 068-2-6)
 2000 m/s2 (EN 60 068-2-27)

Max. operating temp.

100 °C 5 µs12-pin PCB connector

Min. operating temperature –40 °C
Protection EN 60 529

IP40 when mountedMass≈ 0.25 kg

Valid for ID

1179213-01

1179215-xx

1)

With reverse polarity protection diode and short-circuit protected outputs (against UP up to + 12 V)
Evaluation optimized for KTY 84-130
3)Compensation for mounting tolerances and thermal expansion, but not for dynamic motion
2)

Product Information AEF 1323   03/2018

7

Electrical connection

Pin layout of AEF 132312-pin PCB connector

16-pin PCB connector

1216Power supply

Other signals1)

Serial data transfer

121b4b6b1a2b5a161b4b6b1a2b5a8a8bBrown/GreenWhite/Green

GrayPink

VioletYellowBrown

GreenUP0V

DATA

DATA

CLOCKCLOCKT+1)

T–1)

Cable shield connected to housing;
UP = Power supply; T = Temperature
Sensor: The sensor line is connected to the respective power supply in the encoder.
Vacant pins or wires must not be used!
1)

Only for AEF 1323 with temperature sensor connection

Output and adapter cablesPUR output cable1)  4.5 mm [3 x (2 x 0.19 mm2)]With 16-pin PCB connector(cable cut off)
Wires for TPE temperature sensor
2 x 0.16 mm21180955-xx

With 12-pin PCB connector(cable cut off)

1180959-xx

1)

Up to cable length of 15 m

Adapter cable for connection to PWM 21 and PWT 100 EPG  4.5 mm [16 x 0.057 mm2]; cable length 2 m
With PCB connector
With strain relief, 12-pin connector and15-pin male D-sub connector(including three 12-pin adapter connectors
and three 15-pin adapter connectors)621742-01

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Product Information AEF 1323   03/2018

HEIDENHAIN measuring equipment

PWT 100
The PWT 100 is a testing device forchecking the function and adjustment ofincremental and absolute HEIDENHAIN
encoders. Thanks to its compact
dimensions and robust design, thePWT 100 is ideal for portable use.

PWM 21
The combination of the ATS adjusting andtesting software, included in delivery, andthe PWM 21 phase angle measuring unit
serves as an adjusting and testing package
for diagnosis and adjustment ofHEIDENHAIN encoders.

PWT 100
Encoder input
Only for HEIDENHAINencoders• EnDat• Fanuc Serial Interface• Mitsubishi high speed interface• Panasonic Serial Interface• Yaskawa Serial Interface• 1 VPP• 11 µAPP• TTL

Display4.3” color flat-panel display (touch screen)

Supply voltage

DC 24 VPower consumption: max. 15 W

Operating temperature

0 °C to 40 °C

Protection EN 60 529

IP20Dimensions≈ 145 mm x 85 mm x 35 mm

PWM 21
Encoder input• EnDat 2.1 or EnDat 2.2 (absolute value with or without
incremental signals)• DRIVE-CLiQ• Fanuc Serial Interface• Mitsubishi high speed interface• Yaskawa Serial Interface• Panasonic serial interface• SSI• 1 VPP/TTL/11 µAPP
• HTL (via signal adapter)

InterfaceUSB 2.0

Supply voltage

AC 100 V to 240 V or DC 24 VDimensions

258 mm × 154 mm × 55 mm
ATS

For more information, please refer to the
Product Information document PWM 21
ATS Software.

Languages

Choice between English and German

Functions• Position display• Connection dialog• Diagnostics• Mounting wizard for EBI/ECI/EQI, LIP 200, LIC 4000
and others• Additional functions (if supported by the encoder)• Memory contents

System requirements and PC (dual-core processor > 2 GHz)
recommendations
RAM > 2 GB
Operating systems: Windows Vista (32-bit),
7, 8, and 10 (32-bit / 64-bit)
500 MB free space on hard disk
DRIVE-CLiQ is a registered trademark of SIEMENS AG.

Product Information AEF 1323   03/2018

9

Further Information

Brochure
Encoders for Servo Drives

For detailed information, such as generaltechnical descriptions, mountinginstructions, specifications, and exact
dimensions, please refer to our brochures
and product information documents, orvisit us on the Internet atwww.heidenhain.de

Messgeräte fürelektrische Antriebe

Contents:
Rotary encodersAngle encoders
Linear encoders

11/2017

Product Overview
Rotary Encoders for the Elevator Industry

Produktübersicht

Drehgeber für die
AufzugsindustrieContents:
Incremental rotary encoders
andAbsolute rotary encoders

Juni 2017

For detailed information on the EnDat 2.2
bidirectional interface, please refer to thetechnical information document
EnDat 2.2 – Bidirectional Interface forPosition Encoders.

Technical Information
EnDat 2.2—Bidirectional Interface for Position Encoders
Technische Information

EnDat 2.2 – Bidirektionales Interface
für Positionsmessgeräte
Digitale Antriebssysteme sowie Lageregelkreise mit Positionsmessgeräten zur Messwerterfassung fordern von den Messgeräten eineschnelle Datenübertragung mit hoher Übertragungssicherheit. Darüber hinaus sollen weitere Daten, wie antriebsspezifische Kennwerte, Korrekturtabellen etc. zur Verfügung gestellt werden. Für eine hohe Systemsicherheit müssen die Messgeräte in Routinen zur
Fehlererkennung eingebunden sein und Diagnosemöglichkeiten bieten.
Das EnDat-Interface von HEIDENHAIN ist eine digitale, bidirektionale Schnittstelle für Messgeräte. Sie ist in der Lage, sowohl Positionswerte von inkrementalen und absoluten Messgeräten auszugeben, als auch im Messgerät gespeicherte Informationen auszulesen, zuaktualisieren oder neue Informationen abzulegen. Aufgrund der seriellen Datenübertragung sind 4 Signalleitungen ausreichend. Die Datenwerden synchron zu dem von der Folge-Elektronik vorgegebenen Taktsignal übertragen. Die Auswahl der Übertragungsart (Positionswerte,Parameter, Diagnose ...) erfolgt mit Mode-Befehlen, welche die Folge-Elektronik an das Messgerät sendet. EnDat 2.2 ist als rein serielle
Schnittstelle auch für sicherheitsgerichtete Anwendungen bis SIL 3 geeignet.

Contents:Benefits of the EnDat interface,
Data transfer and memory areasBrochureInterfaces ofHEIDENHAIN Encoders

You can find detailed descriptions of allavailable interfaces as well as generalelectrical information in the Interfaces ofHEIDENHAIN Encoders brochure.
Schnittstellenvon HEIDENHAINMessgeräten

12/2017

DR. JOHANNES HEIDENHAIN GmbH
Dr.-Johannes-Heidenhain-Straße 583301 Traunreut, Germany{ +49 8669 31-0
| +49 8669 32-5061
E-mail: info@heidenhain.dewww.heidenhain.de1246326 · 00 · C · 02 · 03/2018 · PDF

This Product Information supersedes all previous editions, which thereby becomeinvalid.
The basis for ordering from HEIDENHAIN is always the Product Information document
edition valid when the order is made.
More information:
Comply with the requirements described in the following documents to ensure thecorrect operation of the encoder:• Brochure: Encoders for Servo Drives
208922-xx• Brochure: Interfaces of HEIDENHAIN Encoders
1078628-xx• Mounting Instructions: AEF 1323
1247482-xx and 1247662-xx• Brochure: Cables and Connectors
1206109-xx
For brochures and product information documents, visit www.heidenhain.de.