Product Information

ECN 413
ECN 425
ERN 487
Rotary Encoders forElevator Drive Control(IP64 Degree of Protection)

June 2017

ECN/ERN 400 series
Rotary encoders with integral bearings for elevator technology• Simple installation• Rigid shaft coupling• Expanding ring coupling or plane-surface coupling• Uniform dimensions for various electrical interfaces

ECN/ERN 400 series with expanding ring coupling

ECN/ERN 400 series with plane-surface coupling2

Product Information ECN 413/ECN 425/ERN 487

6/2017

Absolute

Incremental

ECN 425

ECN 413

ERN 487

Part number683644-xx

1065932-xx

749143-xx

Interface1)

EnDat 2.2

Ordering designation

EnDat22

EnDat01–

Position values/revolution

33 554 432 (25 bits)

8192 (13 bits)

Z1 track3)

Electrically permissiblespeed/error2)

12 000 rpm(for continuous position value)1500 rpm/±1 LSB
12 000 rpm/±50 LSB–

Calculation time tcal
Clock frequency

7 µs8 MHz9 µs
2 MHz–

Incremental signals1)–

 1 VPP 1 VPP 1 VPPLine count/system accuracy 2048/±20“Reference mark–

OneCutoff frequency –3 dB–

 400 kHz 210 kHzElectrical connection*Cable 1 m/5 mwith M12 coupling

Cable 1 m/5 mwithout coupling

Cable 1 m/5 mwithout coupling

Voltage supply

DC 3.6 V to 14 V

DC 5 V ±0.25 VPower consumption1)(maximum)3.6 V:  600 mW
14 V:  700 mW–

Current consumption

5 V: 85 mA (typical, without load) 130 mA (without load)

Stator coupling*

Expanding ring coupling or plane-surface coupling

Shaft

Taper shaft  9.25 mm; taper 1:10

Mech. permiss. speed n

Expanding ring coupling: 12 000 rpm
Plane-surface coupling: 2000 rpm

Starting torque0.01 Nm (at 20 °C)

Moment of inertia of rotor

2.6 · 10–6 kgm2

Permissible axial motionof the measured shaft4)

Expanding ring coupling: ±0.5 mm
Plane-surface coupling: ±1.5 mm

Radial runout of themeasured shaft

Expanding ring coupling: 0.02 mm
Plane-surface coupling: 0.13 mm (for static radial mounting tolerance also ±0.13 mm)

Vibration 55 Hz to 2000 Hz  300 m/s2 (EN 60 068-2-6)
Shock 6 ms
 2000 m/s2 (EN 60 068-2-27)
Operating temperature–10 °C to +100 °C

Protection EN 60 529

IP 64Mass 0.25 kg* Please select when ordering1)
See catalog: Interfaces of HEIDENHAIN Encoders
2)
Velocity-dependent deviations between the absolute value and incremental signals
3)
One sine and one cosine signal per revolution
4)
Compensation of mounting tolerances and thermal expansion, not dynamic motion

Product Information ECN 413/ECN 425/ERN 487

6/20173ECN/ERN 400 seriesWith expanding ring coupling 06

 = Bearing of mating shaft
 = Required mating dimensions
 = Measuring point for operating temperature① = Clamping screw for coupling ring, width A/F 2. Tightening torque: 1.25—0.2 Nm② = Screw plug, width A/F 3 and 4. Tightening torque: 5+0.5 Nm③ = Self-tightening screw M5 x 50 DIN 6912 width A/F 4, tightening torque 5+0.5 Nm④ = M6 back-off thread⑤ = M10 back-off thread⑥ = Compensation of mounting tolerances and thermal expansion, no dynamic motion⑦ = Direction of shaft rotation for output signals as per the interface description

4

Product Information ECN 413/ECN 425/ERN 487

6/2017

With plane-surface coupling = Bearing of mating shaft
 = Bearing of encoder
 = Required mating dimensions
 = Measuring point for operating temperature① = Screw plug, width A/F 3 and 4. Tightening torque: 5+0.5 Nm② = Self-tightening screw M5x50 DIN 6912 width A/F 4, tightening torque 5+0.5 Nm③ = M10 back-off thread④ = M6 back-off thread⑤ = Max. permissible tolerance during motor shaft rotation ±1.5 mm⑥ = Max. permissible static radial offset of motor shaft in indicated direction ±0.13 mm⑦ = Direction of shaft rotation for output signals as per the interface description

Product Information ECN 413/ECN 425/ERN 487

6/20175Electrical connection
Pin layouts

ECN 425 pin layout
8-pin coupling, M12

Power supply

Serial data transfer

82513476UPSensor Up0VSensor 0 V

DATADATA

CLOCK

CLOCK

Brown/GreenBlue

White/GreenWhite

Gray

Pink

VioletYellow

Shield connected with housing; UP = Power supply
Sensor: The sensor line is connected in the encoder with the corresponding power line.
Vacant pins or wires must not be used.

ECN 413 pin layout
Voltage supply
UPSensor
UP0VBrown/
GreenBlueWhite/
Green

Incremental signals
Sensor Internal
0VshieldWhite/

Serial data transfer

A+

A–

B+

B–

DATA

DATA

CLOCK CLOCK

Green/Black

Yellow/
Black

Blue/
Black

Red/
Black

GrayPink

VioletYellow

Shield connected with housing; UP = Power supply
Sensor: The sensor line is connected in the encoder with the corresponding power line.
Vacant pins or wires must not be used.

6

Product Information ECN 413/ECN 425/ERN 487

6/2017

ERN 487 pin layout
Voltage supply

Incremental signals

UPSensor
UP

0V

Sensor0V

Internal
shield

A+

A–

B+

B–

R+

R–Brown/
Green

Blue

White/
GreenWhite/

Green/Black

Yellow/
Black

Blue/
Black

Red/Black

RedBlack

Other signals
C+C–

D+

D–

Gray

PinkYellow

VioletProduct Information ECN 413/ECN 425/ERN 487

Shield connected with housing; UP = Power supply;C, D = Commutation signals for sinusoidal commutation
Sensor: The sensor line is connected with the corresponding supply voltage.
Vacant pins or wires must not be used.

6/2017

7

HEIDENHAIN measuring equipment

PWM 20Together with the ATS adjusting andtesting software, the PWM 20 phase angle
measuring unit serves for diagnosis andadjustment of HEIDENHAIN encoders.

PWM 20Encoder 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

Voltage supply

AC 100 V to 240 V or DC 24 V

Dimensions

258 mm x 154 mm x 55 mm

ATS

For more information, see the PWM 20/
ATS Software Product Information
document.

Languages

Choice between English and German

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

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

8

Product Information ECN 413/ECN 425/ERN 487

6/2017

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

You can find more information in the
Product Information PWT 100.

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.de587717 · 07 · A · 02 · 6/2017 · PDF

PWT 100
Encoder input
Only for HEIDENHAIN
encoders• EnDat• Fanuc Serial Interface• Mitsubishi High Speed Interface• Panasonic Serial Interface• Yaskawa Serial Interface• 1 VPP• 11 µAPP• TTLDisplay

4.3” color flat-panel display (touch screen)

Voltage supply

24 V DCPower consumption: max. 15 W

Operating temperature

0 °C to 40 °C

Protection EN 60 529

IP20Dimensions

 145 mm x 85 mm x 35 mm

This Product Information supersedes all previous editions, which thereby become invalid.
The basis for ordering from HEIDENHAIN is always the Product Information document
edition valid when the order is made.

For more information:
Comply with the requirements described in the following documents to ensure thecorrect operation of the encoder:• Brochure: Position Encoders for Servo Drives• Brochure: Rotary Encoders• Brochure: Interfaces of HEIDENHAIN Encoders