HEIDENHAIN ERN1387 2048 62S14-70

HEIDENHAIN ERN1387 2048 62S14-70

Unique Order ID：749 144 59

Complete Model Segment Definition

Campo	Código	Technical Description
ERN	Série	Incremental hollow-shaft rotary encoder, dedicated for servo / c
1387	Série de produtos	Classic HEIDENHAIN CNC servo encoder, 1 Vpp sine/cosine output, high speed and durability
2048	Resolução	Pulses per revolution: 2048 lines/rev
62S14	Structure Code	Standard code for electrical specifications, housing structure, wiring definition and mounting dimensions
70	Versão / Cable Length	Factory cable specification and customized structural version
ID：74914459	Factory Order Number	Unique single-item coding for genuine original factory matching

Parâmetros técnicos principais
Output Signal: /cosine differential signals (A±, B±, R reference mark)
Tensão de alimentação: DC 5V ±10%
Shaft Structure: Φ10mm hollow shaft, spring clamping mounting (universal for servo motors)
Velocidade máxima: 15000 r/min (suitable for machine tool spindles & high‑speed servo systems)
Reference Signal: 1 reference mark R per revolution
Proteção de entrada: IP40
Temperatura operacional: -20℃ ~ +60℃
Wiring Type: 12-core shielded dedicated cable, anti-interference for CNC systems
Measuring Principle: Photoelectric transmission scanning, high precision and low drift

III. Compatible Systems & Aplicativo

Compatible Systems: Siemens, FANUC, Mitsubishi, Huazhong CNC, GSK, gantry & machining center systems

Main Applications:

Velocidade & position closed-loop feedback for CNC spindle motors and servo motors
Spindle positioning for machining centers, lathes, milling machines, grinders and automated equipment
High-precision angle acquisition for high-speed servo drives and industrial automation
Common Derivative Models (Comparison)
ERN1387 2048 62S12: Standard general version
ERN1387 2048 62S14-70: Model in use, customized cable & structure version
ERN1387 1024 / 4096: Different resolution options
Equivalent Upgrade: EQN1387 (multi-turn absolute type)
Substituição & Procurement Notes
Original Replacement: Must order by ID：74914459 to avoid mismatched program and servo parameters
Domestic Compatible Alternatives

Matching Brands: Rep, Yuheng, Haide, Eastest

Parameter Requirements: 10mm hollow shaft, 2048 lines, 1Vpp sine/cosine, 12-core shielded cable

Common Failures: Cable breakage, code disk contamination, signal attenuation, bearing aging; classified as machine tool wearing parts
Key Information Summary (Quick Filing)

Marca: Heidenhain

Modelo: ERN 1387 2048 62S14-70

ID: 74914459

Especificações: 2048 lines, DC5V, 1Vpp differential, Φ10mm hollow shaft

Usage: CNC spindle / servo motor encoder

HEIDENHAIN Encoder Model List & Cross-Brand Comparison Manual (2026 Edição)

Complete Model Nomenclature Explanation

1.1 Incremental Hollow-Shaft Encoder (ERN Series)

ERN-XXXX-YYYY-ZZZZ

Campo	Definição	Exemplo	Descrição
ERN	Código da série	ERN	Incremental hollow-shaft encoder for servo / spindle
XXXX	Série de produtos	1387	1000 Série: 1Vpp output, high speed durable (15000rpm)
YYYY	Resolução	2048	Pulses per revolution (lines/rev)
ZZZZ	Structure Code	62S14-70	Electrical specs, mounting size, wiring definition, cable length
ID	Factory Part No.	74914459	Exclusive matching code for genuine products

1.2 Absolute Hollow-Shaft Encoder (ECN / EQN Series)

ECN/EQN-XXXX-YYYY-ZZZZ

Campo	Definição	Exemplo	Descrição
ECN/EQN	Código da série	ECN	Absolute hollow-shaft encoder, single-turn / multi-turn
XXXX	Série de produtos	1313	1000 Série: built-in bearing, stator coupling
YYYY	Resolução	13	13-pedaço (8192 positions/rev)
ZZZZ	Interface / Versão	03S12	Interface protocol (EnDat/SSI) & structural code
S	Safety Version	1336S	Functional safety (SIL3)

1.3 Solid-Shaft Angle Encoder (ROD / ROC Series)

ROD/ROC-XXXX-YYYY

Campo	Definição	Exemplo	Descrição
ROD/ROC	Código da série	ROD	Solid-shaft angle encoder for high-precision measurement
XXXX	Série de produtos	426	Solid shaft structure, flange mounting
YYYY	Resolução	1024	Pulses or bits per revolution
UM	Absolute Version	ROD 436A	Absolute solid-shaft encoder

1.4 Bearingless Encoder (KCI / KBI Series)

KCI/KBI-XXXX-YYYY

Campo	Definição	Exemplo	Descrição
KCI/KBI	Código da série	KCI	Bearingless absolute rotary encoder
XXXX	Série de produtos	120 Dplus	Inductive scanning, functional safety design
YYYY	Resolução	13	13-pedaço (8192 positions/rev)
Dplus	Dual Measuring System	KCI 120 Dplus	Dual position detection function

Full HEIDENHAIN Encoder List by Series

2.1 Incremental Hollow-Shaft Encoder (ERN Series)

Série	Modelo	Resolução	Shaft Dia.	Saída	Velocidade máxima	Interface	Classificação IP	Sample ID
ERN 1000	ERN 1387 2048 62S14-70	2048 lines	Φ10mm	1Vpp differential	15000rpm	12-essencial	IP40	74914459
	ERN 1387 1024 62S12	1024 lines	Φ10mm	1Vpp differential	15000rpm	12-essencial	IP40	74914458
	ERN 1387 4096 62S14	4096 lines	Φ10mm	1Vpp differential	12000rpm	12-essencial	IP40	74914460
	ERN 1120 512 62S12	512 lines	Φ8mm	1Vpp differential	10000rpm	12-essencial	IP40	74914352
	ERN 1180 1024 62S12	1024 lines	Φ8mm	1Vpp differential	10000rpm	12-essencial	IP40	74914353
ERN 400	ERN 420 2500 03S12	2500 lines	Φ10mm	1Vpp differential	8000rpm	12-essencial	IP40	74914250
	ERN 430 5000 03S12	5000 lines	Φ10mm	1Vpp differential	6000rpm	12-essencial	IP40	74914251
ERN 100	ERN 138 2048 03S12	2048 lines	Φ6mm	1Vpp differential	6000rpm	12-essencial	IP40	74914138

2.2 Absolute Hollow-Shaft Encoder (ECN / EQN Series)

Série	Modelo	Resolução	Shaft Dia.	Interface	Velocidade máxima	Tipo	Classificação IP	Sample ID
ECN 1300	ECN 1313 13 03S12	13-pedaço(8192)	Φ10mm	EnDat 2.2	10000rpm	Single-turn	IP40	74913130
	ECN 1325 13 03S12	13-pedaço(8192)	Φ10mm	EnDat 2.2	10000rpm	Single-turn	IP40	74913250
	ECN 1313 13 07S12	13-pedaço(8192)	Φ10mm	SSI	10000rpm	Single-turn	IP40	74913131
EQN 1300	EQN 1325 2048 03S12	2048 lines	Φ10mm	EnDat 2.2	10000rpm	Single-turn	IP40	74913251
	EQN 1337 2048 03S12	2048 lines	Φ10mm	EnDat 2.2	10000rpm	Multi-turn	IP40	74913370
ECN 400	ECN 413 13 03S12	13-pedaço(8192)	Φ10mm	EnDat 2.2	8000rpm	Single-turn	IP40	74914130
EQN 400	EQN 425 2048 03S12	2048 lines	Φ10mm	EnDat 2.2	8000rpm	Multi-turn	IP40	74914252

2.3 Solid-Shaft Angle Encoder (ROD / ROC Series)

Série	Modelo	Resolução	Shaft Dia.	Saída	Velocidade máxima	Montagem	Classificação IP	Sample ID
ROD 400	ROD 426 1024	1024 lines	Φ10mm	1Vpp differential	6000rpm	Flange	IP54	74914260
	ROD 436 2048	2048 linesΦ	10milímetros	1Vpp differential	6000rpm	Flange	IP54	74914360
	ROD 436A 13	13-pedaço(8192)	Φ10mm	EnDat 2.2	6000rpm	Flange	IP54	74914361
ROD 600	ROD 620 1024	1024 lines	Φ10mm	1Vpp differential	5000rpm	Flange	IP54	74916200
ROC 2000	ROC 220 1024	1024 lines	Φ10mm	1Vpp differential	5000rpm	Flange	IP54	74922200

2.4 Bearingless Encoder (KCI / KBI Series)

Série	Modelo	Resolução	Shaft Dia.	Interface	Velocidade máxima	Scan Type	Classificação IP	Sample ID
KCI 120	KCI 120 Dplus 13	13-pedaço(8192)	Φ30mm	EnDat 2.2	10000rpm	Inductive	IP64	74912013
	KCI 120 Dplus 17	17-pedaço(131072)	Φ30mm	EnDat 2.2	10000rpm	Inductive	IP64	74912017
KBI 100	KBI 106 13	13-pedaço(8192)	Φ20mm	EnDat 2.2	8000rpm	Inductive	IP64	74910613

2.5 Angle Encoder (RCN / RON Series)

Série	Modelo	Resolução	Shaft Dia.	Interface	Accuracy	Montagem	Classificação IP	Sample ID
RCN 2000	RCN 2001 26 03S12	26-pedaço	Φ20mm	EnDat 2.2	±2 arcsec	Stator coupling	IP64	74920010
	RCN 5001 28 03S12	28-pedaço	Φ35mm	EnDat 2.2	±1 arcsec	Stator coupling	IP64	74950010
RON 700	RON 785 25 03S12	25-pedaço	Φ30mm	EnDat 2.2	±1 arcsec	Flange	IP64	74978500

III. Referência de substituição entre marcas

3.1 Incremental Encoder (ERN Series Replacement)

Heidenhain	Siemens	FANUC	Mitsubishi	Yaskawa	Domestic Alternative	Replacement Key Points
ERN 1387 2048 62S14-70	6FX2001-5QS22	A860-0309-T302	OSA104	UTOPH-8192-2048	Yuheng A-ZKD-1387-2048 / Rep A-1387-2048	10mm hollow shaft, 2048 lines, 1Vpp, 12-essencial
ERN 1387 1024 62S12	6FX2001-5QS21	A860-0309-T301	OSA103	UTOPH-8192-1024	Huitong HT-1387-1024	10mm hollow shaft, 1024 lines, 1Vpp
ERN 1120 512 62S12	6FX2001-5QS12	A860-0309-T300	OSA102	UTOPH-8192-512	Huali HL-1120-512	8mm hollow shaft, 512 lines
ERN 420 2500 03S12	6FX2001-5QS02	A860-0309-T310	OSA105	UTOPH-8192-2500	Eastest EST-420-2500	10mm hollow shaft, 2500 lines

3.2 Absolute Encoder (ECN / EQN Series Replacement)

Heidenhain	Siemens	FANUC	Mitsubishi	Yaskawa	Domestic Alternative	Replacement Key Points
ECN 1313 13 03S12	6FX2001-8QS13	A860-0309-T320	OSA204	UTOPH-8192-13	Yuheng A-ECN1313-13	10mm hollow shaft, 13-pedaço, EnDat 2.2
EQN 1337 2048 03S12	6FX2001-8QS22	A860-0309-T322	OSA205	UTOPH-8192-2048M	Rep A-EQN1337-2048	10mm hollow shaft, multi-turn
ECN 413 13 03S12	6FX2001-8QS03	A860-0309-T313	OSA203	UTOPH-8192-13S	Huali HL-ECN413-13	10mm hollow shaft, single-turn
EQN 1336S 2048 03S12	6FX2001-8QS22S	A860-0309-T322S	OSA205S	UTOPH-8192-2048MS	Eastest EST-EQN1336S	SIL3 safety, DRIVE-CLiQ

3.3 Solid-Shaft Encoder (ROD Series Replacement)

Heidenhain	Siemens	FANUC	Mitsubishi	Yaskawa	Domestic Alternative	Replacement Key Points
ROD 426 1024	6FX2001-5FS21	A860-0309-T351	OSA106	UTOPH-8192-1024S	Yuheng A-ROD426-1024	10mm solid shaft, flange mount
ROD 436 2048	6FX2001-5FS22	A860-0309-T352	OSA107	UTOPH-8192-2048S	Rep A-ROD436-2048	10mm solid shaft, 2048 lines
ROD 436A 13	6FX2001-8FS13	A860-0309-T353	OSA206	UTOPH-8192-13S	Huali HL-ROD436A-13	10mm solid shaft, absolute type

3.4 Bearingless Encoder (KCI Series Replacement)

Heidenhain	Siemens	FANUC	Mitsubishi	Yaskawa	Domestic Alternative	Replacement Key Points
KCI 120 Dplus 13	6FX2001-8KS13	A860-0309-T360	OSA207	UTOPH-8192-13D	Rep A-KCI120-13	30mm hollow shaft, inductive
KBI 106 13	6FX2001-8KS06	A860-0309-T361	OSA208	UTOPH-8192-13B	Yuheng A-KBI106-13	20mm hollow shaft, inductive

Selection Parameter Comparison

4.1 Interface Protocol Comparison

Interface	Applicable Series	Transmission	Características	Compatible Systems
1Vpp Sine/Cosine	All ERN Series	Analógico	Strong anti-interference, high precision	Siemens 840Dsl, FANUC 0i/31i, Mitsubishi M70
EnDat 2.2	ECN/EQN Full Range	Digital Serial	Single/multi-turn, parameter configuration	HEIDENHAIN TNC, Siemens 840Dsl, FANUC 31i
SSI	Partial ECN/EQN	Digital Serial	Simple and stable, single-turn	Mitsubishi M70, FANUC 0i, domestic CNC
DRIVE-CLiQ	ECN/EQN 1300S	Real-time Digital	Functional safety, high speed	Siemens SINAMICS Drive
Fanuc Serial	ECN/EQN F Version	Digital Serial	FANUC dedicated protocol	FANUC 0i / 31eu / 32eu
Mitsubishi SSCNET	ECN/EQN M Version	Real-time Digital	Mitsubishi dedicated bus	Mitsubishi M70 / M80

4.2 Resolução & Grau de precisão

Resolução	Cenário de aplicação	Accuracy	Typical Industry
1024 lines / 13-pedaço	Standard servo control	±10 arcsec	General machine tools, automation
2048 lines / 14-pedaço	Precision servo control	±5 arcsec	Machining centers, precision lathes
4096 lines / 15-pedaço	High-precision positioning	±3 arcsec	Grinding machines, jig boring machines
8192 lines / 16-pedaço	Ultra-precision measurement	±1 arcsec	CMM, semiconductor equipment
13-bit~28-bit Absolute	Full closed-loop absolute control	±1~2 arcsec	Robotics, aerospace equipment

Aquisições & Replacement Guideline

5.1 Original Replacement Rules

Confirm complete model + exclusive factory ID to avoid parameter mismatch
Match 12-core shielded cable specification and length
Verify hollow shaft diameter (Φ10mm/Φ8mm), spring clamp type and stator coupling

5.2 Domestic Alternative Selection Criteria

Replacement Item	Must Match	Ajustável	Impact Level
Mechanical Dimension	Shaft diameter, mounting hole, housing size	—	Critical
Electrical Parameter	Resolução, signal type, tensão de alimentação	Cable length (±1m)	Critical
Interface Definition	Pin assignment, shielding method	Connector type	Médio
Precision Grade	Angular error, repeatability	Temperature drift	Médio

5.3 Falhas Comuns & Manutenção

Cable damage / shielding failure → Replace original cable assembly
Code disk oil contamination & dust accumulation → Professional cleaning (no scratching)
Mau contato & signal attenuation → Re-terminate wiring and inspect connectors
Bearing noise & excessive backlash → Replace complete encoder unit
Quick Selection Table by Application

Aplicativo	Recommended Heidenhain Model	Core Specs	Marcas Alternativas
CNC Machine Spindle	ERN 1387 2048 62S14-70	2048 lines, 1Vpp, 10mm hollow shaft	Siemens 6FX2001-5QS22, Yuheng A-ZKD-1387
Servo motor	ECN 1313 13 03S12	13-pedaço, EnDat 2.2, 10mm hollow shaft	FANUC A860-0309-T320, Rep A-ECN1313
High-Precision Positioning	ROD 436 2048	2048 lines, 1Vpp, 10mm solid shaft	Mitsubishi OSA107, Huali HL-ROD436
High-Speed Spindle	ERN 1387 4096 62S14	4096 lines, 1Vpp, 10mm hollow shaft	Siemens 6FX2001-5QS23, Eastest EST-1387
Functional Safety System	EQN 1336S 2048 03S12	2048 lines, DRIVE-CLiQ, SIL3	Siemens 6FX2001-8QS22, Mitsubishi OSA205S
Bearingless Motor	KCI 120 Dplus 13	13-pedaço, EnDat 2.2, 30milímetros	Siemens 6FX2001-8KS13, Rep A-KCI120

Remark: All models are based on the 2026 HEIDENHAIN official catalog. All orders shall be subject to the factory unique ID. Cross-brand replacement requires system compatibility testing to ensure long-term stable operation.