Overview of the motor encoders

The listed data of the encoders are typical standard values and might differ for the respective motor.

Encoder type

Technical description

Manufacturer /
designation
R
  • Absolute encoder
  • Singleturn
  • Analog

Tyco
V23401-D1001

Resolution: 1 period/revolution

Measuring principle: resolver

Encoder type

Technical description

Manufacturer /
designation
I
  • Analog encoder
  • Homing pulse

Heidenhain

ERN 1380

ERN 1381

Resolution: 512 / 1000 / 1024 / 2048 periods/revolution

Measuring principle: optical
E
  • Absolute encoder
  • Singleturn
  • Digital
  • Analog

Heidenhain

ECN 113

ECN 1113

ECN 1313

Digital resolution: 13 bit/revolution

Analog resolution: 512 / 2048 periods/revolution

Measuring principle: optical
Protocol: EnDat 2.1

Electronic type plate
F
  • Absolute encoder
  • Multiturn
  • Digital
  • Analog

Heidenhain

EQN 1125

EQN 1325

Digital resolution: 13 bit/revolution

Analog resolution: 512 / 2048 Periods/revolution

Measuring principle: optical
Protocol: EnDat 2.1

Electronic type plate
P
  • Absolute encoder
  • Singleturn
  • Digital

Heidenhain

ECI 1118

ECI 1319

ECI 119

Resolution: 18 / 19 bit/revolution 2)

Measuring principle: inductive, permanent magnets
Protocol: EnDat 2.2 light

Electronic type plate
Q
  • Absolute encoder
  • Multiturn
  • Digital
 Heidenhain
EQI 1130
EQI 1331

Resolution: 18 / 19 bit/revolution 2)

Measuring principle: inductive

Protocol: EnDat 2.2 light

Electronic type plate

Encoder type

Technical description

Manufacturer /
designation
S
  • Absolute encoder
  • Singleturn
  • Digital
  • Analog

Sick Stegmann

SKS 36

SRS 50

Digital resolution: 15 bit/revolution

Analog resolution: 128 / 1024 periods/revolution

Measuring principle: optical
Protocol: Hiperface

Electronic type plate
T
  • Absolute encoder
  • Multiturn
  • Digital
  • Analog

Sick Stegmann

SKM 36

SRM 50

Digital resolution: 15 bit/revolution

Analog resolution: 128 / 1024 periods/revolution

Measuring principle: optical
Protocol: Hiperface

Electronic type plate
U
  • Absolute encoder
  • Singleturn
  • Digital
  • Analog

Sick Stegmann

SEK 37

Digital resolution: 9 bit/revolution

Analog resolution: 16 periods/revolution

Measuring principle: capacitive
Protocol: Hiperface

Electronic type plate
V
  • Absolute encoder
  • Multiturn
  • Digital
  • Analog

Sick Stegmann

SEL 37

Digital resolution: 9 bit/revolution

Analog resolution: 16 periods/revolution

Measuring principle: capacitive
Protocol: Hiperface

Electronic type plate

Encoder type

Technical description

Manufacturer /
designation
Y
  • Absolute encoder
  • Singleturn
  • Multiturn
  • Digital

Sick Stegmann

singleturn:
EKS 36
EFS 50

multiturn:
EKM 36
EFM 50
Resolution: 17 / 20 / 23 bit/revolution

Measuring principle: optical
Protocol: Hiperface DSL

Electronic type plate
2) depends on motor size

 

For detailed information about motor encoders:
See document Motor encoders (Part no. 27859)