Authorised HEIDENHAIN distributors

ACC Systems Ltd

Industrial Automation

HEIDENHAIN EQN Series

Absolute Multi-turn Hollow Shaft Rotary Encoders

 

EQN 400 series

ern400 ern400

Outline specifications:

EQN 437 EQN 425 EQN 425
Absolute position values EnDat 2.2 EnDat 2.2 SSI
Positions per revolution 33554432 (25 bits) 8192 (13 bits)
Revolutions 4096
Code Pure binary Gray
Incremental signals None 1Vpp
Line counts 512 2048 512
System Accuracy ±20″ 512 lines: ±60″; 2048 lines: ±20″
Power supply 3.6 to 14V 3.6 to 14V 5V ±5% or 10 to 30V
Electrical connection
  • Flange socket M12, radial
  • Cable 1m, with M12 coupling
  • Flange socket M23, radial
  • Cable 1m, with or without M23 coupling
Shaft Blind or through hollow shaft, D=8mm, 12mm
Mounting Available with mounted stator coupling or universal stator coupling
Max mech. speed
  • ≤6000min-1
  • ≤12000min-1 (with two shaft clamps)

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EQN 400 Fanuc, Mitsubishi & Siemens series

ern400

Outline specifications:

EQN 437F ECN 437M ECN 437S
Absolute position values Fanuc Serial Interface; αi interface Mitsubishi high speed interface DRIVE-CLiQ
Positions per revolution 33554432 (25 bits) 8388608 (23 bits) 16777216 (24 bits)
Revolutions αi:4096
α:2048
4096 4096
Code Pure binary
Incremental signals none
System Accuracy ±20″
Power supply 3.6 to 14V 10 to 36V
Electrical connection Flange socket M12, radial
Shaft Blind or through hollow shaft, D=12mm Through hollow shaft, D=12mm
Max mech. speed
  • ≤6000min-1
  • ≤12000min-1 (hollow through shaft with two shaft clamps)

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EQN 1000 series

ern1000 

Outline specifications:

EQN 1035 EQN 1025
Absolute position values EnDat 2.2
Positions per revolution 8388608 (23 bits) 8192 (13 bits)
Revolutions 4096 (12 bits)
Code Pure binary
Incremental signals None 1Vpp
Line counts 512
System Accuracy ±60″
Power supply 3.6 to 14V
Electrical connection Cable 1m, with M12 coupling Cable 1m, with M23 coupling
Shaft Blind hollow shaft, D=6mm
Mounting Mounted stator coupling
Max mech. speed ≤12000min-1

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