Contents

Overview and Specifi cations Selection Guide

4

Measuring Principles Measuring standard, measuring methods, scanning methods

6

Accuracy

7

Mechanical Design Types and Mounting Rotary encoders with integral bearing and stator coupling

8

Rotary industrial encoders with integral bearing for separate shaft coupling

9

Shaft couplings

10

General Mechanical Information

12

Specifi cations Absolute Rotary EncodersIncremental Rotary Encoders Mounted Stator CouplingECN 100 series ERN 100 series

14

ECN 400/EQN 400 series ERN 400 series

16

ECN 400/EQN 400 serieswith universal stator coupling ERN 400 serieswith universal stator coupling

20

ERN 1000 series

24

Separate Shaft CouplingROC 400/ROQ 400 serieswith synchro fl ange ROD 400 serieswith synchro fl ange

26

ROC 400/ROQ 400 serieswith clamping fl ange ROD 400 serieswith clamping fl ange

30

ROD 1000 series

34

Electrical connection Interfaces and Pin LayoutsIncremental signals 1 V
PP

36

TTL

38

HTL

40

Absolute position values EnDat

42

PROFIBUS DP

49

SSI

52

Connecting Elements and Cables

54

General Electrical Information

56

HEIDENHAIN Measuring equipment and Counter Cards

58

Sales and Service Germany

59

Worldwide

60