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HEIDENHAIN PROFIBUS-DP (DPV2) User Manual

Page 4

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Contents

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8

Functionality in the PROFIBUS DPV2 device ........................................................... 66

8.1

Code sequence .................................................................................................... 67

8.2

Class 4 functionality ............................................................................................. 67

8.3

G1_XIST1 Preset control ...................................................................................... 68

8.4

Scaling function control ........................................................................................ 68

8.5

Alarm channel control ........................................................................................... 69

8.6

Compatibility mode .............................................................................................. 70

8.7

Preset value .......................................................................................................... 71

8.8

Scaling function parameters ................................................................................ 73

8.8.1

Measuring units per revolution ................................................................ 73

8.8.2

Total measuring range ............................................................................... 74

8.9

Maximum master sign-of-life failures .................................................................. 78

8.10

Velocity measuring units ...................................................................................... 79

8.11

Encoder profile version ......................................................................................... 80

8.12

Operating time...................................................................................................... 81

8.13

Offset value .......................................................................................................... 81

8.14

Acyclic data ........................................................................................................... 82

8.14.1

PROFIdrive parameters ............................................................................ 82

8.14.2

Encoder parameter numbers ................................................................... 83

8.14.3

Parameters 6500 and 65002 -Preset value ............................................. 84

8.14.4

Parameter 65001 operating status parameter structure ......................... 85

8.14.5

Encoder specific parameter 65003- Operating status 64 bit structure ... 87

8.14.6

I&M functions ........................................................................................... 88

9

Encoder state machine ................................................................................................ 89

9.1

Normal operation state......................................................................................... 90

9.1.1

Profile version 4.x ..................................................................................... 90

9.1.2

Profile version 3.x ..................................................................................... 90

9.1.3

Profile version 3.x and 4.x ........................................................................ 90

9.2

Parking state ......................................................................................................... 90

9.3

Set/shift home position (Preset) ........................................................................... 90

9.3.1

Preset depending on different telegrams ................................................ 90

9.3.2

Absolute preset with negative value ........................................................ 91

9.4

Error state ............................................................................................................. 91

9.5

Error acknowledgement ....................................................................................... 91

9.6

Start up ................................................................................................................. 91

10

Revision history ............................................................................................................ 92