Bei-sensors MHK5 Absolute Hollow Shaft Encoder Manual de usuario descargar pdf (Pagina 27)

6 Diagnostic messages

6.1 Overview

On request of the master the encoder transmits

diagnostic data ("DDLM_Slave_Diag"). The

diagnostic data length is 57 bytes (Exception:

shorter diagnostics, cp. 5.1.5). The format of the

diag

nostic data is according to the Profibus

Standard (octets 1-6) respectively according to the

Profile for Encoders (starting from octet 7).

Diagnostic function Data type Diagnostics - octet number Class

Station status 1 (ref. to: Profibus Standard) Octet 1 1

Station status 2 (ref. to: Profibus Standard) Octet 2 1

Station status 3 (ref. to: Profibus Standard) Octet 3 1

Diagnostic master address Octet 4 1

PNO identification number Octet 5, 6 1

Extended diagnostic header Octet String 7 1

Alarm messages Octet String 8 1

Operating status Octet String 9 1

Encoder type Octet String 10 1

Resolution per revolution (Hardware) Unsigned 32 11 - 14 1

Number of revolutions (Hardware) Unsigned 16 15, 16 1

Additional alarm messages Octet String 17 2

Supported alarm messages Octet String 18, 19 2

Warnings Octet String 20, 21 2

Supported warnings Octet String 22, 23 2

Profile version Octet String 24, 25 2

Software version Octet String 26, 27 2

Operating time Unsigned 32 28 - 31 2

Zero offset Unsigned 32 32 - 35 2

Manufacturer-specific: offset value Unsigned 32 36 - 39 2

Programmed resolution per revolution Unsigned 32 40 - 43 2

Programmed total resolution Unsigned 32 44 - 47 2

Serial number ASCII String 48 - 57 2

Revision 03/10 BEI Sensors Profibus Manual serie M Page 27

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 47 48

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Bei-sensors MHK5 Absolute Hollow Shaft Encoder Manual de usuario Pagina 27