User guide

PROFIBUS USER MANUAL
26 Preliminary
BEI IDEACOD SAS
Espace Européen de l’Entreprise
9, rue de Copenhague
B.P. 70044 Schiltigheim
F 67013 Strasbourg Cedex
Tél : [phone]
Fax : [phone]
Mail :
[e-mail]
Web : www.bei-ideacod.com
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
diagnostic 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