Siemens DP/AS-Interface Link 20E, Руководство пользователя

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Slave Diagnostics
129
DP/AS-Interface Link 20E
Release 11/2002
C79000-G8976-C138–04
4.3 PROFIBUS Address of the DP Master and Vendor ID
Byte Value Value/meaning
3 xx
H
PROFIBUS address of the DP master
In slave diagnostics, byte 3 contains the hexadecimal address of the
PROFIBUS master that assigned parameters to the DP/AS-i Link 20E
module.
4
80H
Vendor ID of the DP/AS-i Link 20E module
In slave diagnostics byte 4 and byte 5 also include the Vendor ID of the
5
98H
In slave diagnostics, byte 4 and byte 5 also include the Vendor ID of the
DP/AS-i Link 20E module.
4.4 Structure of ID-Related Diagnostics
ID-related diagnostics is not used by the DP/AS-i Link 20E. Bytes 6 to 8 therefore
contain only fixed values.
Byte Value Value/meaning
6
43H
Header and length of the ID-related diagnostic information
7
00H
Fixed value
8
00H
Fixed value
4.5 Structure of the Device-Related Diagnostic Information
The device-related diagnostic information consists of a fixed header in bytes 9 to
12 and a variable field with bytes 13 to 23 that signals the errors on the
AS-Interface.
Byte Value Meaning
9
13H
Header and length of the device-related diagnostic information.
10
01H
Fixed value