Siemens DP/AS-Interface Link 20E

Slave Diagnostics
127
DP/AS-Interface Link 20E
Release 11/2002
C79000-G8976-C138–04
Byte 14
Byte 15
Byte 16 Device-related diagnostic information
Byte 17
Byte 18
Byte 19
Byte 20 Error in AS-i slave 0 to 7
Byte 21 Error in AS-i slave 8 to 15
Byte 22 Error in AS-i slave 16 to 23
Byte 23 Error in AS-i slave 24 to 31
Byte 24 Error in AS-i slave 1B..7B
Byte 25 Error in AS-i slave 8B..15B
Byte 26 Error in AS-i slave 16B..23B
Byte 27 Error in AS-i slave 24B..31B
4.2 Station Status 1 to 3
Purpose
The station status provides an overview of the status of a DP slave.
The following applies to the individual error bits in the station status:
S 0: No error
S 1: error
Station status 1
Byte Bit Value/meaning Remedy
0 0 1: The DP/AS-i Link 20E module cannot
be addressed by the DP master.
S Is the correct DP address set on the
DP/AS-i Link 20E module?
S Bus connector connected?
S RS-485 repeater set correctly?
S External auxiliary voltage on the
DP/AS-i Link 20E module exists?
1 1: DP/AS-i Link 20E module not yet ready
for data exchange.
Has the DP/AS-i Link 20E module already
started up?
2 1: Incorrect configuration data from the DP
master. Required configuration is not
supported by the DP/AS-i Link 20E
module.
Check the configuration
3 1: Error on the AS-Interface
(device-related diagnostics)
0: No error was detected on the
AS-Interface.
Evaluate the device-related diagnostic
information (see Section 4.5 ).