Slave Diagnostics
130
DP/AS-Interface Link 20E
Release 11/2002
C79000-G8976-C138–04
Byte MeaningValue
11
04H
Fixed value
12
00H
Fixed value
Bytes 13 to 23 of the device-related diagnostic information contain error bits for
errors on the AS-Interface. A delta list (bytes 20.23) contains all the AS-i slaves
that deviate from the configuration, in other words missing, incorrect or existing but
not configured AS-i slaves.
Byte Bit Value/meaning
13 0 1: Group error bit
1 1: Internal error (for example EEPROM defective).
2 1: External error (for example slave failed or APF).
3 1: At least one slave differs from the expected configuration.
4 1: Voltage on the AS-Interface too low (APF).
5 ..7 0
Byte Value Meaning
14 1C
H
Module class.
Byte Bit Value/meaning
15 0 1: At least one AS-i slave differs from the expected configuration.
1 0
2 0: Normal status
1: The DP/AS-i Link 20E module is offline.
3 1: Hardware error (internal watchdog)
4..7 0
Byte Bit Value/meaning
16 0,1 0
2 1: EEPROM defective
4..7 0
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