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Service and maintenance
10.1 Error and diagnostics messages
Byte
Value
28 ... 29
W#16#002A
30 ... 31
W#16#0001
SFB 54 "RALRM" returns the following diagnostics information with PROFINET IO in the
"AINFO" parameter (additional alarm information):
Note
Only the bytes 0 to 25 are written for outgoing alarms
Only bytes 0 to 25 of the "AINFO" parameter are written for outgoing alarms. Compare the
meaning of bytes 2 and 3 of "AINFO".
Table 10- 10 Diagnostic information of SFB 54 "RALRM" - "AINFO" parameter
Byte
Value
0 ... 1
According to PNIO standard
2 ... 3
W#16#001A / W#16#0016
4 ... 5
W#16#0100
6 ... 7
W#16#0001 / W#16#000C
8 ... 11
DW#16#00000000
12 ... 13
W#16#0000
14 ... 15
W#16#0001
16 ... 19
DW#16#00000300
20 ... 23
DW#16#00000000
24 ... 25
W#16#Bxxx / W#16#xxx
26 ... 27
W#16#0004
28 ... 29
See value with the section "Error
messages (Page 176)"
In addition to the event-related readout of the diagnostic data with the SFB 54, you also have
the option of reading out status-related diagnostics data.
You read out status-related diagnostics data using SFB 52 "RDREC".
190
Meaning
Vendor ID (fixed).
Identification number of the instance.
Meaning
Block type
Length of the diagnostics data with an incoming / outgoing alarm.
Version (fixed)
ID for the alarm type: Diagnostics alarm incoming / diagnostics alarm
outgoing.
API (fixed)
Slot (fixed)
Subslot (fixed)
Module identification (fixed)
Submodule identification (fixed)
Alarm specification for incoming / outgoing alarm:
Bits 0 to 10: Sequence number
•
Bit 11: Channel diagnostics: 0 (fixed)
•
Bit 12: Status of vendor-specific diagnostics
•
Bit 13: Status of diagnostics for submodule
•
Bit 14: Reserved: 0
•
Bit 15: Diagnostics status
•
ID for vendor-specific diagnostics (fixed).
ID of the error that occurred.
Operating Instructions, 05/2019, C79000-G8976-C494-02
SIMATIC MV500
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