Message Block For Event List And Process Alarm - Siemens SIPROTEC PROFINET IO Manual

2 PROFINET IO in SIPROTEC
2.3 Data-Type Definitions for IO Data Exchange
2.3.6

Message Block for Event List and Process Alarm

Number of byte values:
The complex data type message block defines an entry in the event list via PROFINET IO (see Chapter 2.6)
and is used for the data field of the summary process alarm (see Chapter 2.7).
The message block contains an identification of the single-point indications and double-point indications which
are sent in the event list or in the process alarm, plus the value and the associated time-stamp information.
...
Clock-time status
Figure 2-10
Byte 1: Identification
Byte 1 identifies a single-point indication or double-point indication using its PROFINET IO mapping data-
object number.
7
Figure 2-11
26
10
Identification
Byte 1
Milliseconds (0 to 59 999)
Byte 3
Hours (0 to 23)
Byte 5
Month (1 to 12)
Byte 7
Byte 9
Data Type: Message Block
Byte 1 - Identification
6 5 4 3 2 1
PROFINET IO mapping
data-object number
Byte 1 - Identification in the data type Message Block
SIPROTEC 4, Communication Module PROFINET IO, Communication Profile
Value
Byte 2
Byte 4
Minutes (0 to 59)
Byte 6
Day (1 to 31)
Byte 8
Year (0 = 1900)
...
Byte 10
Byte
0 Bit position
Meaning
Time stamp
in UTC
C53000-L1840-C360-1, Edition 08.2012