![Siemens SIPROTEC PROFINET IO Manual Download Page 26](http://html.mh-extra.com/html/siemens/siprotec-profinet-io/siprotec-profinet-io_manual_1265444026.webp)
2 PROFINET IO in SIPROTEC
2.3 Data-Type Definitions for IO Data Exchange
26
SIPROTEC 4, Communication Module PROFINET IO, Communication Profile
C53000-L1840-C360-1, Edition 08.2012
2.3.6
Message Block for Event List and Process Alarm
Number of byte values:
10
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
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.
Figure 2-10
Data Type: Message Block
Byte 1: Identification
Byte 1 identifies a single-point indication or double-point indication using its PROFINET IO mapping data-
object number.
Figure 2-11
Byte 1 - Identification in the data type Message Block
Identification
Byte 2
Byte 1
Value
Byte 4
Byte 3
Milliseconds (0 to 59 999)
Hours (0 to 23)
Byte 6
Byte 5
Minutes (0 to 59)
Month (1 to 12)
Byte 8
Byte 7
Day (1 to 31)
Clock-time status
Byte 10
Byte 9
Year (0 = 1900)
Time stamp
in UTC
...
...
1
PROFINET IO mapping
data-object number
Byte 1 - Identification
4
5
6
7
2
0
3
Bit position
Meaning
Byte
com_profinet-io_profile_us.book Page 26 Friday, August 17, 2012 1:40 PM