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Description of the blocks
4.6 Block for timestamping MMLog
SIMOCODE pro PCS 7 Library V9.0
Programming and Operating Manual, 06/2017, A5E40899442002A/RS-AA/001
189
Structure of a special message
Special messages are predefined. There are 5 special messages that are displayed,
depending on the alarm type.
Table 4- 86 Special message assignment
Byte.Bit
Description
Type
IDs (important for SIMOCODE-III)
0.0
Slot number of mod-
ule
Byte[1]
0x0: DPV1 slot model
0x02: S7 slot model
1.0
Specifier of the spe-
cial message
Byte[1]
0x01: Start-up data
0x02: Time-of-day frame failure
0x04: Time difference between frame and inter-
nal clock > 1 second
0x05: STOP of functionality and timestamping
0x06: Buffer full
2.0
Feature of the special
message
Byte[1]
01h: START / INCOMING
00h: END / OUTGOING
3.0
Reserved
Byte[1]
0x00
4.0
Time
Byte[8]
Total time according to ISP (Internet Service
Provider) process:
Bit 0:
1 = Clock is synchronized,
0 = Clock is not synchronized