A 35
1.6
Changing between summertime and wintertime
The following paragraphs illustrate the changes in system time and device
status of a registration period when switching from wintertime to summer-
time (and vice versa) and subsequently retrieving data using the SCTM
protocol.
1.6.1
Switching from wintertime to summertime
Example: Data registered on 28.03.99 is being retrieved, registration period length is
15 minutes.
CET
Central European
Time
CEST
Central European
Summertime
S-Bit
T-Bit
*
Explanation
01:30
01:30
0
0
Wintertime
01:45
01:45
0
0
Wintertime
02:00
03:00
1
1
Summertime
S-Bit is 1
,
the change from wintertime to summer-
time has taken place
T-Bit is 1
02:15
03:15
1
0
Summertime
02:30
03:30
1
0
Summertime
*
: The T-Bit will be set in each registration period where the time was mod-
ified.
1.6.2
Switching from summertime to wintertime
Example: Data registered on 31.10.99 is being retrieved, registration period length is
15 minutes
CET
Central European
Time
CEST
Central European
Summertime
S-Bit
T-Bit
*
Explanation
00:30
01:30
1
0
Summertime
00:45
01:45
1
0
Summertime
01:00
02:00
1
0
Summertime
01:15
02:15
1
0
Summertime
01:30
02:30
1
0
Summertime
01:45
02:45
1
0
Summertime
02:00
02:00
0
1
Wintertime
S-Bit is 0
,
the change from summertime to winter-
time has taken place
T-Bit is 1
02:15
02:15
0
0
Wintertime
02:30
02:30
0
0
Wintertime
*
: The T-Bit will be set in each registration period where the time was mod-
ified.
Summary of Contents for DLX
Page 9: ...9 1 Scope of Application 1 1 Application environment Figure 1 Application environment...
Page 42: ...42 4 2 Installation diagram Figure 13 Dimensions of mounting points...
Page 54: ...54 7 Menus 7 1 Flow diagram Figure 24 Flow diagram of menus...
Page 110: ...Subject to change without notice...
Page 111: ...E116012215052 Appendix A Data Retrieval Protocols...
Page 112: ...A 2...
Page 156: ...Subject to change without notice...
Page 157: ...E116012215052 Appendix B Table Addresses...
Page 158: ...B 2...
Page 170: ...Subject to change without notice...
Page 171: ...E116012215052 Appendix C List of Parameters and Constants...
Page 172: ...C 2...
Page 178: ...Subject to change without notice...