TAC 2112, Manual Functional Description
7:18 (22), 0-004-7459-3 (GB) 1999-08-01, TAC AB
7.4 Clock
The controller contains a calendar clock with automatic transition
between daylight saving time and normal time and automatic
compensation for leap years.
The clock must be set manually after a power cut lasting more than
48 hours.
Daylight saving time periods
The times for transitions between daylight saving time and normal
time can be set using the
Daylight saving time period
parameter
(P 67).
P 67 Daylight saving time starts Daylight saving time ends
0 No transition to daylight saving time
1 Last Sunday in Mar 02:00 Last Sunday in Sept. 03:00
2 Last Sunday in Mar 02:00 Last Sunday in Oct. 03:00
3 Date for daylight saving time period set using P 68–P 71
Parameters
P No. Parameter Min. Max. Step Default Comments
P 00 Current time 00:00 23:59 00:01 -
P 15 Set time 00:00 23:59 00:01 00:00 hour:minute
P 16 Set date 01.01 12.31 00.01 01.01 month.day
P 17 Set year 0 9999 1 1995
P 66 Time format 12/24 hours 12 h 24 h 12 h 24 h=hours
P 67 Daylight saving time period 0 3 1 1 1=Mar–Sept, 2=Mar–Oct
P 68 Daylight saving time starts
(date)
01.01 12.31 00.01 03.31 Only if P 67=3
P 69 Daylight saving time starts
(time)
00:00 23:59 00:01 02:00 Only if P 67=3
P 70 Daylight saving time ends
(date)
01.01 12.31 00.01 09.30 Only if P 67=3
P 71 Daylight saving time ends
(time)
00:00 23:59 00:01 03:00 Only if P 67=3