Delta AS Series Programming Manual page 885

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D100=K2, indicating DST state is being read.
Enable contact M1
Setting values and descriptions:
Setting
Device
Value
D100
D101
D102
D111
D112
D120 60
Y0.1 ON
Use the instruction DST or HWCONFIG in ISPSoft to read the daylight saving state. The HWCONFIG converts the result
from week number to the corresponding dates and months automatically.
Enable the contact M0 OFF=>ON again; this act has no impact on the DST. The DST does not reset.
Setting values and descriptions:
_6
Setting
Device
Value
D100
D101
D102
D111
D112
D120 60
Y0.1 ON
If the daylight saving time starts from 3 o'clock of 1
April. No matter how many times the contact M0 is disabled or enabled, the real-time clock keeps the same daylight
saving time.
6 - 6 0 6
Before firmware V1.04 (V1.04 excluded), function code is fixed to 2,
2
indicating the DST state is being read.
After firmware V1.04 (V1.04 included), function code is 5, indicating the DST
5
state is ON and in mode 1.
4 Starting month: April
st
1 Starting date: the 1
9 Ending month: September
rd
3 Ending date: the 3
Duration: 60 minutes
Node state is ON.
Before firmware V1.04 (V1.04 excluded), function code is fixed to 2,
2
indicating the DST state is being read.
After firmware V1.04 (V1.04 included), function code is 5, indicating the DST
5
state is ON and in mode 1.
4 Starting month: April
st
1 Starting date: the 1
9 Ending month: September
rd
3 Ending date: the 3
Duration: 60 minutes
Node state is ON.
Description
Description
st
April, 60 minutes is added; the real-time clock shows 4 o'clock of 1
st