DVP-ES3 Series Programming Manual Setting values and descriptions: Enable contact M0 M20=ON, indicating DST function is enabled. The PLC system time adds 60 minutes when the date April 1st arrives, and subtracts 60 minutes when the date September 3rd arrives to end daylight saving time. D100=K2, indicating DST state is being read. Enable contact M1 Setting values and descriptions: _6 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. 6-500 Device Setting Value Description D0 1 The DST state is ON and in mode 1. D1 4 Starting month: April D2 1 Starting date:
the 1st D11 9 Ending month: September D12 3 Ending date: the 3rd D20 60 Duration: 60 minutes Device Setting Description Value D100 5 Function code is 5, indicating the DST state is ON and in mode 1. D101 4 Starting month: April D102 1 Starting date: the 1st D111 9 Ending month: September D112 3 Ending date: the 3rd D120 60 Duration: 60 minutes M21 ON Node state is ON.