Chapter 6 Applied Instructions Enable the contact M0 OFF=>ON again; this act has no impact on the DST. The DST does not reset. Setting values and descriptions: If the daylight saving time starts from 3 o’clock of 1 st April, 60 minutes is added; the real-time clock shows 4 o’clock of 1 st April. No matter how many times the contact M0 is disabled or enabled, the real-time clock keeps the same daylight saving time. Example 3 Enable DST function and in mode 2. Set the DST to start from the 2 nd Wednesday of May and to end on 3 rd Friday of September and the duration is 60 minutes. 6_ Setting values and descriptions:
6-501 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.