Siemens SIMATIC NET Dokumentacja Strona 157

  • Pobierz
  • Dodaj do moich podręczników
  • Drukuj
Przeglądanie stron 156
Chapter 9. Configuring the I/O Driver with the Power Tool 147
Example 1
PollRec1
Primary Poll Rate = 10 seconds
Secondary Poll Rate = Disabled
Access Time = 5 minutes
In this datablock, when the access time expires, the driver attempts to poll with the secondary
poll rate, but stops because this poll rate is disabled.
Example 2
PollRec2
Primary Poll Rate = 10 seconds
Secondary Poll Rate = 1 minute
Access Time = 5 minutes
In PollRec2, when the access time expires, the driver switches to the secondary poll rate and
then polls the datablock every minute.
Przeglądanie stron 156
1 2 ... 152 153 154 155 156 157 158 159 160 161 162 ... 267 268

Komentarze do niniejszej Instrukcji

Brak uwag