using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace DataBlockHelper.DBHelpers { public class DB137WriterHelper { public static void AddSpeed(List ls) { var siemensS7Net = PlcConnect.Instance; int start = 2; foreach (var item in ls) { string db = $"DB137.{start}.0"; siemensS7Net.Write(db,item); start=start+4; } } } }