使用Moka7读取Plc中的数据

Question

您需要这些方法的参数是什么？

 Client.ReadArea(S7.S7AreaDB,1,1,1,byte[]{2});
 S7.GetDIntAt(byte,1);

每种方法的数量都有哪些值？

Answer 1

AreaType area: one of area type like DB (data block), MK (Merker) and ...

int db: `IF` area type is DB, it will the show db number

int start: show the position of start of bits

int amount: number of bits

DataType type: type of Data like BIT, BYTE, WORD, REAL and ....

byte[] buffer: result will be copy to this array

  

client.readArea（AreaType.DB，200,34,1，DataType.BYTE，buffer）;