问题描述
此功能:
tuples
如果我想使用此fc读取DB,BlockType的参数是什么? 我试过了:S7Consts.S7AreaDB,132,0x41,65
解决方法
如果你想读取任何数据块,你可以使用DBRead方法。
首先配置您的设备和数据块:https://github.com/fbarresi/Sharp7/blob/master/README.md
然后你可以像这样读取数据块:
var _s7Client = new S7Client();
int connectionResult = _s7Client.ConnectTo("192.168.0.1",1);//write your PLC IP address
if(connectionResult == 0)
{
var buffer = new byte[6];
int readResult = _s7Client.DBRead(1,buffer.Length,buffer); //parameters: dbNumber,startingAddress,readLength,buffer
if(readResult == 0)
{
byte x = S7.GetByteAt(buffer,0); //parameters: buffer,position
string y = S7.GetCharsAt(buffer,2,4); //parameters: buffer,position,length(byte)
}
else
{
//read error
}
}
else
{
//connection error
}