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品牌型号：XYCOM XUME-530
安装方式：现场安装
LD指令处理器：硬PLC
可售卖地：全国
质保:一年
联系方式:+86-18150087953
邮箱:340565517@qq.com
Public Declare Function d_field_write Lib "w95_s7.dll" (ByVal db As Long, ByVal nr As Long, ByVal anz As Long, value As Byte) As Long这是写DB块数据的函数，参数跟读数据函数一样，不多说了' no, amount, value
Public Declare Function e_field_read Lib "w95_s7.dll" (ByVal nr As Long, ByVal anz As Long, value As Byte) As Long„这个是用来读取外部输入的值，包括开关量输入，模拟量输入nr 是指起始地址anz是指读取的长度
