5SHY4045L0004 为每个新创建的标签分配一个数值

　　目标5SHY4045L0004 将使用各种方法描述其标签。标签(PLC中创建的变量)存储在一个带编号的寄存器地址中，可能是该寄存器中的一位。一些PLC品种要求您知道这个特定的地址号码。

西门子就是一个例子。要指向单个bool，您需要指定一个输入、输出或内存，然后是一个寄存器地址(可能是15)，然后是该寄存器的一个位(如3)。在本例中，布尔值为M15.3 .整数不包括位本身，因此可能只是M15。

一些5SHY4045L0004 可能有一个有序的方法来为每个新创建的标签分配一个数值。它们可能各有一个前缀来表示数据类型。类似这样的结构示例来自自动化直接生产力PLC行，其中第一个创建的布尔值将是C-000001(C是布尔值的指示符)。32位整数可以是S32-000001等。

在5SHY4045L0004 体系结构中，结构是按标签名称排列的。用户创建的每个标签都有一个唯一的名称，而不是一个编号。这可以简化过程，只要PLC设计人员为标签指定逻辑名称即可。这种标签命名方法的一个例子如图2所示。

Target 5SHY4045L0004 will use various methods to describe its labels. The label (a variable created in the PLC) is stored in a numbered register address, which may be a bit in that register. Some PLC varieties require you to know this specific address number.

Siemens is an example. To point to a single bool, you need to specify an input, output, or memory, followed by a register address (possibly 15), and then a bit of that register (such as 3). In this example, the Boolean value is M15.3. The integer does not include the bit itself, so it may only be M15.

Some 5SHY4045L0004 may have an ordered method to assign a numerical value to each newly created label. They may each have a prefix to represent the data type. An example of such a structure comes from an automated direct productivity PLC line, where the first Boolean value created will be C-00000 1 (C is the indicator of the Boolean value). 32-bit integers can be S32-00001, etc.

In the 5SHY4045L0004 architecture, structures are arranged by label names. Each label created by the user has a unique name, not a number. This can simplify the process as long as the PLC designer specifies a logical name for the label. An example of this label naming method is shown in Figure 2.