判断指定的程序码群组是否等于目前程序码群组，若有指定则检查子程序码群组。
Determines whether the specified code group is equivalent to the current code group, checking the child code groups as well, if specified.
如果无法保存子程序名，则检查DIE是否可用，并重新执行相关操作。
If you cannot store the subprogram name then start over by checking if DIE is available.
在这个状态下代码会在事件发生的同时运行一个子程序来检查答案并显示下一道问题。
In the next state, the script will run a subroutine associated with the event to check the answer and display the next multiple question.
在我们的子程序清单中首先是一个简单的逻辑块，用来检查是否有加速器可读。
First in our list of subroutines is a simple logic block to check if the accelerometer is available for reading.
考虑下面的梯子程序，检查是否启用了连接(A202.00)，那么从PLC电脑发送一条消息。
Consider the following Ladder Program that checks if a connection is enabled (A202.00) then send a message from the PLC to the PC.
考虑下面的梯子程序，检查是否启用了连接(A202.00)，那么从PLC电脑发送一条消息。
Consider the following Ladder Program that checks if a connection is enabled (A202.00) then send a message from the PLC to the PC.
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