信号量来确保访问不会导致不一致的状态。 重要性:高 PLCopen规则:CP10 [...] _GLOBAL g_iTemp1: INT [...] _PRG // Controlled by MainTask g_i
:= 10; END_IF IF func [...] _IF 6号线, x 有范围 [1..10 [...] 两个值范围并集的结果 [1..10] 和 [2..20
i := 0 TO 10 BY 1 [...] ) FOR i := 0 TO 10 BY [...] : BOOL; END_VAR VAR i
-24} nTest := 99; i [...] 多个规则: {analysis -10, -24, -18