C变量初始化外部块存储到CPU之后，他的全局变量和静态变量的副本存储起来。然而，如果外部块声明静态变量时没有赋初值，则初始值必须在C程序中给定。(参考PAC系统的C语言编程工具包用户手册GFK-2259内的“全局变量初始化”和“静态变量”)在从停止状态转换到运行状态时，会用保存起来的初始值重新初始化块内的全局变量和靜态变量。

Unico PLC Board 317879.009 #13431

Barber Colman 80CC-11001-101-​0-00 Maco 8000 #7786

Hitachi Inverter Drive SJ300-110HFU #36650

Fanuc A16B-1211-0041/​02A Circuit Board #7227

Barber Colman 80CC-11001-002-​0-00 Maco 8000 #5484

Accuray 0-083152-001 Circuit Board #26433

Accuray 9-083161-001 Circuit Board #26434

Accuray 2-066692-001 Circuit Board #26435

Accuray 1-069846-001 Circuit Board #26437

Accuray 9-067451-002 Circuit Board #26439

Accuray 5-067457-001 Circuit Board #26441

Accuray 6-067472-001 Circuit Board #26443

Accuray 8-069229-001 Circuit Board #26444

Accuray 7-084963-001 L1 Circuit Board #26455

STI Light Curtain Transmitter 42687-0480 #13165

STI Light Curtain Transmitter 42672-0480 #13167

Ingersoll Rand 93972750 DC Motor System Drive #7074

Allen Bradley 1336F-BRF50-AA-​EN-HCS1-L5 #10847