PLC controller is essentially a dedicated industrial control computer, ab test kit standard, the hardware structure is basically the same microcomputer. In order to further improve the reliability of PLC controllers, Shenyang ab test case in recent years for large-scale PLC also uses dual-CPU constitute a redundant system, or the use of three CPU of voting systems. Thus, even if a CPU fails, the whole system is still running. ab test kit price, Shen electrically (certified), Shenyang ab test kit on the people by the Shenyang Electric Limited. ab test kit price, Shen electrical (certified), Shenyang ab test case on China Shenyang Electric Co., Ltd. (www.zsmsy.com) (www.smdqee.com) this year introduced a new upgrade, the above picture is only for reference, please call the contact phone book page or image on to obtain the latest information, contact: Wei Song.