Description
根据统计资料表明:在PLC控制系统的故障中,CPU占5%,I/O接口占15%,输入设备占45%,输出设备占30%,线路占5%。前二项共20%故障属于PLC的内部故障,它可通过PLC本身的软、硬件实现检测、处理;而其余80%的故障属于PLC的外部故障。
MODICON 140CPU11303 CONTROLLER USED 140CPU11303
ALLEN BRADLEY SAFETY LIGHT CURTAIN NEW 440L T4J0960YD
EMERSON K55HXFEG-1285 MOTOR NEW K55HXFEG1285
FANUC AC SERVO A06B-0128-B076-R USED A06B0128B076R
INDUCTOHEAT CAPACITOR 10310-027 NEW 10310027