Description
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。因此，PLC生产厂家都致力于研制、发展用于检测外部故障的专用智能模块，进一步提高系统的可靠性。
***FS*** Allen Bradley 24VDC In/Out #1791DS-IB8XOB8
Schneider TSX 171CCC98030 CPU & 170ADM85010 **LNC**
SIEMENS Industrial Ethernet ESMITP80 6GK1105-3AA00
Toyo Machinery PCP-40 Circuit Board P-40S PW0113 G24038
Carotron D10541-000 Dancer Position Card D10541 *XLNT*
