描述
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。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。
MATROX Meteor II METEOR2-MC/2 751-00 Frame Grabber Card
Toshiba IK-C40MR Power Supply with CCD Camera & Lens
MuTech M-Vision MV-510 MV510 PCI Frame grabber Card
DVT Legend 510 510M Vision Camera with Lens
OMRON C200H-MC221 Motion Control MC221 Unit
Watec WAT-505EX VISION CAMERA
GE FANUC 90-30 PLC IC693CPU331-CE 5 SLOT SYSTEM
Pacific Scientific 5240 Indexer Drive 115VAC
SPECIAL OPTICS 56-30-2-8X LASER BEAM EXPANDER
GE Fanuc Horner Electric HE693STP111E Stepper Motor
