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。
YUSHIN Sprue Take out Robot HOP Five 550 & Controller
ABB 3BSX107435R1 3BSE040255R2 Cylmate Angel Transducer
ASM SPP-00003 Rev A Control Board by Sumitomo SVC-2 NEW
ASM SERVO DRIVER Type: APD20 AC DUAL SD 890 02-15783
MECS CYBEQ UTC100 UTC-100 Robot Controller Refurb Spare
IPC IQMX TIC2 SIP LINE CARD 403191403 NEW
MONSANTO PLC 124502F ALP/B0725 Board ADADC71JD new
Lot 130 JPR Sealing Rings FAEG6 84.7139.67 Version D
NORTEL NTHR16GA 56G FABRIC MODULE for Passport New
TEST INNOVATION GENE 20A/GACHETTE ATR Robotique Refurb
53033930 Stahlwille STW393N Multipower 20 to 1 Spare
