描述
系统相比，电气接线及开关接点已减少到数百甚至数千分之一，故障也就大大降低。此外，PLC带有硬件故障自我检测功能，出现故障时可及时发出警报信息。在应用软件中，应用者还可以编入外围器件的故障自诊断程序，使系统中除PLC以外的电路及设备也获得故障自诊断保护。这样，整个系统的可靠性极高。
ALLEN BRADLEY 7300-VPT-1 USPP 7300VPT1
ALLEN BRADLEY 3100-CPU USPP 3100CPU
8000-PG ALLEN BRADLEY
One-day shipping available
ALLEN BRADLEY 8600-RIFM USPP 8600RIFM
NEW Allen Bradley 1785-CHBM PLC 1785CHBM NIB FS
One-day shipping available
NEW Allen Bradley 1785-CHBM PLC 1785CHBM NIB FS
One-day shipping available
NEW SEALED Allen Bradley 1785-L60B /E 1785L60B
One-day shipping available
Allen Bradley Nema Size 5 150hp Motor Starter #5 Panel
NEW ALLEN BRADLEY 7.5 AMP ULTRA 100 SERIES SERVO DRIVE
Allen Bradley 1391B-ESAA45-AQB Controller Rebuilt Warr
NIB ALLEN BRADLEY 1785-L40B SERIES E PROCESSOR MODULE
One-day shipping available
