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。
Agilent G3431-60531 FID EPC Manifold New
PELCO Esprit ES31CBW24-2W-X IOP 24X High Res PAL
VUTEk 3360 Controller Board Assy AA90206 Rev B NEW
Emerson Force PowerCore CPCI-6750/128S-400-L
Motorola STARLINE SG2000 Optical Node 415239-333-00 NEW
Alcatel 3AL97690AA LC-ESC board NEW
lot 520 iKANOS Fusiv IKF68331-A1-PB1-C chips $4/each
lot of 2500 LINEAR LTC1430CS#TR Voltage Regulator chips
Cooper Cleco STMH for TMEM TME Controller Refurbished
MacGREGOR C000071 cabin display Crane Computer CCP XS
Thrane & Thrane Sailor TT-3606E Message Terminal New
Agilent G1888-60704 G1888A Enhanced PM Kit NEW
