描述
当偶发性故障条件出现时，不破坏PLC内部的信息。一旦故障条件消失，就可恢复正常，继续原来的程序工作。所以，PLC在检测到故障条件时，立即把现状态存入存储器，软件配合对存储器进行封闭，禁止对存储器的任何操作，以防存储信息被冲掉。
RIKEN KEIKI Gas meter Alarm System GX-111 GX-111EX Used
Magmotor 500280159 Motor NEW HAAS 36-4175B
VAT 07512-VA24-AAZ2/0693 Rectangular Door L Slit Valve
Wartsila injection valve for W20 W4L20/7786 engine
USED JRC GPS NAVIGATOR JLR-6800 working spare
Motorola MC2000 FR6074 Phone Barcode Scanner DVT ES Ver
BRAY 6A i/p Positioner 6DR5010-0NN00-5KA0 Siemens NEW
Square D Netural Current Transformer 34036 1000-4000A
ABB 3BSE040360R41 Compact Control Builder CD license
ELO 15A2 15 Inch LCD TOUCHCOMPUTER e888343 Spare
Lot 45 elo boards CTR-700000-AP-USB-00R PIP#:3882505
Alcatel PSF 3DB01806AA New
New Alcatel PSL-4860 3DB00619AA
Mesa Versorgungseinheit Typ VE 02-A NEW
POLE STAR DSAS-L Ship Security Alert SKYWAVE DMR-200
