数据并不是自动的存储于PROM中的，为了存储这些信息，必须停止PLC,然后使用编程器告诉CPU把当前PLC(RAM)存储器中的内容写入到PROM设备当中，对于-些用户来说，使用这样的没有存储器电池的操作是不令人满意的，例如在许多应用当中

SEW EURODRIVE 5 METER CONTROL CABLE 817 533 0

SCHNEIDER TSX MOMENTUM 24VDC I/O BASE 170 ADM 390 30

SUNX NPS-C7 SENSOR CONTROLLER UNIT, NIB

ALLEN BRADLEY 42BT-B2LBSL-F4 SERIES A PHOTOSWITCH, NNB

ALLEN BRADLEY 42BT-B2LBSL-F4 SERIES A PHOTOSWITCH, NIB

BUSSMANN FRS-R-4/10, FUSETRON FUSE, 600 V, 4/10 A, 300

LENOX, LNX-91023,NEO-T?YPE BAND SAW BLADE,10′ 5″ LENGTH,

MASTER PNEUMATIC A60045 1/2″ NPTF SINGLE POINT LUBRICAT

ELECTROCUBE RG1986-6 CAPACITOR, 0.50 MFD, 600 V, 1/2 WA

GENERAL ELECTRIC, RTN1C, OVERLOAD RELAY, 0.25-0.41 A, 6

APE INC, 66-ANB-3, BUTTERFLY VALVE, 200 PSI, SIZE 6″

SICK INTELLIFACE SAFETY RELAY UE 43-6MF2D3

TRI LITE DL-40, DOCK LOADING LIGHT, 40″ ARM LENGTH, 150

STI, MC4244RE, MICROSAFE LIGHT CURTAIN, 48″ L, NEMA 4/1

RACINE FE3 PAAD M02S 23, PRESSURE VALVE, 1000 PSI, 2 GP

SQUARE D 8030 PS-10 SY/MAX POWER SUPPLY