然而底板电路板中包含有一个被称作“超级电容”的高电容，如果电源被切斷或者电池被拿去它可以存储足够的电量用来在短时期内以维持存储器回路的供电，相关部分可参看第6章中的“超级备用电容器存储器”.这类CPU没有日期时间的显示
EUCHNER ROTARY ENCODER PWE 0008 BRG
BSM 713-1-1 APPROX 1/2″ SHAFT ROTARY GEAR PUMP,
ALLEN BRADLEY 836T-T252J X21X15 SERIES A 120-600 VOLTS
GROUPE SCHNEIDER AS-W600-009 / 533260 CABLE 9 FT TO CHA
SQUARE D FA34020S1121 3 POLE CIRCUIT BREAKER, NNB
SQUARE D FAL26030 SERIES 2 THERMAL-MAGNETI?C CIRCUIT BRE
ALLEN BRADLEY 1336-QOUT-SP1A SERIES A 460 VOLT 7.5-10 H
ALLEN BRADLEY 845B-MJZ2DN1LN4 SERIES B 8-15 VDC OPTICAL
FANUC ROBOTICS SERVO ABS PULSE CODER A860-0320-T111 200
FANUC ROBOTICS SERVO PULSE CODER ABS2000P A290-0561-V53..?.
GRACO GENUINE PARTS BEARING SLEEVE 176851 , LOT OF
REXROTH, R978024200, SOLENOID DIRECTIONAL VALVE, 110 V,
ASCO 8210B20, SOLENOID VALVE, 125 PSI, 1/4″ NPT, 6.5 W,
CHICAGO LATROBE 47291, JOBBER DRILL BITS, BLACK OXIDE,
VICKERS F3-DG5S-8-33C-T?-M-FPBWL-B5-30 DIRECTIONAL CONTR
MILLER PSA-2 115 VOLT PHASE 1 FEEDER CONTROL,
ALLEN BRADLEY 24 VDC OUTPUT 1794-OB16P LOT OF 10
