存储器备用电池安装在电源模板中,如果电源模板从基板上被拔下那么电池将同安装在底板上的存储器回路分离,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
EMERSON 5A26391H18 USPP 5A26391H18
FORNEY 32752703 USPP 32752703
FOXBORO 2AI-F2V NSFP 2AIF2V
ALLEN BRADLEY 1785-L20C15 USPP 1785L20C15
STI OF4172BR USPP OF4172BR
FANUC A06B-6058-H221 USPP A06B6058H221
GENERAL ELECTRIC DS200GDPAG1AGC USPP DS200GDPAG1AGC
BAUMULLER BUG20-120-30-B-?000 USPP BUG2012030B000
BAUMULLER BUG20-120-31-B-?010 USPP BUG2012031B010
INDRAMAT TVM2.1-050-W1-1?15 USPP TVM21050W1115
ALLEN BRADLEY 6181-GLFDBCZZZ USPP 6181GLFDBCZZZ
ALLEN BRADLEY 8410-MTVE NSFP 8410MTVE
SCHWEITZER ENGINEERING SEL-321 USPP SEL321
ADEPT TECH 10332-48712 USPP 1033248712
BENTLY NEVADA 3300/35-11-01-0?1-00-00 USPP 3300351101010
MODICON 5136-MOD-ISA-V4 NSFP 5136MODISAV4
YOKOGAWA DX106-1-2 USPP DX10612
SIEMENS 6ES5-696-3AA21 NSFP 6ES56963AA21
SQUARE D 8538-SFG13V81AF?F4T NSPP 8538SFG13V81AFF?4
INDRAMAT MDD071C-N-030-N?2S-095PB0 NSFP MDD071CN030N2S0?1