如果希望满足程序的完整性或PLC无需电池而工作，那么–种任选的EEPROM或EPROM可以装于嵌入式CPU基板空插座(标记位PROGRAM PROM)内，或装于CPU 331模块(并且CPU341中的硬件IC693CPU341-J和固件4.61版本之前的)的插座内，331型(和较早类型的341)CPU模块有一个位于EEP ROMEPROM插座旁的跳线(标记为JP1)，以便用户来选用EEPROM或EPROM，应用程序兼容性

YASKAWA ELECTRIC USA-MED-30MA2SE USPP USAMED30MA2SE

SST 5136-DNP-MUL USPP 5136DNPMUL

KAWASAKI P80B22450RCX2A USPP P80B22450RCX2A

ADEPT TECH 30332-12350 USPP 3033212350

NEMATRON CORP IWS4504B USPP IWS4504B

ATLAS COPCO 8433-1740-00 USPP 8433174000

GE FANUC IC3600SSVG1 USPP IC3600SSVG1

MITSUBISHI GT1595XTBA USPP GT1595XTBA

BENTLY NEVADA 3500/42 NSPP 350042

ORMEC MAC-A055D/K1A USPP MACA055DK1A

CARRIER HK50AA020 USPP HK50AA020

MOORE PRODUCTS 39VIMCCN USPP 39VIMCCN

NEMATRON CORP ICC-5000-PC1 USPP ICC5000PC1

FOXBORO 130ZY-N4 USPP 130ZYN4

EMERSON AX-4000-00-00-0?0C USPP AX4000000000C

ALLEN BRADLEY 1326AS-B440G-21?-K4 USPP 1326ASB440G21K4

ACCU SORT OMNX USPP OMNX