存储设备：它用于永久性地存储用户数据，使用户程序不丢失。这些设备，如存储卡、存储磁带、软磁盘或只读存储器。而为实现这些存储，相应的就有存卡器、磁带机、软驱或ROM写入器，以及相应的接口部件。各种PLC大体都有这方面的配套设施。
ALLENBRADLEYPOWERSUPPLY20DR248A0ENNANANE
YASKAWACONTROLLERJZNC-XRK01C-1
SIEMENSSERVOMOTOR1FT6108-8AF71-1AB0
FANUCPCBOARDA16BA
OKUMAOPLUS7000ACPBOARD2E
SIEMENSSERVOMOTOR1FK7022-5AK71-1GB2
LAMBDAPOWERSUPPLYLNS-Z-12
ALLENBRADLEYDRIVE1391-DES45-DI-AQB
SIEMENSSERVOMOTOR1FK7063-5AH71-1EG3
MITSUBISHISERVODRIVEMR-C4OA-PO3
ALLENBRADLEYSLC500PROCESSORUNIT1747-L531SERE
ALLENBRADLEYDRIVE1336-B015-EJE-RP3
ALLENBRADLEYDRIVE1336F-A025-AA-ENREPAIRSERVICE
SICKC4000C40E-0903DA010
CUSTOMSERVOMOTORMPM
INDRAMATCONTROLLERCARDB-8
ALLENBRALDEY40-POINTFEED-THROUGHDIGITALIFM1492-IFM40FSERAREVA
ALLENBRADLEYPOWERSUPPLY2094-BC07-M05-S
SIEMENSSERVOMOTOR1FK7040-5AK71-1AH0
SIEMENSSERVOMOTOR1FT6034-1AK71-1EH1
ALLENBRADLEYPOWERFLEX7020AD3P4A3AYNNNC0
KOLLMORGENDRIVEDC2
ELMOABBSERVOMOTOR3HACART.NB
FANUCCONTROLLERCARDA16BA
SIEMENSSERVOMOTOR1FK7080-5AH71-1TH2
ALLENBRADLEYSENSORLESSVECTOR1336S-BRF20-AA-EN4SERD
INDRAMATCONTROLLERTDMW0
ALLENBRADLEYSPINDLEMOTOR1327AB-AFL-19-E
MITSUBISHIELECTRICSERVOMOTORHA40C-S
SIEMENSSERVOMOTOR1FK7033-7AK71-1DG0
YASKAWASERVOPACKDRIVECACR-IR010101FB
FANUCACSERVOMOTORA06B-0313-B072
FANUCACSERVOMOTORA06B-0041-B605#S042
ALLENBRADLEYPOWERSUPPLYMODULE8000-PG2
ABBROBOTICSSERVOMOTOR1FT3074-5AZ21-9-Z
SIEMENSSERVOMOTOR1FK7100-5AF71-1TG3
INDRAMATACSERVOLINEFORMERNAM1.2-15
CUSTOMSERVODRIVEDSP-15
MOOGSERVOMOTORGG6L45,NOBRAKE)
SIEMENSSERVODRIVE6SN1124-1AA00-0HA1
FANUCVELOCITYCONTROLUNITA06B-6050-H102
GEFANUCOUTPUTMODULEIC693ALG390C
ALLENBRADLEY16POINTRELAYOUTPUTMODULE1746-OW16SERC