由于PLC采用了软件来取代继电器控制系统中大量的中间继电器、时间继电器、计数器等器件，控制柜的设计安装接线工作量大为减少。同时，PLC的用户程序可以在实验室模拟调试，更减少了现场的调试工作量。并且，由于PLC的低故障率及很强的监视功能，模块化等等，使维修也极为方便。
ALLEN BRADLEY OUTPUT MODULE 1771-OZC
SIEMENS SERVO MOTOR 1FK7032-5AK71-1DA3
GOULD PERMANENT MAGNET SERVO MOTOR M122-B3BA-900H
FANUC BOARD A20B
SIEMENS SIMODRIVE 6SN1123-1AB00-0AA2
INDRAMAT SERVO DRIVE HDS03.2-W100N-HS45-01-FW
ALLEN BRADLEY DRIVE 1336VT-B015-EAN
SIEMENS SERVO MOTOR 1FK7042-5AF71-1GG2
CONTROL TECHNIQUES DRIVE CD550K
SIEMENS PERMANENT MAGNET MOTOR 1FT5076-0AC71-2-Z
ALLEN BRADLEY DRIVE 1370AR-AOA73-E REPAIR SERVICE
SCHNEIDER TSX QUANTUM RIO DROP 140CRA93100
SANYO DENKI CO. LTD. SERVO MOTOR C
SIEMENS SERVO MOTOR 1FK7063-5AF71-1GG0
ALLEN BRADLEY DRIVE 1336-B020-EJE-L3
BAUMULLER SERVOMOTOR DSF 132 M-54W20-5 UL
ALLEN BRADLEY DRIVE 1336-B020-EJE-RP3
SIEMENS SERVO MOTOR 1FK7080-5AH71-1GB0
ALLEN BRADLEY MINI-PLC PROCESSOR 1772-LXP
INDRAMAT RAC DRIVE RAC 3.L00-W1-220
BALDOR DC MOTOR MTE-4050-BLBCE
FANUC CRT MONITOR DISPLAY TX-1450AB
STOBER GEARBOX P521SPR0030MTL
ABB TEACH PENDANT 3HNE
OKUMA OPUS 7000 CARD FUB-P4R2
MARATHON ELECTRIC MOTOR 7V A56T34F5302F
ALLEN BRADLEY DRIVE 1336-C020-EAE-S1
MAGNETEK VARIABLE FREQUENCY DRIVE CIMR-P5M27P5
MENTOR DC DRIVE MODULE M45R-141CD
SIEMENS SERVO MOTOR 1FK7083-5AF71-1AB3
ALLEN BRADELY SERVO 1391-AA15-A12 CONTROLLER 1391
MODICON CONTROLLER CARD POWER SUPPLY AS-P933-00
SIEMENS CARD 2571
ALLEN BRADLEY DC CONTROLLER 1387-B- F0B260-D39-A4-B-CB SER B
SIEMENS SERVO MOTOR 1FK7083-5AF71-1EH5
ALLEN BRADLEY DRIVE 1336E-BRF20-AN-EN-HA2-L4 SER D
SIEMENS SERVO MOTOR 1FK7022-5AK71-1GB5
ALLEN BRADLEY DRIVE 1388B-AV20