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 BRADELY AC SERVO MOTOR H-3016-N-H00AA
FANUC CONTROL BOARD A20B
SIEMENS FAN 2CW8 344
FANUC AC SPINDLE MOTOR A06B-0830-B300
MAGNETEK SERVO DRIVE A
SIEMENS SERVO MOTOR 1FK7083-5AF71-1TB2
DC TACHOMETER 601A100-2
INDRAMAT ECO DRIVE DKC01.FW
SIEMENS SERVO MOTOR 1FT6086-1AF71-1EH1
SIEMENS SITOR VS AC DRIVE 6QG 3212-2AA00
SIEMENS MICROMASTER 4 BASIC OPERATOR PANEL 6SE6400-0PB00-0AA0
INDRAMAT AC SERVO POWER SUPPLY TVM2.WV
SIEMENS SINUMERIK 840C,6FC5100-0AB01-0AA1
KAWASAKI SERVO MOTOR 68BM122HBX22
GROUPE SCHNEIDER MODICON 140CPU43412A
ALLEN BRADLEY 1398-DDM-030 Servo Drive
YASKAWA SERVO MOTOR USAFED-13C22KE
DELTA AC SERVO MOTOR ECMA-C30807PS
DANFOSS VARIABLE SPEED DRIVE VLT-3003, VLT3003
ITD CONTROL MODULE PCB-SPINMOD-1B
SIEMENS TRANSFORMER MT0500A
EBM FAN W2S115-AA01-53
SIEMENS SIMATIC S7 6ES7307-1EA00-0AA0
INDRAMAT CONTROLLER UNIT DDS02.1-A050-D
BALDOR SERVOMOTOR EM7080T REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7042-5AF71-1TB3
ALLEN BRADLEY ADJUSTABLE FREQUENCY AC DRIVE 1333-AAA SER A
MODICON OUTPUT MODULE AS-B
SIEMENS SERVO MOTOR 1FK7060-5AF71-1SG5
INDRAMAT DRIVE DDC 1.1-K100A-DA01-00
ALLEN BRADLEY DRIVE 1336-B020-EAE-L1
SERVO MOTOR , B32
ALLEN BRADLEY DISLAY MODULE 20-HIM-C3
WESTINGHOUSE CIRCUIT BREAKER FB3150S
OKUMA OPERATING PANEL 5020 E
EUROTHERM DRIVE 955L-8R751
MEDAR BOARD 5353-C
SIEMENS SERVO MOTOR 1FT6084-1AF71-2AH1