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 DRIVE 1336-B010-EAD-FA2-L3 SER.A
SIEMENS SERVO MOTOR 1FK7060AF71-1PH0
ALLEN BRADLEY BOARD R176860
ENCODER ROD 426 A 2500
DEMAG CRANES & COMPONENTS AC MOTOR KBL 71 A 4
SIEMENS SERVO MOTOR 1FK7103AF71-1EA3
SIEMENS SERVO MOTOR 1FK7100AF71-1EB0
ALLEN BRADLEY DRIVE 1336VT-B020-EAP-L2
SAO ELECRIC REACTOR UZDC-B
ALLEN BRADLEY BULLETIN 1305 DYNAMIC BRAKE 1305-KBA03
FANUC A05B-2301-C372 Teach Pendant
SIEMENS SERVO MOTOR 1FK7063AH71-1TB5
INDRAMAT SERVO MOTOR MAC112D-0-ED-4-C/130-A-2/WI574LX/S018
SIEMENS SERVO MOTOR 1FT6105-1AC71-1EG1
MITSUBISHI SERVO DRIVE MR-J2-200A
INDRAMAT CONTROLLER CARD DCF01-12
INDRAMAT DRIVE DDS02.1-W100-D
SIEMENS SERVO MOTOR 1FK7063AF71-1GB3
LENZE DRIVE,33.8201-E
GOULD CONTROLLER CARD REV C
SIEMENS INVERTER 6SE7031TF60-ZM20 REPAIR SERVICE
DOERR STEDI-DRIVE 333063A0J761
FANUC MODEM MODULE IE
SIEMENS CONTROLLER CARD C98043-A1052-L
FANUC SERIES 18I-W
YASKAWA DC MOTOR UGHMED-06-HS12
FANUC AC SERVO MOTOR A06B-0505-B003
FANUC CONTROLLER CARD A20BB
LUTZE MODULE 743304
FANUC CONTROLLER CARD A16B
ADVANCE SERVO DRIVE P
INDRAMAT DRIVE DKS01.1-W050A
SIEMENS SERVO MOTOR 1FK7100AF71-1AH2
MITSUBISHI POWER SUPPLY FX-32MR-ES/UL
HITACHI BOARD BEJ
ALLEN BRADLEY INPUT MODULE 1746-1N16
INDRAMAT PERMANENT MAGNET MOTOR MKD041B-144-KG0-KN
CINCINNATI MILACRON CNC INPUT CIRCUIT BOARD CARD A