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 1370AR-BOA75-E REPAIR SERVICE
SIEMENS SIMODRIVE 6SN1123-1AB00-0CA2
GOULD POWER SUPPLY
SIEMENS SINAMICS 26 V CONTROL SUPPLY MODULE 6SL3100-1DE22-0AA0
FANUC A06B-6047-H040 VELOCITY DRIVE
TRANSFORMER T
FIDIA M30 CONTROL BOARDS DCB1
SIEMENS SERVOMOTOR 1FK7080-5AH71-1GB3
SIEMENS SIMODRIVE 6SN1145-1BB00-0EA1
FANUC DRIVE A06B-6079-H102
CUTLER HAMMER CIRCUIT BREAKER FDB3015V
CUSTOM SERVO MOTORS MPM892M-1403
MODICON TELEMECANIQUE SERVOMOTOR BPH1904K5AF2CA
ALLEN BRADLEY 16 POINT DIGITAL INPUT MODULE 1746-IA16 SER B
FANUC SERVO MOTOR A06B-0514-B259
INTEK SERVO MOTOR MPM
YASKAWA DCP UNIT JUSP-DCP-60A
SIEMENS SERVO MOTOR 1FK7032-5AK71-1AH3
ABB ROBOTICS SERVO MOTOR PSP-3294
FANUC ELECTRIC DRIVE FRN060G11S-2UX REPAIR SERVICE
FUJI ELECTRIC POWER MODULE (IGBT) ETK85-050
SIEMENS SINUMERIK INTERFACE BOARD 6FX1121-4BA02
SIEMENS CONTROLLER CARD 6SC6100-0NA01
SEW EURO DRIVE MAS51A
GOULD CONTROLLER CARD AS-CREV A7
OKUMA BL MOTOR BL-H100E-20T
SIEMENS SERVO MOTOR 1FK7080-5AF71-1TG3
CONTROL TECHNIQUES BRUSHLESS AC SERVO DRIVE MaxAx 100
INDRAMAT DIGITAL AC SERVO CONTROLLER DDS03.2-W050-B
SIEMENS SERVO MOTOR 1FK7080-5AH71-1AH5
FANUC BOARD A16BB
INDRAMAT SERVOMOTOR MAC112D-0-ED-4-C/130-A-0/WI520L/S05
MITSUBISHI PLC OUTPUT UNIT A1SY42
ALLEN BRADLEY SLC500 INPUT MODULE 1746-IB32 SER D
MITSUBISHI SERVO DRIVE MDS-B-V2-3520
MTE LINE REACTOR RL-20002
ALLEN BRADLEY DRIVE 1370AR-AOA74-E REPAIR SERVICE
HITACHI BOARD AH