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。
FANUC CONTROLLER CARD A20BF
LENZE/ AC TECHNOLOGY DRIVE L15250C REPAIR SERVICE
KOLLMORGEN SERVOMOTOR 6SM 56-M 3000
SCHNEDIER PLC MODULE TSXAEM1613
ALLEN BRADLEY DRIVE 1370AR-BOB75-E REPAIR SERVICE
ROSS 2768C5901
ALLEN BRADLEY DRIVE 1336VT-B015-EON-FA
ATLAS COPCO ASSEMBLY SYSTEM QMM34025
ALLEN BRADELY AC RELAY 700-P200A1
INDRAMAT PERMANENT MAGNET MOTOR MKD041B-144-GP0
SSD SERVO DRIVE S.
SIEMENS SERVO MOTOR 1FK7083-5AF71-1GA3
OMRON UNIT C200H-AD003
SIEMENS SERVO MOTOR 1FK7080-5AH71-1GG0
FANUC CONTROLLER CARD A16BD
FANUC CONTROLLER CARD A20B A20BF
ABB ROBOTICS SERVO MOTOR 1FK6083-6AZ21-9ZZ9-Z S02
FANUC AC SERVO MOTOR A06B-0310-B251
SIEMENS SERVO MOTOR 1FK7042-5AF71-1GB2
MARATHON 10HP DC DRIVE EL0008 77B15B4-60R1 ( 4320 )
SIEMENS PERMANENT MAGNET MOTOR 1FT5076-0AC01-0-Z
SIEMENS SERVOMOTOR 1FT6105-8AF71-1DA0
BERGER LAHR SERVO DRIVE TLD011 F
SIEMENS SERVO MOTOR 1FK7083-5AF71-1AH0
ALLEN-BRADLEY INPUT MODULE 1771-IVN
EXLAR GS SERIES LINEAR ACTUATOR GSFM-EM1-M6-EB
SCHWABEN GEAR BOX U35
FANUC AC SPINDLE MOTOR A06B-0830-B300
SIEMENS CONTROL PANEL BOARD 570 548.9102.00
SIEMENS SERVO MOTOR 1FK7080-5AH71-1AB3
SIEMENS SERVOMOTOR 1FK7044-7AH71-1EG0
CUTLER HAMMER CIRCUIT BREAKER FDB3015V
ALLEN BRADLEY DRIVE 1336-C025-EOF-FA2
SANYO DENKI SERVO MOTOR P50B08050DXS07
MCG MOTOR B6-AB23001-V1
ALLEN BRADLEY DRIVE 1336-C025-EJF-L1
ALLEN BRADLEY PANELVIEW 2711-K10C1
ABB SERVO DRIVE ACSS00B