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。
INDRAMAT CONTROLLER CARD B01-02
REXROTH INDRAMAT ECO DRIVE DKC03.FW
BOSCH REXROTH SERVO AMPLIFIER LTE 45
SIEMENS SIMODRIVE 6SN1123-1AA00-0CA1
ALLEN BRADLEY 1771-DA ASCII I/O MODULE
KEB COMBIVERT DRIVE 14.F4.F1E-4019
ALLEN BRADLEY DRIVE 1336F-B060-AN-EN REPAIR SERVICE
ALLEN BRADLEY AC DRIVE 1336S-C007-AA-EN4
ALLEN BRADLEY DRIVE 1336E-BRF20-AN-EN-HA2-L4 SER D
HITACHI CONTROL ER CARD BEM
SIEMENS SIMODRIVE 6SC 6111-5DA00
FINCOR DC MOTOR CONTROL 2200 S
SIEMENS SIMODRIVE 6SN1123-1AA00-0BA1/OBA0
ALLEN BRADLEY DRIVE 1336S-BX040-AX-EN REPAIR SERVICE
INDRAMAT SERVO MOTOR MAC112C-0-ED-4-C/130-A-0/W1520/S05
UNIPOWER MONITOR TOOL SYSTEM ( 3x575 VAC ) HPL110
SIEMENS SINUMERIK MODULE 6FC3381-0EA-Z
ALLEN BRADLEY INTEGRATED AXIS MODULE 2094-BC01-M01-S
ALLEN BRADLEY DRIVE 1370AR-BOA74-E REPAIR SERVICE
ALLEN BRADLEY CATALOG SERIES 1756-OA16 SER A PART NO: A01
TOYO COOLING FAN UT655D
SIEMENS SERVO MOTOR 1FK6101-8AF71-1AB0
YASKAWA SERVO PACK SGDB-20ADM-P
CINCINNATI MILACRON DC DRIVE 6SC 6101-6A-Z
NEMATRON PANELVIEW GL-5PV8-CNC
ALLEN BRADLEY SERVO DRIVE 8520-S10
ALLEN BRADLEY DRIVE 160-BA04NSF1
GOULD ULTRASAFE FUSE BLOCK US353
ALLEN BRADELY FIXED-DEPTH FLANGE-MOUNTED DISCONNECT SWITCH 1494F-N30
SIEMENS SERVO MOTOR 1FT6064-1AF71-2EG1
SIEMENS MOTION CONNECT POWER CABLE (26M) 6FX8002-5CS01-1CG0
HEIDENHAIN ENCODER ROD 02S12-03
SIEMENS SERVO MOTOR
HITACHI BOARD BEJ
SIEMENS CONTROLLER CARD 6SC6500-0NA02
ALLEN BRADLEY DRIVE 1336VT-B020-EOP-S1
ABB ROBOTIC DRIVE 3HABB
SIEMENS SERVO MOTOR 1FT6034-1AK71-2EH1