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-C020-EJE-L3
FANUC SERVOMOTOR A06B-0503-B021 REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7103-5AF71-1EG2
ALLEN BRADLEY AC SERVO CONTROLLER 1391B-AA45N
ALLEN BRADLEY ANALOG ISOLATED THERMOCOUPLE MODULE 1756-IT61/A
ORMEC D- SERIES SERVO DRIVE SAC-D04C/I
INDRAMAT DIGITAL A.C SERVO CONTROLLER DDS02.1-W025-D
RATHGEBER TRANSFORMER ET 320
ALLEN BRADLEY 2711-B6C5 Panelview
SIEMENS SERVO DRIVE 6SE6440-2AD31-5DA1
SIEMENS SERVOMOTOR 1FT6044-1AF71-3EG1
FANUC CONTROLLER CARD A16BA
LENZE SERVO MOTOR MDFKARS100-22
ALLEN BRADLEY DRIVE 1336VT-B050-EAG REPAIR SERVICE
SIEMENS SIMATIC S5 6ES5 451-7LA12
FUNUC CONTROLLER CARD A16BF
MICROSAFE MC 4200 MC4236R
SIEMENS SERVO MOTOR 1FT5104-1AA71-1AH0
SIEMENS SIMATIC PANEL 6ES7633-2BF02-0AE3
FANUC A06B-6090-H004 Servo Amplifier
ALLEN BRADLEY DRIVE 1336-C020-EAE-S1
VELLINGE CHARGER DSQC 313
FANUC BOARD A20BD
INDRAMAT SERVO DRIVE KDSW1
FANUC DRIVE A06B-6079-H102
SIEMENS INCREMENTAL ENCODER ROD 426B.016
FANUC A06B-6096-H105 Servo Amplifier
KEB COMBIVERT DRIVE 07.F
FANUC SERVO MOTOR A06B-0315-B001
BAUMULLER DRIVE BUM61-VC-AE-1022
SIEMENS SERVO MOTOR 1FK7101-5AF71-1GB3
ACOPOS PLUG IN ENDAT ENCODER INTERFACE MODULE 8AC
SIEMENS SERVOMOTOR 1FT6108-8AF71-3EG1
ALPHA GEARBOX LP 090-M
FANUC AC SERVO MOTOR A06B-0571-B275
CINCINNATI MILACRON ANALOG-DIGITAL CONVA REV J
ALLEN BRADLEY PUSH BUTTON 800T-FXP16 A5
SIEMENS SERVO MOTOR 1FT6102-1AC71-3AG1