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 POWERFLEX 70,20AD011A0AYNANNN
YASKAWA ELECTRIC POWER SUPPLY UNIT JUSP-RCP01AAA
SIEMENS PERMANENT MAGNET MOTOR 1FT5066-0AF01-2-Z
SIEMENS CONTROLLER CARD 65C5111
SIEMENS SERVO MOTOR 1FK7101-5AF71-1SA3
EMC INC. DRIVE CIMR-G5U47P5
INDRAMAT SERVO DRIVE DKS 1.1-W050A-DL01-00
SIEMENS CONTROL PANEL BOARD 570 548.9102.00
YASKAWA SERVO CONTROLLER CACR-SR12-TZ6SF
FANUC PULSE CODER UNIT AT002
MITSUBISHI AC SERVO MOTOR HC-KFS13D
ALLEN BRADLEY DRIVE 1336-B020S-EOE
DAIKEN INVERTER AKZ328
FANUC AC SERVO MOTOR A06B-0117-B855#0049
INDRAMAT SERVO MOTOR MAC112C-0-ED-2-C/130-B-1/
AUTOSET WINTRISS LOAD ANALYZER
FANUC DRIVE A06B-6089-H105
ALLEN BRADLEY MINI-PLC PROCESSOR 1772-LXP
MITSUBISHI FILTER FR-ASF-H
BER DRIVE 7DM465-7
SIEMENS 3-BRUSHLESS SERVO MOTOR 1FT5064-1AF71-4EA0
ALLEN BRADLEY DRIVE 1336-B025-EAF-L2
LENZE DRIVE UNIT EVF8203-E
SCHNEIDER AUTOMATION INC. INPUT MODULE AS-BDEP-216, DEP 216
BAYSIDE MOTOR GM090-DEMO
SIEMENS SERVO MOTOR 1FK7063-5AH71-1SH5
SIEMENS SERVO MOTOR 1FK7080-5AH71-1EB2
ABB BOARD DSQC 239
INDRAMAT MEMORY CARD FWC-HSM1.1-SSE-02V47-MS
ALLEN BRADLEY POWERFLEX 70 DRIVE 20AE1P7A0AYNNNC0 SER. A
FANUC DRIVE,A06B-6131-H003
SIEMENS SERVO MOTOR 1FT6084-1AF71-1AG1
MITSUBISHI NO FUSE BREAKER NF100-S
MITSUBISHI AC SERVO MOTOR(AS IS) HC-MF73BK-UL (WITHOUT ENCODER)
SIEMENS SERVO MOTOR 1FK7060-5AF71-1EH2
SIEMENS SITOP POWER20 (POWER SUPPLY) 6EP1436-1SH01
FANUC PULSECODER AT061
ALLEN BRADLEY SERVO MOTOR MPLB680FMJ24AA