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 A61L Monitor
ALFA LAVAL SERVO DRIVE
SIEMENS SERVO MOTOR 1FK7063-5AH71-1TB3
ALLEN BRADLEY DRIVE 1336VT-B050-EOS-L2 REPAIR SERVICE
CONTROL TECHNIQUES DRIVE MD (PART NO: )
AUTOMATION DIRECT PLC C0-00DD2-D
ALLEN BRADLEY 8520-1APA1 Processor
INDRAMAT CONTROLLER PPC-R02.2N-N-L2-NN-NN-FW
SIEMENS SINAMICS 6SL3120-2TE21-8AA3
ALLEN-BRADLEY DC INPUT MODULE 1771-IB
ALLEN BRADLEY SERVO MOTOR MPL-B320P-8J22AA
SIEMENS SIMOREG MICROPROCESSOR D.C. DRIVE 6RAZ472-ZFV62
SIEMENS REMOTE BASE CONTROLLER A
NEW LISTING SIEMENS 3 PHASE BRUSHLESS SERVO MOTOR 1FT6081-8AF71-1AG1
RELIANCE ELECTRIC PROCESSOR MODULE 57435-G
ABB CONTROL BOARD DS0C331-3HAB 824
FANUC BOARD A16BA
KEB COMBIVERT DRIVE 07.F4.S1D-3420
GIDDINGS AND LEWIS INPUT MODULE R1
FANUC SERVOMOTOR A06B-0501-B031 REPAIR SERVICE
SIEMENS SINUMERIK 840D 6FC5210-0DA00-0AA0/0AA1
MITSUBISHI ELECTRIC SERVOMOTOR HA40C-S
SIEMENS SERVO MOTOR 1FK7100-5AF71-1EB3
SIEMENS SERVO MOTOR 1FK7063-5AH71-1TH3-Z
FANUC AC SPINDLE SERVO UNIT A06B-6055-H218
ALLEN BRADLEY PANELVIEW 2711-B5A2
ALLEN BRADLEY DC CONTROLLER 1387-B-B0A090-B44-AB-SP SER. B
TRANSFORMER 3 HAB 2946-1
PARKER COMPUMOTOR AXL DRIVE 10328
ALLEN BRADLEY OPERATOR INTERFACE 2706-A41J
ALLEN BRADLEY 1336 PLUS DRIVE 1336S-C040-AN-FR4 SER. B
SIEMENS SERVO MOTOR 1FT6084-1AH71-3EG1
WOOD'S E-TRAC AC INVERTER WFC4003-OC TYPE 4X
SQUARE D -THERMAL - MAGNETIC CIRCUIT BREAKER FAL26020
MILLER ELECTRIC WELD CONTROLLER
SIEMENS SERVO MOTOR 1FK7042-5AK71-1AA5
ALLEN BRADLEY 1398-DDM-030 Servo Drive
WHEDCO SERVO MOTOR IMCA