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 SERVO MOTOR 1326AB-A3E-11
DC TACHOMETER
INDRAMAT CONTROLLER CARD A01-07
FANUC AC SERVO MOTOR A06B-0347-B256 (NO ENCODER)
SIEMENS SERVO MOTOR 1FT6105-8AF71-4AA0
SIEMENS SINUMERIK CONTROL PANEL 6FC5203-0AD10-0AA0
ADVANCE SERVO DRIVE P
SIEMENS DRIVE 6ESAA13
SANYO DENKI PANEL MCIK-PE
GOULD MICRO 84 CONTROLLER(M84A-002) AS-M84A-002
SIEMENS SERVOMOTOR 1FK7022-5AK71-1LH3-Z
SIEMENS PERMANENT MAGNET MOTOR 1FT60641AF713AG1
ACOPOS PLUG-IN MODULE 8AC110.60-2
SIEMENS CONTROL CARD 6FX1122-4CA00
ALLEN BRADLEY GUARD MASTER 100-C60*00
MITSUBISHI INVERTER FR-Z240-2.2KP-UL
SIEMENS INTERFACE MODULE 6FX1115-0AA02
FANUC BOARD A16BA
SIEMENS SIMATIC DR TI315-DR
YASKAWA SERVO MOTOR USAFED-13C22KE
PARKER COMPAX 3 DRIVE C3S038V4F11 I20 T11 M00
ALLEN BRADLEY SERVOMOTOR NH00AA
DANFOSS DRIVE FC-051PK75T4E20H3XXCXXXSXXX (P/N: 132F0018)
SIEMENS POWER BOARD 6SC6108-0SE01
ALLEN BRADLEY DRIVE 1336-B040-EAG-L2
SIEMENS DC CONVERTER 6RA7075-6FV62-0-Z
FANUC AC SERVO MOTOR A06B-0147-B075#7008
MOOG WIN DRIVE TA-17-H1-2-2A
SIEMENS SERVO MOTOR 1FK7042-5AK71-1TB2
ATLAS COPCO ASSEMBLY SYSTEM QMM34025
ALLEN BRADLEY 2711P-T10C1 Panelview
RELIANCE SERVO MOTOR SSM320
SIEMENS MIDIMASTER VECTOR CONTROL SENSORLESS 6SE3221-1FG40
OKUMA SERVO AMPLIFIER BL-D50A
BALDOR DC MOTOR M-3363-BLYAN
ALLEN BRADLEY DRIVE 1336S-C050-AN-EN REPAIR SERVICE
WOOD AC INVERTER X2C2003-0B
SIEMENS CONTACTOR 3FT4122-OA