目前，在国内外PLC已广泛应用冶金、石油、化工、建材、机械制造、电力、汽车、轻工、环保及文化娱乐等各行各业，随着PLC性能价格比的不断提高，其应用领域不断扩大。从应用类型看，PLC的应用大致可归纳为以下几个方面利用PLC最基本的逻辑运算、定时、计数等功能实现逻辑控制，可以取代传统的继电器控制，用于单机控制、多机群控制、生产自动线控制等，例如：机床、注塑机、印刷机械、装配生产线、电镀流水线及电梯的控制等。这是PLC最基本的应用，也是PLC最广泛的应用领域。
SIEMENS TRANSFORMER,4EM4700-0CB
SIEMENS FAN 2CW5124-3
ACOPIAN AC TO DC MODULE 5EB50
SQUARE D CIRCUIT BREAKER KAL 36000
ALLEN BRADLEY SERVO DRIVE 2098-DSD-HV150-SE
FANUC TEACH PENDANT A05B-2301-C302
ALLEN BRADLEY SERVO DRIVE 8520-3S5A-BAT-EX4-Y-5-7 SER B
SIEMENS SERVO MOTOR 1FK7083-5AF71-1EG3
FANUC DRIVE A06B-6089-H201
FANUC ENCODER AV601
INDRAMAT SERVO DRIVE RAC3.A00-W1-220
ALLEN BRADLEY SLC500 INPUT MODULE 1746-IB32 SER D
SIEMENS SERVO MOTOR 1FT6086-1AF71-2EG1
FANUC CONTROLLER CARD A20BB
BOSCH DRIVE VM60-150
SIEMENS SIMODRIVE 6SN1130-1AA11-0DA0
FANUC CONTROLLER CARD A16BD
INDRAMAT PERMANENT MAGNET MOTOR MDD093B-N-030-N2L-110CB1
CUTLER HAMMER POWER CONVERSION EQUIPMENT SV9030AS-6M0B00
ALLEN BRADLEY DRIVE 1336VT-B060-EOS-L3 REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7080-5AF71-1EB0
FANUC POWER SUPPLY A06B-6077-H111
SANYO DENKI SERVO MOTOR 69BM014CBRY1 (ENCODER: R05C432564 )
SERVCOS INTERFACE CARD 1C-SE-EN1-EN2-NNN-NN-S-NN-FW
FANUC AC SPINDLE SERVO UNIT A06B-6064-H313#H550
ALLEN BRADLEY MOTOR CONTROLLER 150-A24NB-ND
INDRAMAT SERVO DRIVE TDM 1.W1
INDRAMAT CONTROLLER CARD A
BALDOR INDUSTRIAL MOTOR GP7409
SIEMENS MESSADAPTER 6FC9338-1AB
ALLEN BRADLEY AXIS MODULE 1394-AM75
ALLEN BRADLEY GUARD MASTER 44OR-C23017
SIEMENS SERVOMOTOR 1FT6105-8AC71-8BA3
SIEMENS SERVO MOTOR 1FK7040-5AK71-1AA0
SIEMENS DIGITAL OUTPUT 6ES5 440-8MA21
AEG MODICON 115 VAC INPUT B805 AS-B