代PLC不仅有逻辑运算、计时、计数、顺序控制等功能，还具有数字和模拟量的输入输出、功率驱动、通信、人机对话、自检、记录显示等功能。既可控制一台生产机械、一条生产线，又可控制一个生产过程
目前，大多数PLC仍采用继电控制形式的“梯形图编程方式”。既继承了传统控制线路的清晰直观，又考虑到大多数工厂企业电气技术人员的读图习惯及编程水平，所以非常容易接受和掌握。梯形图语言的编程元件的符号和表达方式与继电器控制电路原理图相当接近。通过阅读PLC的用户手册或短期培训，电气技术人员和技术工很快就能学会用梯形图编制控制程序。同时还提供了功能图、语句表等编程语言
SIEMENS SERVO MOTOR 1FK7032-5AK71-1TA3
SIEMENS SIMATIC S5 6ES5 924-3SA12
INDRAMAT CONTROLLER CARD B04-00
NEMATRON PLC WORK STATION IWS-120
ALLEN BRADLEY POWER SUPPLY CHASSIS 1771-PSC
MITSUBISHI SPINDLE DRIVE UNIT MDS-B-SPH-110
SIEMENS SERVO MOTOR 1FT6064-6AC71-3EA5
SIEMENS PERMANENT MAGNET MOTOR 1FT5074-0AF21-1-Z
ALLEN BRADLEY CMOS MEMORY MODULE 1771-HM3A
FANUC SERVO AMPLIFIER A06B-6058-H228
SIEMENS SERVO MOTOR 1FT6084-1AH71-3AG1
ALLEN BRADLEY CONTACTOR 100-B110N*3 SER B
SIEMENS SERVO MOTOR 1FK7101-5AF71-1EHO
INDRAMAT AC SERVO CONTROLLER DKS01.1-W100A-DL01-01-FW
SIEMENS SERVO MOTOR 1FK7080-5AH71-1SG3
SIEMENS SERVO MOTOR 1FT6062-1AH71-3EH1
STD POWER SUPPLY VL-PS100
FANUC AC SERVO MOTOR A06B-0235-B605
SIEMENS DC MOTOR 1GL5102-0EF99-6JU7-Z
ALLEN BRADLEY MICROLOGIX 1000 1761-L32BWA
FANUC REACTOR A81L
SIEMENS ANALOG INPUT
FANUC DRIVE A06B-6079-H208
ABS SUPER MOTOR 69BMO14CBRY1
FINCOR ADJUSTABLE SPEED DRIVE 2602P7
FANUC INV POWER UNIT A04B-0229-C405
ALLEN BRADLEY DRIVE 1336VT-B020-EOP-FA
SIEMENS SERVO MOTOR 1FK7083-5AF71-1AB2
BAYSIDE GEARBOX PS90-010 RATIO 10:1
PARKER DIGIPLAN BRUSHLESS SERVO DRIVE BL75B
ALLEN BRADLEY DRIVE 1388B-AV20
ALLEN BRADLEY POWER SUPPLY MODULE 1746-P1 SER A
EUROTHERM DRIVES 955-8R0007
ALLEN BRADLEY POWER SUPPLY 1775-P1 SER B
OKUMA OPUS 5000 II SVP BOARD EB
BALDOR LINE DRIVE LD3015HC-160
SIEMENS SERVO DRIVE 6SE7021-3TP50
SIEMENS SERVO MOTOR 1FK7083-5AH71-1GA3
SIEMENS SERVO MOTOR 1FK7042-5AK71-1GH5
ALLEN BRADELY BULLETIN 1336CONSTANT TORQUE 3-PHASE AC DRIVE 1336-B030-EAF-FA2-L3
BALDOR DC MOTOR MTE-2250-BCBCN