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
FANUC SERVOMOTOR A06B-0371-B577#7008
INDRAMAT CONTROLLER CARD B19-03
YASKAWA SERVO MOTOR SGMPH-04AAE41D
FANUC AC SERVO MOTOR A06B-0512-B504
SIEMENS SERVO MOTOR 1FK7063-5AF71-1SB2
SIEMENS SERVO MOTOR 1FT6086-1AF71-2AG1
YASKAWA SERVO PACK, SGDA-08AP
SSD SERVO DRIVE S.
INDRAMAT CONTROLLER CARD HB28-00
CINCINNARI MILACRON PANEL INTERFACE A REV GT2
SIEMENS SERVO MOTOR 1FK7083-5AF71-1EH5
EMERSON SERVO MOTOR BLM
FANUC AC SERVO MOTOR A06B-0123-B175
SIEMENS SERVO DRIVE 6SN1123-1AB00-0AA1
SIEMENS SUS WINCC COMFORT/ADVANCED SOFTWARE 1P EWK-SUS
SIEMENS SERVO MOTOR 1FT6102-1AC71-3AG1
INDRAMAT SERVO MOTOR MAC90B-0-JD-1B/110-A0/J625/S01
DIRECT LOGIC 205 MODULE D2-16TD2-2
INDRAMAT CONTROLLER CARD B06-01
CONTROL TECHNIQUE DYNAMIC BRAKING CDII DBV
YASKAWA MOTOR SGMGH-13A2A-YR23
HEIDENHAIN ENCODER ROD 426 900 01
OMRON TEMPERATURE CONTROLLER E5C2-R20J-10
SIEMENS SERVO MOTOR 1FK7100-5AF71-1TA3
FANUC PLC MODULE A03B-0819-C052
HEIDENHAIN ENCODER ROD 426.000B-1500
SIEMENS SERVO MOTOR 1FK7063-5AH71-1EB5
SIEMENS SERVO MOTOR 1FK7080-5AH71-1AB0
INDRAMAT SERVOMOTOR MAC112D-8-HD-3-C/130-A-1
SIEMENS POWER SUPPLY (NEW OPEN BOX) 6SN1145-1BA01-0BA1
ALLEN BRADLEY SERVO MOTOR 1326AB-C3E-11-A7
ABB BOARD DSQC 256A
ALLEN BRADLEY PANELVIEW 600 2711-T6C20L1
GIDDINGS & LEWIS ENCODER OUTPUT MODULE R3
BERGER LAHR SERVO MOTOR VRDM LWC
ALLEN BRADLEY 150-A24FB
ELGAR CORPORATION
LENZE MOTOR MCS06F41-SRMB0-A11N-ST5S00N-R0SU
PACIFIC SCIENTIFIC MOTOR 444T
ALLEN BRADLEY ANALOG COMBINATION I/O MODULE 1746-NIO4V SER A
SIEMENS SIMATIC S5 6ES5942-7UA12