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
YASKAWA ELECTRIC MOTOR UGJMED-10MSF21
BAUMULLER SERVO DRIVE BUM60-VC-0A-0057
ALLEN BRADLEY SMC FLEX DRIVE 150-F85NCDD SER B
MITSUBISHI SERVO DRIVE MR-SA33
SCHNEIDER TSX QUANTUM RIO DROP 140CRA93100
EUROTHERM DRIVES 955-8R0020
ACOPOS PLUG IN ENDAT ENCODER INTERFACE MODULE 8AC123.60-1
PARKER SERVO MOTOR 606-MO-NC-M-X-S
KOLLMORGEN SERVO DRIVE SR10000-Y006
PACIFIC SCIENTIFIC SERVOMOTOR R88GSNF-TS-M2-NV-04
ALLEN BRADLEY POWER MODULE SA3100-B020-AA-LSR
INDRAMAT PERMANENT MAGNET MOTOR MKD112D-024-GG0-AN
ALLEN BRADLEY DRIVE 1336-C040-EOG-L3 REPAIR SERVICE
SIEMENS SIMATIC TI545
ALLEN BRADLEY DRIVE 1336-B015-EJE-L3
SIEMENS PERMANENT MAGNET MOTOR 1FT5076-0AC01-0-Z
ALLEN BRADLEY KINETIX 6000 SERVO DRIVE 2094-BMP5-S
MITSUBISHI FREQROL-F2 575 V SERIES DRIVE
ALLEN BRADELY BULLETIN 1336CONSTANT TORQUE 3-PHASE AC DRIVE 1336-B007-EAD-FA2
FANUC AC SERVO MOTOR A06B-0143-B675
ABB ROBITICS SERVO MOTOR PS P-LSS-4355, ART.NO- 3HAC
GOMI ELECTRIC TRANSFORMER E
SIEMENS SERVO MOTOR 1FK7080-5AH71-1GH3
DONGAN TRANSFORMER
SIEMENS MIDIMASTER VECTOR CONTROL SENSORLESS 6SE3221-1FG40
ALLEN BRADLEY FREQUENCY AC DRIVE 1333-AAB SER D+
SIEMENS SERVOMOTOR 1FT6034-1AK71-3EG1
MITSUBISHU SPINDLE MOTOR SJ-VLS11-07M
SIEMENS ENCODER 6FC9320-3KA00
ALLEN BRADLEY DRIVE 1336-C040-EJG-L2 REPAIR SERVICE
INDRAMAT DIGITAL CONTROLLER DDS02.1-W100-D
CUSTOM SERVO MOTOR MPM
SIEMENS SIMOVERT VC DRIVE 6SE7031-1FF60-Z
SIEMENS SERVOMOTOR 1FT6064-6AK71-4AA2
ALLEN BRADLEY DRIVE 1336-B025-EJF-RP2
ALLEN BRADLEY MODULE B0
ABB MODULE CIRCUIT BOARD 3HAA3573-ACA/3, DSQC 302
SIEMENS SERVO MOTOR 1FK7101-5AF71-1SH2
FANUC DRIVE A06B-6089-H204
SIEMENS SERVO MOTOR 1FK7040-5AK71-1SA0
PANASONIC AC SERVO MOTOR MDM102Q2V