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 TRANSFORMER 4AT3612-8DD40-0FA0
GEARBOX K202VG0170MQ10
BOSCH SERVO MOTOR SD-B
SIEMENS SERVO MOTOR 1FT6084-1AH71-3AH1
SIEMENS SERVO MOTOR 1FK7042-5AF71-1SB2
YASKAWA MARIO CONTROLLER CARD MARIO-U3-V1.0
BECKER VACUUM BLOWER SV7.190/1
SIEMENS SERVO MOTOR 1FT6062-1AF71-3AG1
SIEMENS CONTROL PANEL BOARD (CPU MODULE
GIDDINGS & LEWIS ENCODER OUTPUT MODULER3
AEG DC SERVO A111-3-MFH
SIEMENS SERVO MOTOR 1FK7060-5AH71-1GH0
HITACHI CONTROLLER CARD BEM
ALLEN BRADLEY DRIVE 1370AR-AOA73-E REPAIR SERVICE
ALLEN BRADLEY DRIVE 1336-B020-EOE-S1
SIEMENS SERVO MOTOR 1FK7083-5AH71-1TH5
INDRAMAT DKR DRIVE DKR02.1-W300B-BE79-01-FW
SIEMENS SERVO MOTOR 1FK7083-5AF71-1EG3
SIEMENS SERVO MOTOR 1FK7042-5AK71-1SA3
SIEMENS TRANSFORMER,4EM4700-0CB
BALDOR SERVO DRIVE TDSU
ALLEN BRADLEY POWERFLEX 70 20AD014A0AYNANNN
ABB SERVO MOTOR 3HAB4040-1
FANUC POWER SUPPLY A06B-6081-H103
FANUC AUTO BREAKER EA103A
ABB ROBOTIC SERVO MOTOR 1FT3101-5AZ21-9-Z
FANUC A06B-6087-H145 POWER SUPPLY REPAIR SERVICE ONLY***
GENERAL ELECTRIC TRANSFORMER 9T58B50G10
SIEMENS MICROMASTER 440 6SE440-2UD25-5CA1
INDRAMAT AC-MAINSPINDLE DRIVE RACLP0-W1-220
SIEMENS SERVO MOTOR 1FT6062-1AH71-4EG1
EATON IDT MODULE
ALLEN BRADLEY DRIVE 1336VT-B010-EAN-L1
ABB SERVO DRIVE UNIT 3HAC
HEIDENHAIN ENCODER ROD
ROCKWELL AUTOMATION AC DRIVE 2090-XXLF-X330B
ALLEN BRADLEY DC CONTROLLER 1387-B-B0A090-B32-SPD18266 SER B
EATON TRANSFER SWITCH MODULE RLC1SXJ20100WRU
INDRAMAT PERMANENT MAGNET SERVO MOTOR MAC112C-0-ED-1- B/130-A-0/J1250/S05
CINCINNATI MILACRON MEMORY MANAGEMENT UNITA
YASKAWA SERVO MOTOR USAFED-30-FJ12