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 SERVOMOTOR 1FT5044-0AF01-1-Z
ELECTROCRAFT SERVOMOTOR F-4075-Q-04-AA
FIDIA CNC M30 CONTROL RACK CHASSIS 21 SLOT
ALLEN BRADLEY DRIVE 1336VT-B060-EOS-S1 REPAIR SERVICE
ALLEN BRADLEY SLC500 DC SOURCE OCTAL OUTPUT MODULE 1746-OB16 SER D
FANUC AC SPINDLE SERVO UNIT A06B-6059-H222#H520
YASKAWA UNIT CPT10199+JANCD-MTV01+LC1-D3210
ALLEN BRADLEY SERVO DRIVE 2098-DSD-HV100-SE SER.A
SERVO MOTOR AC-SM
SIEMENS SIMODRIVE 6SN1123-1AA00-0HA1
SIEMENS SERVO MOTOR 1FK7042-5AF71-1GA3
EATON IDT
INDRAMAT SERVOMOTOR 2AD100B-B050B1/AS01/S01
GROUPE SCHNEIDER DRIVE ATV-66D64-N4 REPAIR SERVICE
MCBROOM ELECTRIC MOTOR TTA
BANNER EMERGENCY STOP SWITCH ES-FA-9AA
SIEMENS SINUMERIK 820 M PANELVIEW 6FC3531-0AA-Z
FANUC AC SERVO MOTOR A06B-0123-B075#0075
ALLEN BRADLEY SERVO MOTOR 1326AB-C2E-11
SIEMENS SERVO MOTOR 1FK7101-5AF71-1TH5
ALLEN BRADLEY DRIVE 1336VT-B010-EAN-L3
SIEMENS SERVO MOTOR 1FK7101-5AF71-1AG2
MTS DRIVE MPA
KOLLMORGEN POWER SUPPLY PSR4/5A-112
GE RCA AMPLIFIER BOARD DS3800HAFA-1D1E REPAIR SERVICE
ALLEN BRADLEY RELAY 815-D0V4
VOGEL AC MOTOR 3-DM7
SIEMENS SERVO MOTOR 1FK7080-5AH71-1AH2
SIEMENS SERVO MOTOR 1FK7080-5AF71-1GH3
SIEMENS LINE FILTER 6SL3000-0BE21-6AA0
ALLEN BRADLEY DRIVE 1336-B025-EJF-RP2
SIEMENS SERVO MOTOR 1FK7042-5AF71-1GH0
ALLEN BRADLEY DRIVE 1336VT-B050-EAS-FA REPAIR SERVICE
ALLEN BRADLEY DRIVE 1336-B030-EAF-L3
INDRAMAT SERVO MOTOR MAC112D-0-ED-4-C/130-A-2/W1520LX/S018
ABB DRIVE DSQC346A, 3HABE
SIEMENS SERVO MOTOR 1FK7080-5AF71-1SA3
SIEMENS DC MOTOR,GG5114-0FF49-4TV1-Z
ALLEN BRADLEY DRIVE 1336VT-B020-EAP-S1
TRANSFORMER 3 PHASE
ABB TEACH PENDANT 3HAB5386-1