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 1FK7022-5AK71-1SH0
INDRAMAT AC SERVO CONTROLLER TDMW1-000
SIEMENS SERVO MOTOR 1FT6084-1AF71-4EH1
SIEMENS SERVO MOTOR 1FK7083-5AF71-1EG5
SANYO DENKI PANEL MCIK-PE
SIEMENS SERVO MOTOR 1FK7083-5AF71-1AH0
ALLEN BRADLEY DRIVE 1336-B020-EJE-RP3
YASKAWA ELECTRIC KEYPAD JVOP-160
FANUC BOARD A16BA
KOLLMORGEN PERMANENT MAGNET SERVO MOTOR AKM24D-ENMNR-00
YASKAWA SERVOPACK 400V SGDH-1ADE
AEG MODICON SERVOMOTOR
CUTLER HAMMER RELAY D15CR40
MTS SYSTEM SERVO MOTOR MPM1142RM-1257
INLAND DC SERVO MOTOR TTC
EMERSON SERVO MOTOR DXM-340W
ALLEN BRADLEY HIGH PERFORMANCE AC MOTOR 8720SM-075S6SAS1
U.S ELECTRICAL INVERTER DUTY MOTOR G39186
YASNAC TEACH PENDANT JZNC-MPP21E
ALLEN-BRADLEY OUTPUT MODULE 1771-OWNA
EUROTHERM DRIVES 955-8R0040
INDRAMAT CONTROLLER BOX BTM03.1-NA-TA-VA-TA-TA-RA-2EA
ALLEN BRADLEY 2711E-T10C6 Panelview
FANUC POWER SUPPLY MODULE IC693PWR321T
ABB INDUSTRY BRAKE MODULE ACS-BRK-C
SIEMENS SERVO MOTOR 1FK7060-5AH71-1GH0
SIEMENS SERVO MOTOR 1FK7103-5AF71-1TA3
ALLEN BRADLEY DRIVE 1336-C025-EOF-L3
FANUC SERVOMOTOR A06B-0501-B205
SIEMENS TRANSFORMER 4AM6542-8DD40-0FA0
SIEMENS SERVO MOTOR 1FK7060-5AH71-1TH0
FANUC BOARD A16BA
FANUC SERVOMOTOR A06B-0854-B392
ALLEN BRADLEY DRIVE-POWER SUPPLY/SERVO DRIVE 2094-BC0
ABB MEMORY EXPANSION MODULE 3HABDSQC 323
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INDRAMAT POWER SUPPLY RDV5
GENERAL ELECTRIC INTERFACE PANEL QPICGAE0000-A
CUSTOM SERVO MOTOR MPM893T2E
SIEMENS 3 PHASE BRUSHLESS SERVOMOTOR 1FT5076-0AC01-1-Z
AC/DC ADAPTER