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
OKUMA OPLUS 7000 MAIN BOARD EC
CINCINNATIMILACRON ESD SERVICE PART A
GOULD PERMANENT MAGNET MOTOR M331-HK04-80YL-AB
INDRAMAT DRIVE DDS02.2-W050-B
SIEMENS SERVOMOTOR 1PH6161-4CF49-Z
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GE FUJI DRIVE 6KGX1B1 REPAIR SERVICE
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ALLEN BRADLEY DRIVE 1336VT-B050-EAS-L1 REPAIR SERVICE
ALLEN BRADLEY PC BOARD ASSEMBLY REMOTE I/O OPEN 1336-GM1
SIEMENS SERVO MOTOR 1FK7083-5AH71-1EA2
APEX COMPUMOTOR SERVO DRIVE
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MITSUBISHU SPINDLE MOTOR SJ-VLS11-07M
ALLEN BRADLEY DRIVE 1336-B020-EOE-L3
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SECO DRIVE SE2302
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RELIANCE ELECTRIC SERVO MOTOR S-6300-Q-H00AA
YASKAWA SERVO PACK CACR-SR05TZ6SF-E
OKUMA BL-MOTOR BL-M0150J-20SB
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POWERMAX STEP MOTOR M22NRXA-JDF-NS-00
ALLEN BRADLEY DRIVE 1336S-B075-AE-DE4
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EMERSON DELTAV MODULE KJ3221X1-BA1
ALLEN BRADLEY PROCESSOR UNIT 1747-L511 SER.B
ALLEN BRADLEY DRIVE 1336-B020-EAE-S1
SIEMENS SIMATIC S7 6ES7361-3CA01-0AA0
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INDRAMAT 3 PHASE INDUCTION MOTOR 2AD100B-B050B1-AS03-A2N1
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FANUC CONTROLLER CARD A20BA
FANUC A06B-6066-H011 Servo Amplifier
ALLEN BRADLEY PANELVIEW 600 2711-T6C10L1 SER: A
FANUC POWER SUPPLY A06B-6115-H001
CONTROLLER CARD
FANUC CONTROL BOARD A16BC