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 1FK7060-5AH71-1EH0
INDRAMAT PROGRAMMING MODULE MOD1/0X
INDRAMAT 3-PHASE INDUCTION MOTOR 2AD132C-B050A2-BS03-B2N2
ALLEN BRADLEY DRIVE 1391B-ESAA22-AQB
INDRAMAT DRIVE KDV2. REPAIR SERVICE
GIDDINGS AND LEWIS CPU INTERFACE MODULE M. R1
BALDOR SERVO MOTOR BSM90A-275AA
SIEMENS SERVO MOTOR 1FK7060-5AH71-1EH5
CONTROL TECHNIQUES DRIVE F3N5E
PARKER SERVO DRIVE C3S038V4 F10 I11 T30 M00
BECKHOFF MODULE C6320
SIEMENS SINAMICS 5 A SINGLE AXIS DRIVE 6SL3120-1TE15-0AA3
SIEMENS SERVO MOTOR IFK7063-5AF71-1AHO
ALLEN BRADLEY PROCESSOR UNIT 1747-L532 SER.E
FANUC SERVO DRIVE A06B-6078-H206#H500
ALLEN BRADLEY DIRECT COMMUNICATION MODULE 1771-DCM A
SIEMENS SERVO MOTOR 1FK7040-5AK71-1GH3
FUJI ELECTRIC CIRCUIT BREAKER EG103A
EUROTHERM DRIVES 590A
SIEMENS SINAMICS AC CHOKE 6SL3203-0CD23-5AA0
SIEMENS SERVO MOTOR 1FK7060-5AH71-1TB0
CONTROL TECHNIQUES MAXAX 100 BRUSHLESS AC SERVO DRIVE CPS
PACIFIC SCIENTIFIC MOTOR AND CONTROL DIVISION SC722A001
ALLEN BRADLEY SPINDLE MOTOR 1327AB-AFL-22-E
ELECTRO-CRAFT POSITIONING DRIVE PDM-30 PART NO:
INDRAMAT SERVOMOTOR MAC112D-0-ED-4-C/130-A-0/WI520L/S05
ALLEN BRADLEY AC SERVO MOTOR 8500-A2D-K1B
EATON CORPORATION DRIVE AF95AG0C040VLL8 REPAIR SERVICE
ALLEN BRADLEY PANELVIEW 2711-T10G20
SSD DRIVES PARVEX SERVO MOTOR NX310EAKR7001
FANUC BOARD A16BA
RELIANCE 1SU51002 ELECTRIC DRIVE SP500
INDRAMAT INDUCTION MOTOR 2AD180C-B35OB1-BS01-D2N1
SIEMENS SINUMERIK 840D, BS002 MMC 103 6FC5210-0DA20-2AA1
BALDOR SERVOMOTOR BSM 6RB5
ALLEN BRADLEY POWERFLEX 70 DRIVE 20A D 022 A 3 AYNANNN SER.A
BL SUPER AC SERVO MOTOR P50B08050DBS31
SIEMENS SERVO MOTOR 1FK7101-5AF71-1TA2
GE FANUC POWER SUPPLY MODULE IC693PWR321K
SIEMENS DC MOTOR,GH5132-0GH40-6SU7-Z
SLAUGHTER DIELECTRIC BREAKDOWN & LEAKAGE TESTER 103-2.8