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 INPUT/OUTPUT CARD
INDRAMAT SERVOMOTOR MDD071C-N-060-N2S-095GA0
SIEMENS BRUSHLESS SERVO MOTOR,1FT6086-8AH71-4AG1
YASKAWA SERVO DRIVE SGDH-08AE-S
SIEMENS SERVOMOTOR 1FT5076-0AF71-1-Z
SIEMENS SERVO MOTOR 1FK7083-5AH71-1EA5
PACIFIC SCIENTIFIC SERVO DRIVE
HENGSTLER ENCODER
SAUTER TEST CONTROL CASE EK414
SAFTRONICS ADJUSTABLE FREQUENCY AC DRIVE CIMR-G3022P2
SIEMENS MASTERDRIVE VC 6SE7021-3TP60
LAFERT SERVOMOTOR AMH132MZA4
ALLEN BRADLEY DRIVE 1336F-BX060-AX-EN REPAIR SERVICE
SEW OPERATOR PANEL FBG31C-01
MODICON MODBUS PLUS NETWORK ADAPTER PCB SREV A2
UNICO 2400 PERFORMANCE AC DRIVEECL 5
SIEMENS SERVO MOTOR 1FK7083-5AH71-1GB0
INDRAMAT DIGITAL AC SERVO COMPACT CONTROLLER DKS01.1-W100A-DA01-01-FW
SIEMENS FAN 2CW6144-8
KOLLMORGEN ENCODER 00-JR
FIJI FVR.C11 FVRO.75C11S-2FN
SIEMENS SUS STEP 7 PROFESSIONAL SOFTWARE 1P EWK-SUS
CONTROL TECHNIQUES
ALLEN BRADLEY DRIVE 1370AR-BOA71-E REPAIR SERVICE
FUJI ELECTRIC DRIVE FRN018G3-4ZU
FANUC SERVO MOTOR A06B-0106-B178
SIEMENS SERVO MOTOR 1FT6064-1AH71-1AH1
ALLEN BRADLEY SERVO MOTOR MPL-B330P-MJ22AA
ALLEN BRADLEY BULLETIN AC SERVO MOTOR 1326AB-B740C-2-MK7L
FANUC PLC BASE UNIT A03B-0819-C001
SIEMENS SERVO MOTOR 1FK7060-5AF71-1GA2
ALLEN BRADLEY PANELVIEW 2711-K9C9
Fanuc A06B-6120-H018 Power Supply
ALLEN BRADLEY 2711E-T14C6 Panelview
FANUC CONTROLLER CARD A16BB
SIEMENS SERVO MOTOR 1FK7103-5AF71-1GH0
FANUC ROBOT CONTROL MODULE A03B-0801-C462
AUTOSET WINTRISS LOAD ANALYZER
SIEMENS SIMODRIVE (POWER SUPPLY) 6SN1145-1AA01-0AA1
MOOG DRIVE TB-723-2A, 152D423A-1
ALLEN BRADLEY MODULEB0