PLC之所以有生命力，在于它更加适合工业现场和市场的要求：高可靠性、强抗各种干扰的能力、编程安装使用简便、低价格长寿命。比之单片机，它的输入输出端更接近现场设备，不需添加太多的中间部件或需要更多的接口，这样节省了用户时间和成本。PLC的下端(输入端)为继电器、晶体管和晶闸管等控制部件，而上端一般是面向用户的微型计算机。人们在应用它时，可以不必进行计算机方面的专门培训，就能对可编程控制器进行操作及编程。用来完成各种各样的复杂程度不同的工业控制任务。
自1836年继电器问世，人们就开始用导线将它同开关器件巧妙地连接，构成用途各异的逻辑控制或顺序控制。至今，在PLC的编程语言——梯形图中还可以看到这些布线的影子。直到60年代末、70年代初可编程控制器问世，随着微电子技术、计算机技术和数据通信技术的飞速发展，以及微处理器的出现，PLC产品朝小型和超小型化方面进行了一次飞跃，终使早期的PLC从初的逻辑控制、顺序控制，发展成为具有逻辑判断、定时、计数、记忆和算术运算、数据处理、联网通信及PID回路调节等功能的现代PLC。
逻辑控制：PLC具有与、或、非、异或和触发器等逻辑运算功能，可以代替继电器进行开关量控制。
定时控制：它为用户提供了若干个电子定时器，用户可自行设定：接通延时、关断延时和定时脉冲等方式。
计数控制：用脉冲控制可以实现加、减计数模式，可以连接码盘进行位置检测。
顺序控制：在前道工序完成之后，就转入下一道工序，使一台PLC可作为多部步进控制器使用。
2、数据采集、存储与处理功能
3、输入/输出接口调理功能
具有A/D、D/A转换功能，通过I/O模块完成对模拟量的控制和调节。位数和精度可以根据用户要求选择。
具有温度测量接口，直接连接各种电阻或电偶。
4、通信、联网功能
ETC615991-S1111 Yaskawa PCB CONTROL CARD G5+ Drives
One-day shipping available
ETC618331-S1114 Yaskawa PCB CONTROL CARD G5 Drives F-Sp
One-day shipping available
CACR-HR02BAB12 Yaskawa Servopack drive 200V 3PHASE
ETC615018-S1042 Yaskawa Control PCB for G5 Drives
One-day shipping available
Yaskawa CIMR-7.5WS.P 10kVA Varispeed 676 Inverter Drive
Yaskawa Servo Drive SGDH-02ADA 200W CNC/ROUTER
Yaskawa Servopack SGDA-01AP SERVO MOTOR DRIVE
ETP615400 Yaskawa PCB GATE DRIVER G5 / P5 Drives 460V 0
One-day shipping available
NOS YASKAWA AC Drive CIMR-V7AM20P71
Yaskawa CACR-sr05ad1kry101 Servopack SERVO DRIVE
YASKAWA CIMR-XCBMA0P70 DRIVE 5 AMPS 115V 1 PHASE
ETC615024-S2011 Yaskawa Control PCB for P5 Drives
One-day shipping available
YASKAWA 200V CLASS INVERTER DRIVE MODEL# CIMR-P1A2025
One-day shipping available
Yaskawa CIMR-V7AU20P71 AC Drive
YASKAWA,MODEL:CIMR-V7AM40P7,GPD 315/V7,400V SPEED DRIVE
YASKAWA SERVOPACK SGD-02BP SERVO DRIVE
YASKAWA SGDH-04FE SERVO DRIVE
Yaskawa ETC615015-S1032 PCB, CONTROL, G5 Drive
One-day shipping available
Yaskawa ETP616162 PCB GATE DRIVE 460V 7.5KW Drive
One-day shipping available
Yaskawa SGDP-A5APA Servopack Drive 230V
YASKAWA GPD505V-A011 A.F. DRIVE
Yaskawa Varispeed 808SBA SBA20P4 AC Drive 0.4kW 230VAC
One-day shipping available
Yaskawa CIMR-V7AM20P7 AC Speed VFD Drive CIMRV7AM20P7
Yaskawa SGDA-A5AP Servo Drive
YASKAWA SGDG-04GT LEGEND 04 DRIVE W/ ETHERNET
Yaskawa Servopack CACR CACR-SR05AD1KRY101 Servo Drive
Yaskawa SGDM-04ADA 0-230V 400W , Servo Drive sn:90177
Yaskawa VFD 315/V7 3/4Hp 460V AC Drive CIMR-V7AM40P41
One-day shipping available
Omron Yaskawa G5 AC drive CIMR G5U20P
Yaskawa CIMR-VU4A0004FAA V1000 AC Drive NIB
New Yaskawa Current Vector Drive (ESC1081)
Magnetek Yaskawa CIMR-G3U41P5 2HP 460V AC Drive
4 Units Available
Enlarge
IDM YASKAWA AC DRIVE CIMR-P5U23P7 FROM MILLTRONICS PART
Yaskawa V1000-CIMR-VU4A0005FAA Rev.A AC Drive 3HP 480V
Expedited shipping available
Yaskawa SGDK-3030AEA 300W Servo Drive Motor Amplifier
Yaskawa SGDH-04FE 400W Servo Drive Sigma II Motor Amp
YASKAWA VARISPEED 616G2 VARIABLE SPEED DRIVE 200-230V
One-day shipping available
YASKAWA Adjust Freq Drive CIMR-PCU40P2 NEW!
USED PULLOUT YASKAWA SERVOPACK SERVO DRIVE SGDA-04AP
Yaskawa Servopack Servo Drive SGDA-04AS 30 day warranty
NOS YASKAWA AC Drive CIMR-V7CU21P54
YASKAWA GPD205-A0P2 DRIVE 1.5A
Yaskawa Servopack SGDH-01AE 200V Servo Drive Free Ship
Yaskawa GPD315/V7 Mini AC Drive CIMR-V7AM40P7
Yaskawa GPD 35/7V CIMRV7AM40P2 Mini AC Drive 460 Vac
USED PULLOUT YASKAWA SERVOPACK SERVO DRIVE SGD-02BP
ETC618960-S1010 Yaskawa PCB Control Card for P7 drives
One-day shipping available
ETP604785 Yaskawa PCB POWER BOARD V7 Drives 460V 3PH 5.
One-day shipping available
ETP604786 Yaskawa PCB POWER BOARD V7 Drives 460V 3PH 5.
One-day shipping available
ETP604783 Yaskawa PCB POWER BOARD V7 Drives 460V 3PH 5.
One-day shipping available
NOS YASKAWA AC Drive CIMR-V7AM20P41
Yaskawa Varispeed 808SBA SBA20P2 AC Drive 0.2kW 230VAC
One-day shipping available
YASKAWA SERVOPACK SGDL-02AS SERVO DRIVE
YASKAWA SERVOPACK SGDL-04AS SERVO DRIVE
ETP604495 Yaskawa PCB POWER BOARD V7 Drives 200V 3PH 5.
One-day shipping available
Yaskawa V7-4X Varispeed CIMR-V7CU20P44 AC Drive VFD
One-day shipping available
Yaskawa Magnetek CIMR-V7AM40P7 AC Drive 1HP 460V VFD
One-day shipping available
Yaskawa Electric SGDS-02A12A ServoPack 200V Servo Drive
CIMR-J7AM20P70 Yaskawa J7 GPD305 AC Drive 1HP 230V VFD
One-day shipping available
YASKAWA SGDM-08AD SERVOPACK SERVO DRIVE SGDM SGDM08AD
Yaskawa Servopack SGDA-A3BPY138 Servo Drive 100V 30W
