PLC是微机技术与传统的继电接触控制技术相结合的产物，它克服了继电接触控制系统中的机械触点的接线复杂、可靠性低、功耗高、通用性和灵活性差的缺点，充分利用了微处理器的优点，又照顾到现场电气操作维修人员的技能与习惯，特别是PLC的程序编制，不需要专门的计算机编程语言知识，而是采用了一套以继电器梯形图为基础的简单指令形式，使用户程序编制形象、直观、方便易学；调试与查错也都很方便。用户在购到所需的PLC后，只需按说明书的提示，做少量的接线和简易的用户程序编制工作，就可灵活方便地将PLC应用于生产实践。
SIEMENS SERVO MOTOR 1FK7100-5AF71-1TH3
PARKER SERVO MOTOR MPC
MITSUBISHI SERVO MOTOR HA103C
FANUC BOARD A20BB
SIEMENS SERVO MOTOR 1FT6064-1AF71-2EG1
ALLEN BRADLEY COMMUNICATION MODULE 1771-DB
GETTYS DC MOTOR
FANUC BOARD A16BA
SIEMENS SINAMICS 1P 6SL3120-1TE23-0AA1
YASKAWA ELECTRIC SERVOMOTOR SGMD-22AWA-YR13
YASKAWA ELECTRIC SERVO MOTOR SGMP-02A314T
INDRAMAT AC SERVO CONTROLLER DDS02.1-A100-D
BL SUPER AC SERVO MOTOR P50B08050DBS31
OMRON SAFETY LIGHT CURTAIN AS IT IS F3SN-A0757P25-D
CONTROL TECHNIQUE DRIVE MD
ALLEN BRADLEY PANELVIEW PLUS LOGIC MODULE 2711P-RP
ALLEN BRADLEY ADJUSTABLE FREQUENCY AC DRIVE 1333-AAA SER B
GPD 333 MAGNETEK DRIVE DS042
SIEMENS SERVO MOTOR 1FK7080-5AF71-1EH3
WOOD MICRODRIVE EF1C40030B
ALLEN BRADLEY DRIVE 1336VT-B060-EOS-L2 REPAIR SERVICE
INDRAMAT CONTROLLER CARD B14-09
FANUC AC SERVO MOTOR A06B-0127-B175
GOULD MODICON INPUT MODULE B351
SIEMENS CONTROLLER CARD 6FC5357-0BB34-0AE0
ALLEN BRADLEY DRIVE 1336VT-B015-EAN-L3
BINAR ELECTRONIK COMMUNICATION MODULE BICOM2
ALLEN BRADLEY DRIVE 1370AR-BOA74-E REPAIR SERVICE
EMERSON SERVO DXA-8300 DRIVE
SIEMENS SERVO MOTOR 1FT5071-OAF01-0
KOLLMORGEN SERVO DRIVE BDS5AC-2-020
MAGNETEK DRIVE DS318
RELIANCE MINIPAK V-S DRIVE 11C59S
ALLEN BRADLEY DRIVE 1336-B030-EAF-S1
PARKER COMPUMOTOR SERVO MOTOR 510
SIEMENS CIRCUIT BOARD 65C6170-0FC00
ALLEN BRADLEY SERVO MOTOR MPL-A420P-MJ22AA
FANUC SERVO DRIVE A06B-6057-H005
BOSCH SERVO DRIVE 0 608 830 123
ABB CIRCUIT BOARD DSQC 259
INDRAMAT PERMANENT MAGNET MOTOR MKD025B-144-KGO
SIEMENS SERVO MOTOR 1FK7060-5AF71-1AB0