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。
YORK STAINLESS VALVE FLOAT NIB
BOSCH PNEUMATIC CYLINDER
BOSCH SHUT-OFF VALVE NEW
GENERAL ELECTRIC DS3800NDAC1E1F BOARD
Siemens Simatic S5 6ES5 375-0LA61
PHD AVP1X21/2-R PNEUMATIC CYLINDER
TBI-BAILEY TB82EC CONDUCTIVITY TRANSMITTER
Siemens Servo Motor 1FT6102-1AC71-4EG1
BUSSMANN CH60J3 FUSE HOLDER WITH JDL35FUSES
TRIANGLE PACKAGE MACHINERY 90WB8011AA INTERFACE BOARD
Siemens 6FX1124-6AA02
Siemens Servo Motor 1FK7042-5AF71-1SA0
Siemens 6FX4002-2CA34-1AE0
WARNER ELECTRIC MCS-651 PHOTO ELECTRIC SCANNER NEW MCS651
Siemens Drive board E89110-B2320-L1
Siemens Simatic S5 6ES5 101-8UX11
Siemens Servo Motor 1FT5024-0AF01-1
SIEMENS P
PARKER 1.50BFDSRM02.0 PNEUMATIC CYLINDER
SQUARE D POWER INTERFACE BOARD
Siemens Drives 6ES5 242-1AA32
GENERAL ELECTRIC TYPE EJ-1 FUSE NIB
RELIANCE 76624-P AUXILIARY CONTACT NEW 76624P
Siemens 8WD4308-0AA
NUMATICS I12BB400M SOLENOID VALVE
Siemens Simodrive 6RB2160-0FB00
Siemens Simatic S5 6ES5 340-3KB41
Siemens Micromaster 6SE6420-2UD24-0BA0
GENERAL ELECTRIC DS3800HSDD1D1E BOARD
Siemens SIMOVERT MASTERDRIVES 6SE7012-0TP60-Z
GENERAL ELECTRIC 393B257G214 COIL NEW
NORGREN MANIFOLD ASSEMBLY NIB 432851
Siemens 3RK1200-0CE02-0AA2
GENERAL ELECTRIC AA942B279BYG03
Siemens Servo Motor 1FT5076-0AC01-1-Z G45 K83 Milacron
Siemens Simovert Masterdrives 6SE7090-0XX84-0FB0
P&H 479Z1-D4 CONTACTOR 479Z1D4
Siemens Simodrive 6SC6130-0FE00
ALLEN BRADLEY 1771-OP OUTPUT MODULE NIB SEALED 1771OP
ALLEN BRADLEY 808-E1 SPEED SWITCH NEW 808E1
GENERAL ELECTRIC TJKMOMA1 MOTOR OPERATOR
Siemens Servo Motor 1FT6102-1AC71-4EG1