621-4500霍尼韦尔621-4500

621-4500
621-4500
621-4500

中央处理单元（CPU）是PLC 的控制中枢。它按照PLC系统程序赋予的功能，接受并存储从编程器键入的用户程序和数据，检查电源、存储器、I/O以及警戒定时器的状态，并能检查用户程序的语法错误。当PLC投入运行时，首先它以扫描的方式接受现场各输入装置的状态和数据，并分别存入I/O映象区, 然后从用户程序存储器中逐条读取用户程序，经过命令解释后按指令的规定执行逻辑或算术运算等任务。并将逻辑或算术运算等结果送入I/O映象区或数据寄存器内。等所有的用户程序执行完毕以后，后将I/O映象区的各输出状态或输出寄存器内的数据传送到相应的输出装置，如此循环运行，直到停止运行为止。

FANUC IC693CMM311N  CONTROL MODULE

ALLEN BRADLEY 1791-16BC I/O BLOCK SER. B INPUT VOLTAGE

OKANE INDUSTRIAL 1V-U PC BOARD CONTROLLER RMI-124

DYNAPAR H231000144423 ENCODER 10MM SFT 5-26V 7PN CONN

ASCO 8266C85 SOLENOID VALVE 1/2'' PIPE, 15.4 WATTS,

NUMATICS A12BB600RT61E61 125 UNIT 4 PIN MICRO CONN. NEW

TC BOARD ASSY 640324

GENERAL ELECTRIC 3S7505KF124A1 PHOTOELECTRIC CONTROL

EMERSON PCM-11 POSITIONING SERVO DRIVE P/N: 960158-01

RAPID POWER TECHNOLOGIES A9-9836 BOARD A99836 0/12VDC=4

MTS GPS0500MD601V0 TEMPOSONICS G-SERIES SENSOR

SQUARE D 9007CR53B2 LIMIT SWITCH 9007-CR53B2 SER. A

EAGLE SIGNAL HZ171A6 ELECTRIC RESET COUNTER

ALLEN BRADLEY 2760-RB FLEXIBLE INTERFACE MODULE SER. A

ALLEN BRADLEY 2760-RB/A FLEXIBLE INTERFACE MODULE SER.

EUCHNER TZ1LE024MVAB SWITCH USED W/OUT COVER

PAYNE ENGINEERING 11C-4-3HP SOLID STATE CONTACTOR

ALLEN BRADLEY 2760-RB FLEXIBLE INTERFACE MODULE SER. A

ALLEN BRADLEY 50387-002 REV. 02 MODULATOR LOGIC BOARD

TEXAS ELECTRONICS TD-1004 T-5027-284

DYNAPAR DANAHER HC62550000001 ENCODER 3/8" SHAFT SFT

SIEMENS 6FC3984-7CL38 820-880 REPLACEMENT KEYBOARD PART

HOFMANN A800.009 REV. C CONTROL BOARD

BALLUFF BNS-542-2D-12-7?2-FD-R2 LIMIT SWITCH 240V AC

BALLUFF BNS-542-3D-12-7?2-FD-R3 LIMIT SWITCH 240V AC

ALLEN BRADLEY 1747-L20A SLC 500 PROCESSOR UNIT 1747L20A

ASAHI 1609-020 CPVC/EPDM TU B VLV 2" SXT 230PSI 1609020

SQUARE D 8030-HIM-101 SER C INPUT MODULE 8030HIM101

OILDYNE 626349 FLOW CONTROL VALVE OF2-MHPW-50H-1-?15 NIB

GE FANUC IC600BF800K I/O RECEIVER LOCAL MODULE FACT

CHALLENGE MACHINERY EE-2253-2 KEYBOARD EE22532 REV. A

GE FANUC IC697BEM711M BUS RECEIVER MODULE 44A730231-G01