1756-OB32
1756-OB32
1756-OB32
PLC的CPU与通用微机的CPU一样，是PLC的核心部分，它按PLC中系统程序赋予的功能，接收并存储从编程器键入的用户程序和数据；用扫描方式查询现场输入装置的各种信号状态或数据，并存入输入过程状态寄存器或数据寄存器中；诊断电源及PLC内部电路工作状态和编程过程中的语法错误等；在PLC进入运行状态后，从存储器逐条读取用户程序，经过命令解释后，按指令规定的任务产生相应的控制信号，去启闭有关的控制电路；分时、分渠道地去执行数据的存取、传送、组合、比较和变换等动作，完成用户程序中规定的逻辑运算或算术运算等任务；根据运算结果，更新有关标志位的状态和输出状态寄存器的内容，再由输出状态寄存器的位状态或数据寄存器的有关内容实现输出控制、制表打印、数据通信等功能。以上这些都是在CPU的控制下完成的。PLC常用的CPU主要采用通用微处理器、单片机或双极型位片式微处理器。
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ABB 57298821 ULMA KB2/A KEYBOAR KEYPAD WITH KEY ALLEN B
BURKERT THERMO SWITCH 8400 444698B NIB PT100 -40/125C
LOT OF 2 DOUBLE E CORE CHUCK AIR INFLATED 508 588 8099
MSA DISPLAY 490892 SN 02669
TELEMOTIVE OUTPUT MODULE E7203-5 E72035 E7203-5
TELEMOTIVE E-7203-1 E72031 E7203-1 PCB BOARD
MURATA MURATEC MVL-RLY-151 CN8-G1023-510 MVR-R44-15
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ROSEMOUNT 3311 CURRENT TO PRESSURE TRANSDUCER 3311DS1J1
VICKERS HYDRAULIC DIRECTIONAL VALVE DG5S4 DG5S4048C
EATON DURANT COUNTER 5881-1 58811-400 118906 IN BOX
ROSEMOUNT 01151-0934-0003 1151 ***ART TRAN***ITTER ELECTR
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FANUC BOARD A16B-1210-0030 /06F A16B12100030 06F
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RODIX FEEDER CUBE FC-93H PLUS 121-8510 121-000-8510
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PTI CONTROLS 118166 REV K 50027 RV .01 EXCELLON
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METSO POWER SUPPLY MODULE PEFT 405402
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FUJI BOARD FH1047C0 47C0970171
EXCELLON ETI LTC P/F ASSEMBLY MAG/AIR P-0888 218177
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FOXBORO MAGNETIC FLOW TRAN***ITTER 8000 SERIES 8000-PA13
LOT OF 2 EDWA*** HIGH VACUUM FILTER A223-04-032 A22
DIAMOND POWER SPECIALITY COMPANY ELECTRODE 109077000A N
KOBOLD VIBRATING LEVEL SWITCH NWS NWS-5220 M12
HYDAC PRESSURE TRAN***ITTER NIB HDA 4000/ HDA 4700 4775-
SOLARTRON METROLOGY GAUGING TRANSDUCER P25P