IC3606ATCB1 THERMO CONDT.PASSIVE IC3606ATCB 继电器控制系统

6SE7036-0EF85-0EA0
6AV6642-0DA01-1AX1
2706-P42R
NI PXI-5124
6SC6140-0FE01
MVI56E-MCMR
1756-L71
1791-24AR
COR-A9/230-C6
MHD071B-061-PG0-UN
C400/A8/1/1/1/100
P0904HA
1732E-OB16M12R

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描述

传统的继电器控制系统中使用了大量的中间继电器、时间继电器。由于触点接触不良,容易出现故障。PLC用软件代替大量的中间继电器和时间继电器,仅剩下与输入和输出有关的少量硬件元件,接线可减少到继电器控制系统的十分之一到百分之一,因触点接触不良造成的故障大为减少。

PLC使用了一系列硬件和软件抗干扰措施,具有很强的抗干扰能力,平均无故障时间达到数万小时以上,可以直接用于有强烈干扰的工业生产现场,PLC大用户公认为最可靠的工业控制设备之一。

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