1756-OC8 1756-OC8

发布时间:2017-10-09

1756-OC8

1756-OC8

1756-OC8

3)并联输出  通断状态完全相同的负载,可以并联后共用PLC的一个输出点(要考虑PLC输出点的负载驱动能力)。例如PLC控制的交通信灯,               

对应方向(东与西对应、南与北对应)的灯通断规律完全相同,将对应的灯并联后可以节省一半的输出点。

4)负载多功能化  一个负载实现多种用途。例如,在传统的继电控制系统中,一个指示灯只指示一种状态。在PLC控制系统中,利用PLC的软件很容易实现利用一个输出点控制指示灯的常亮和闪亮,这样就可以利用一个指示灯表示两种不同的信息,从而节省PLC的输出点。

5)某些输出信号不进入PLC  系统中某些相对独立、比较简单的部分可以考虑不用PLC来控制,直接采用继电器控制即可。

6)利用输出点扩展输出点  与利用输出点扩展输入点相似,也可以用输出点分时控制一组输出点的输出内容。例如:在输出端口上接有多位LED7段码显示器时,如果采用直接连接,所需的输出点是很多的。这时可使用图9的电路利用输出点的分时接通逐个点亮多位LED7段码显示器。

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DNS CIRCULATOR 412 200W COAT SMC 2-39-53863 INR-244-412

ONTRAK PCB, CPU 50-003-0034

APPLIED MATERIALS (AMAT) LTS, TCB, AUTOFOUCS 8028-0148

VARIAN GATE,VLVE ASSY 45709-00 VAT 08040-FA44-AAV1/0048

AMAT BRG TO KAYDON DRG 3060-90254

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AMAT INSERT, SLIT VALVE FOR BUFFER 0021-02747

MICRON MODEL SHOP RECIRCULATOR, NP 2008C

NSK CONTROLLER, SINGLE AXIS EXC20A330T00-04

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KENSINGTON PCB ARM 9200 36-4823-0005-02 9407-0748

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LAMBDA CONTROLLER, MEGASONIC AMPL 4259601

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TEL SHIELD, DEPO Y-AL D3, PO.8, P35.6 ES3D10-101190-11

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AMAT GDP, LINER, 43R HOLE, PHASE III, TRENCH-0021-39898

DISCO HI-TEC ASSY, 200MM END EFFECTOR RBT 02-15-05062

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APPLIED MATERIALS (AMAT) NF SENSOR ASSY P/N 0620-00928

AMAT TWO CHANNEL MAGNET DRIVER SPECIFICATION 0190-16633

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