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          深圳市康新祥有限公司
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          您現(xiàn)在的位置： 深圳市康新祥有限公司>>研華產(chǎn)品>>ISA總線數(shù)據(jù)采集和控制卡（PCL系列）>> PCL-745S研華數(shù)據(jù)采集卡
          
  
          
      
          
          
          
              
              
          
                    
            
                      
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          PCL-745S研華數(shù)據(jù)采集卡
          
       	
            
			
          
                				    
          
					
          
						
                                                   
          
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                            PCL-745S
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            訪問次數(shù)：642更新時(shí)間：2022-03-20 08:00:21
          
				
          
					
                                              
					
           
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          產(chǎn)品簡介
          
                
          
                    
          
                                    
          
            
          
            
          
            雙端口高速RS-232/485接口卡 含2500 VDC浪涌保護(hù)和3000 VDC隔離保護(hù)
            
          
                            
          產(chǎn)品介紹
          
            
          
              
          主要特點(diǎn) 
        1. two independent rs-422/485 serial ports 
        2. 2個(gè)獨(dú)立的rs-422/rs-485串行接口 
        3. provides 3000 vdc isolation 
        4. 提供2500 vdc浪涌保護(hù) 
        5. provides 2500 vdc surge protection 
        6. 提供3000 vdc隔離保護(hù) 
        7. 16c550 uarts with on-chip 16-byte fifo 
        8. 帶16字節(jié)fifo的16c550 uart 
        9. transmission speeds up to 921.6 kbps 
        10. 傳輸速率可達(dá)921.6 kbps 
        11. i/o address and interrupt se-lectable 
        12. wide irq se-lection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15 
        13. supports 2 wire or 4 wire operation 
        14. supports tx, rx, rts, and cts signals 
        15. automatic rs-485 data flow control or rts control 
        16. termination resistors jumper enable/disable 
        17. supports standard dos com1, com2, com3, and com4 
        18. supports windows? 98/2000/xp, linux? 
        19. powerful and easy-to-use utility (icom tools) 
          20.  
            內(nèi)容介紹
          the pcl-745 series card provides two rs-422/485 serial ports.each port utilizes a 16c550 uart with an on-chip 16-byte fifo buffer for reliable, high-speed serial i/o. the uart buffer divides data into 16-byte packets before sending them onto the bus. this drastically reduces the cpu load and avoids data loss due to failure to respond to the interrupt request in time. the uart is especially useful for high speed serial i/o under windows. the pcl-745s card differs from the pcl-743s card in that the former uses on-board optical isolators to protect your pc and equipment against damages from ground loops, increasing system reliability in harsh environments. to further increase reliability, the pcl-745s offers surge protection technology, protecting your system from abrupt high voltage surges (up to 2500 v) such as those caused by lightning.

            訂購信息
            產(chǎn)品序號檔案描述
            pcl-745s-b 2-port rs-422/485 isa comm card w/s&i
          
            
          
        
          
        
      
          
      
          
    
          
  
          
  
          
        
          

		 







  
    
    				
			

		
    
    
    
    
    
    
    
    
    
    

    

     
     
     
	 



	
	
	


          
	
          
		
          
			
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