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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-746+研華數(shù)據(jù)采集卡
          
  
          
      
          
          
          
              
              
          
                    
            
                      
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          PCL-746+研華數(shù)據(jù)采集卡
          
       	
            
			
          
                				    
          
					
          
						
                                                   
          
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                            PCL-746+
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            訪問(wèn)次數(shù)：621更新時(shí)間：2022-03-20 08:00:21
          
				
          
					
                                              
					
           
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          產(chǎn)品簡(jiǎn)介
          
                
          
                    
          
                                    
          
            
          
            
          
            4端口RS-232/RS-422/RS-485通訊卡
            
          
                            
          產(chǎn)品介紹
          
            
          
              
          主要特點(diǎn) 
        1. rs-485模式下的自動(dòng)數(shù)據(jù)流控制 
        2. four independent rs-232/422/485 serial ports 
        3. 4個(gè)獨(dú)立的rs-232/422/485串行端口 
        4. speeds up to 115.2 kbps 
        5. 傳輸速率可達(dá)115.2 kbps 
        6. interrupts (jumper se-lectable): 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15 
        7. 中斷（跳線選擇）：3, 4, 5, 7, 9, 10, 11, 12 或 15 
        8. onboard interrupt status register for greater throughput 
        9. 支持更高數(shù)據(jù)吞吐量的中斷狀態(tài)寄存器 
        10. automatic data flow control in rs-485 mode 
        11. rs-422 or rs-485 modes jumper se-lectable 
        12. space reserved for optional surge protection on all port lines (in rs-422/485 modes) 
        13. space reserved for termination resistors 
        14. compatible with arcnet? 4-port cards supporting sco unix/xenix 
        15. supports windows? 98/2000/xp, linux? 
        16. powerful and easy-to-use utility (icom tools) 
          17.  
            內(nèi)容介紹
          the pcl-746+ is a four-port serial communication interface card. the main feature of this card is that each port can be configured individually to either rs-232, rs-422, or rs-485 using on-board jumpers. the card uses 16c550 uarts and improved interrupt handling for reliable operation at transmission speeds of up to 115.2 kbps. this pcl-746+ supports two operating modes: standard mode and enhanced mode. in standard mode, each of the four ports can be set up as either the address or the irq channel individually. in enhanced mode, all four ports can be set to share the same irq. when an onboard interrupt occurs, the interrupt status register indicates which port has generated it. the shared interrupt can be set to most common (extended) at interrupts. this simplifies programming, speeds up interrupt processing, and frees up interrupts for other devices.

            訂購(gòu)信息
            產(chǎn)品序號(hào)檔案描述
            pcl-746+-b 4-port rs-232/422/485 isa comm card w/db25
            pcl-746+/9-b 4-port rs-232/422/485 isa comm card w/db9
          
            
          
        
          
        
      
          
      
          
    
          
  
          
  
          
        
          

		 







  
    
    				
			

		
    
    
    
    
    
    
    
    
    
    

    

     
     
     
	 



	
	
	


          
	
          
		
          
			
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