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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-849研華數(shù)據(jù)采集卡
          
  
          
      
          
          
          
              
              
          
                    
            
                      
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          PCL-849研華數(shù)據(jù)采集卡
          
       	
            
			
          
                				    
          
					
          
						
                                                   
          
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                            PCL-849
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            訪問次數(shù)：624更新時(shí)間：2022-03-20 08:00:21
          
				
          
					
                                              
					
           
						                        聯(lián)系我們時(shí)請(qǐng)說明是智能制造網(wǎng)上看到的信息，謝謝!
                        
                    
          
                    
                          				
          
			
          
            
 
            
        
          
    
      
          
  
          
  
          
        
          
            
    
          
        
          
                        
          
                
          產(chǎn)品簡(jiǎn)介
          
                
          
                    
          
                                    
          
            
          
            
          
            4端口高速RS-232通訊卡
            
          
                            
          產(chǎn)品介紹
          
            
          
              
          主要特點(diǎn) 
        1. four independent rs-232 serial ports 
        2. 4個(gè)獨(dú)立的rs-422/485串行端口 
        3. transmission speeds up to 921.6 kbps (pcl-849a) 
        4. 傳輸速率可達(dá)921.6 kbps 
        5. independent i/o addresses, independent/shared irq settings for each of 4 serial ports 
        6. 獨(dú)立i/o地址，4個(gè)串口使用單獨(dú)或共享的irq 
        7. wide irq se-lection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15 
        8. 多個(gè)irq可供選擇：3, 4, 5, 6, 7, 9, 10, 11, 12 或 15 
        9. supports standard dos com1, com2, com3, com4 (pcl-849a/849b/849+) 
        10. 支持標(biāo)準(zhǔn)dos com1, com2, com3, com4 
        11. supports surge protection: 3000 vdc (pcl-849b/849+) 
        12. led indicators on each port indicate data flow 
        13. onboard interrupt status register for greater throughput 
        14. complete rs-232 modem-control signals 
        15. supports windows? 98/2000/xp, linux? 
        16. powerful and easy-to-use utility (icom tools) 
          17.  
            內(nèi)容介紹
          the pcl-849 series cards provide four individually configurable rs-232 serial communication ports. the pcl-849a/849b/849l has a 16c554 uart which makes serial i/o more reliable. the higher performance pcl-849+ has a 16c654 uart. by buffering data into 64-byte packets before putting it on the bus, uarts drastically reduce the cpu load. this makes the pcl-849+ especially suitable for high speed serial i/o applications under multitasking environments. the pcl-849 series cards support two operating modes, standard mode and enhanced mode. in enhanced mode, the address for all four ports can be set automatically. the pcl-849 series cards also support either shared irq or independent irq functions. when an on-board interrupt occurs, the interrupt status register (vector address) indicates which port 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.

            訂購信息
            產(chǎn)品序號(hào)檔案描述
            pcl-849+/9-a 4-port high speed rs-232 isa comm card w/db9
            pcl-849a/9-a 4-port rs-232 isa comm card w/s&db9
            pcl-849b/9-a 4-port rs-232 isa comm card w/s&db9
            opt4a 30cm male db-37 to 4x male db9 cable
            pcl-849a-a 4-port rs-232 isa comm card w/db25
            pcl-849+-a 4-port high speed rs-232 isa comm card w/db25
            pcl-849b-a 4-port rs-232 isa comm card w/s&db25
          
            
          
        
          
        
      
          
      
          
    
          
  
          
  
          
        
          

		 







  
    
    				
			

		
    
    
    
    
    
    
    
    
    
    

    

     
     
     
	 



	
	
	


          
	
          
		
          
			
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