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                                        CN
                                        
                
    
                
            
    
        
    
    
    

    
    
    
        
    
            

            
    
                
                
            
    
        
    

    
    

    


    
    
    
    

    


      
    
          
      
      
    

  

  
    
    
    
      
    
        
        
    
          
          
    
          
    
        
    

      
    
      
    
        
    
                      
    
              
    NPEXA-H21
    

              
            
    
            
    
              
    
                Temperature input isolated barrier, it converts the thermal resistance signals from a hazardous area into 4~20mA signals to a safe area by isolation. It needs a backplane power supply. The input, output, and power supply are galvanically isolated from each other. The self-test function is also available on this device. Calibrate the apparatus or modify parameters by using a handheld programmer.              
    
              
    
                                    
                                    
                                
    
                                      
    
                      
    Input signal
    
                      
    
                                                      
                                              
    

                    
    
                                      
    
                      
    Output signal
    
                      
    
                                                      
                                              
    

                    
    
                                      
    
                      
    Channels
    
                      
    
                                                      
                                              
    

                    
    
                                      
    
                      
    Power Supply Mode
    
                      
    
                                                      
                                              
    

                    
    
                  


                
    
              
    
              
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    NPEXA-H21
    
        
        
      
    
      
      
    
        
                  
    
            
    【Core technology】
    黃色底板安全柵.jpg
    【Installation and disposal】


    安全柵安裝.gif安全柵拆卸.gif
                                        
    Apparatus installation                            Apparatus disposal  



    底板安裝.gif底板拆卸.gif
     
    Backplan installation                                Backplan disposal  



              
    
                
        
    
          
          
    
                                              
    
                    
    Supply
    
                    
    
                      
                      
                        
    
                          Power supply
                          18 ~ 32 V DC
                        
    
                                          
    
                  
    
                                                              
    
                    
    Input
    
                    
    
                      
                      
                        
    
                          Input signal
                          Pt100, Cu100, Cu50, BA1, BA2, etc.
                        
    
                      
                        
    
                          Line resistance
                          ≤ 20 Ω per line 
                        
    
                                          
    
                  
    
                                                              
    
                    
    Output
    
                    
    
                      
                      
                        
    
                          Output signal
                          4 ~ 20 mA
                        
    
                      
                        
    
                          Load resistance
                          RL ≤ 500 Ω
                        
    
                                          
    
                  
    
                                                              
    
                    
    Transfer characterisics
    
                    
    
                      
                      
                        
    
                          Conversion accuracy-Pt100
                          -200 ℃ ~ +850 ℃/＜100 ℃，±0.1 ℃/≥100 ℃，±0.1 %F.S.
                        
    
                      
                        
    
                          Conversion accuracy-Cu50
                          -50 ℃ ~ +150 ℃/＜100 ℃，±0.1 ℃/≥100 ℃，±0.1 %F.S.
                        
    
                      
                        
    
                          Conversion accuracy-Cu100
                          -50 ℃ ~ +150 ℃/＜100 ℃，±0.1 ℃/≥100 ℃，±0.1 %F.S.
                        
    
                      
                        
    
                          Temperature drift
                          0.01%F.S./℃
                        
    
                                          
    
                  
    
                                                              
    
                    
    General parameters
    
                    
    
                      
                      
                        
    
                          Response time
                          ≤ 1 s
                        
    
                      
                        
    
                          Power dissipation
                          1.0 W
                        
    
                                          
    
                  
    
                                                              
    
                    
    EMC data
    
                    
    
                      
                      
                        
    
                          Electromagnetic compatibility
                          IEC 61326-3-1
                        
    
                      
                        
    
                          Dielectric strength
                          ≥ 2500V AC (intrinsically safe side / non-intrinsically safe side); ≥ 500V AC (Power supply /non-intrinsically safe side)
                        
    
                      
                        
    
                          Insulation resistance
                          ≥ 100 MΩ (Input /Output/Power supply)
                        
    
                                          
    
                  
    
                                                              
    
                    
    Operating conditions
    
                    
    
                      
                      
                        
    
                          Operation temperature
                          -20 ℃ ~ +60 ℃
                        
    
                      
                        
    
                          Storage temperature
                          -40 ℃ ~ +80 ℃
                        
    
                      
                        
    
                          Suitable location
                          Mounting in safe area, and connected to the intrinsic safety apparatus in hazardous area zone 0, zone 1, zone 2, ⅡA, ⅡB, ⅡC, T4 ~ T6
                        
    
                                          
    
                  
    
                                                              
    
                    
    State
    
                    
    
                      
                      
                        
    
                          Output states
                          Whatever input fault status (except breakage), the output follows the input within measuring range. And the maximum value would not exceed the 110% of the upper limit of the measuring range (e.g. When the output signal type is 0 ~ 20mA, the minimum output value may be 0mA, the maximum output value would not exceed 22mA)
                        
    
                                          
    
                  
    
                                                              
    
                    
    Mechanical specifications
    
                    
    
                      
                      
                        
    
                          Connection method
                          Screw connection
                        
    
                      
                        
    
                          Dimension
                          15.8mm (W) × 121.6mm (H) × 104.8mm (D)
                        
    
                      
                        
    
                          Mounting type
                          DIN35 mm
                        
    
                                          
    
                  
    
                                                              
    
                    
    Certified data
    
                    
    
                      
                      
                        
    
                          Product approvals
                          NEPSI, CE, FCC, CCC
                        
    
                      
                        
    
                          Ex marking
                          [Ex ia Ga]ⅡC
                        
    
                      
                        
    
                          Um
                          250 V
                        
    
                      
                        
    
                          Uo
                          7.3 V (Terminals 1, 2, 3)
                        
    
                      
                        
    
                          Io
                          27 mA (Terminals 1, 2, 3)
                        
    
                      
                        
    
                          Po
                          50 mW (Terminals 1, 2, 3)
                        
    
                      
                        
    
                          Co
                          12 μF (Terminals 1, 2, 3)
                        
    
                      
                        
    
                          Lo
                          28 mH (Terminals 1, 2, 3)
                        
    
                                          
    
                  
    
                            

          
    
        
    
        
        
        
                  
    
            
          
    
        
      
    

  
    

  
  
    
    
    
      
    
        
    
          
    
          
    
            
    
              NPEXA-C11
            
    
            
    
              
    一入一出
    
              
    熱電偶輸入安全柵
    
            
    
          
    
          
        
    

      
    
      
    
      
    
      
    
    
  
    


  


    
  
    
        
        
    
    
        
    
    
        
    
    
    
  
    

    









  

  


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