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    NPEXA-C271
    

              
            
    
            
    
              
    
                Temperature input isolated barrier, it converts the thermal resistance signals from a hazardous area into 1:1 resistance and 4~20mA signals to a safe area by isolation. It needs an independent power supply. The input, output, and power supply are galvanically isolated from each other. Calibrate the apparatus or modify parameters by using a handheld programmer.              
    
              
    
                                    
                                    
                                
    
                                      
    
                      
    Input signal
    
                      
    
                                                      
                                              
    

                    
    
                                      
    
                      
    Output signal
    
                      
    
                                                      
                                                      
                                              
    

                    
    
                                      
    
                      
    Channels
    
                      
    
                                                      
                                              
    

                    
    
                                      
    
                      
    Power Supply Mode
    
                      
    
                                                      
                                              
    

                    
    
                  


                
    
              
    
              
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    NPEXA-C271
    
        
        
      
    
      
      
    
        
                  
    
            
    【Core technology】
    安全柵C.png.jpg
    【Installation and disposal】


    C系列注塑外殼安裝.gifC系列注塑外殼拆卸.gif
                                        
    Installation                                               Disposal  





              
    
                
        
    
          
          
    
                                              
    
                    
    Supply
    
                    
    
                      
                      
                        
    
                          Power supply
                          18 ~ 60 V DC
                        
    
                                          
    
                  
    
                                                              
    
                    
    Input
    
                    
    
                      
                      
                        
    
                          Input signal
                          Pt100, Cu100, Cu50, BA1, BA2, etc.
                        
    
                      
                        
    
                          Line resistance
                          ≤ 20 Ω per line 
                        
    
                                          
    
                  
    
                                                              
    
                    
    Output
    
                    
    
                      
                      
                        
    
                          Output signal
                          Output1: 1:1 resistance；Output2: 4 ~ 20mA
                        
    
                      
                        
    
                          Exciting current
                          0.1 ~ 10 mA
                        
    
                      
                        
    
                          Load resistance
                          Output2: RL ≤ 550 Ω
                        
    
                                          
    
                  
    
                                                              
    
                    
    Transfer characterisics
    
                    
    
                      
                      
                        
    
                          Conversion accuracy
                          Output1: 0.5mA ~ 10mA excitation current，± 0.1%F.S. or < 0.2Ω（select max）；Output2: ＜300 ℃，±0.1 ℃；≥100 ℃，±0.1 %F.S.
                        
    
                      
                        
    
                          Temperature drift
                          30 ppm/℃
                        
    
                                          
    
                  
    
                                                              
    
                    
    General parameters
    
                    
    
                      
                      
                        
    
                          Response time
                          ≤ 500 ms
                        
    
                      
                        
    
                          Power dissipation
                          1 W
                        
    
                      
                        
    
                          Dielectric strength
                          ≥ 3000V AC (intrinsically safe side / non-intrinsically safe side); ≥ 1500V AC (Power supply /non-intrinsically safe side)
                        
    
                                          
    
                  
    
                                                              
    
                    
    EMC data
    
                    
    
                      
                      
                        
    
                          Electromagnetic compatibility
                          IEC 61326-3-1
                        
    
                      
                        
    
                          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, breakage output1 about 16Ω,breakage output2 is 0V/mA), the output follows the input within measuring range. And output1 the maximum value would not exceed the upper limit 430Ω, output2 the maximum value would not exceed the 110% of the upper limit of the measuring range.
                        
    
                                          
    
                  
    
                                                              
    
                    
    Mechanical specifications
    
                    
    
                      
                      
                        
    
                          Connection method
                          Screw connection
                        
    
                      
                        
    
                          Dimension
                          17.8mm (W) × 110mm (H) × 117mm (D)
                        
    
                      
                        
    
                          Mounting type
                          DIN35 mm
                        
    
                                          
    
                  
    
                                                              
    
                    
    Certified data
    
                    
    
                      
                      
                        
    
                          Product approvals
                          CNEX, CE, FCC, CCC
                        
    
                      
                        
    
                          Ex marking
                          [Ex ia Ga]ⅡC
                        
    
                      
                        
    
                          Um
                          250 V
                        
    
                      
                        
    
                          Uo
                          8.7 V (Terminals 1, 2, 3)
                        
    
                      
                        
    
                          Io
                          33 mA (Terminals 1, 2, 3)
                        
    
                      
                        
    
                          Po
                          72 mW (Terminals 1, 2, 3)
                        
    
                      
                        
    
                          Co
                          3.9 μF (Terminals 1, 2, 3)
                        
    
                      
                        
    
                          Lo
                          22 mH (Terminals 1, 2, 3)
                        
    
                                          
    
                  
    
                            

          
    
        
    
        
                  
    
            
    
                                
    
                    
    
                    
    
                      NPPB-DIN Bus rail power supply
                      
     35mm standard rail
    
                    
    

                  
    
                                
    
                    
    
                    
    
                      NPPB-BS210 I/O terminal base
                      
    Connect the rail BUS base, external power is introduced through the terminal block of the base. If a redundant power module is selected, this terminal can be left unselected.
    
                    
    

                  
    
                                
    
                    
    
                    
    
                      NPPB-BSC028 Dust cover
                      
    Protect the exposed bus and split the combination as needed.
    
                    
    

                  
    
                                
    
                    
    
                    
    
                      NPPB-SS5 Limiter
                      
    For fixed position, standard 2 sets
    
                    
    

                  
    
                                
    
                    
    
                    
    
                      NPPB-TS35B Fixed piece
                      
    Material: metal iron, used for rail load-bearing reinforcement, standard 2 pieces
    
                    
    

                  
    
              
            
    
          
    
        
        
                  
    
            
          
    
        
      
    

  
    

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

      
    
      
    
      
    
      
    
    
  
    


  


    
  
    
        
        
    
    
        
    
    
        
    
    
    
  
    

    









  

  


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