Page 15 - Essailec Test Blocks
P. 15

Make before break base - Injection with ESSAILEC  RJ45 test plug
                                                                     ®











          3. Preparation: Test plugs connections
                                                                 3.2 The ESSAILEC  RJ45 test plug has
                                                                               ®
                                                                 built-in dia. 4 (1) and RJ45 test sockets (2)
                                                                 in order to simplify the test operations. They
                                                                 allow current and voltage sensors
                                                       2
                                                                 measurement (1) as well as injection to the
                                                                 protection relay (2).



                                                                                                                      2
                                                        1


          3.1 The test equipment is equipped
          with dia. 4 test plugs.








                                                          4. Test phase: Make before Break
                                                                                        When the plug is fully inserted
                                                                                        in the socket, inner mobile
                                                                                        contacts (3) are pushed down
                                                                                        by plug’s plastic leads (4) and
                                                                              3         circuits are opened. Signals are
                  3                                                      4              derived into the dia. 4 plug

               Preparation:                                                             towards the test set.
                                                                                        It is possible to perform
               Test plugs
              connections                                                               simultaneously current and
                                                                                        voltage sensors measurement.



                                                          4.1 Test phase: Measurement
          4
      Test phases
     Measurement
       Injection










                                                                                                                  1SNC169009S0201
                                                          Ex: Voltage sensors           Ex: Voltage and current
                                                          measurement                   sensors measurement




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