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14               ABB  ARC GUARD SYSTEM™ – TVOC-2  INSTALLATION AND MAINTENANCE GUIDE




          3.1    Introduction


          This chapter describes the functions available in the Arc
          Monitor. The chapter is divided in two parts:
          •  Overview of the Arc Monitor.
          •  Functions of the Arc Monitor.

          3.2    Overview of Arc Monitor


          The Arc Monitor consists of:
   03

                           14
                               11
                                       10                         12
                1
                                                      9

                                                                  15
                2


                            Trip
                                                                               13
                            Error






                3

                4                                           8




                                 5              6           7                                            1SFC170011M0201
                                                                                                 16

          Figure 1
          Arc Monitor overview




          Table 1  Overview of Arc Monitor
          Number  Part                             Number  Part
          1      Human Machine Interface, HMI and HMI-COM  9  Power supply
          2      Arc Monitor                       10      Solid state tripping contacts
          3      Extension module plug in area     11      Signal relays
          4      DIP switch                        12      Detector (not included with the Arc Monitor)
          5      Detector inputs                   13      Extension (option)
          6      Current Sensing Unit, CSU-2, inputs  14   Internal Relay Fault
          7      Current Sensing Unit, CSU-2, output  15   Detector (not included with the Arc Monitor)
          8      HMI external connection           16      Extension E6-S (option)
   9   10   11   12   13   14   15   16   17   18   19