Page 127 - Entrelec Terminal Blocks Master Catalog
P. 127

SNK series, terminal blocks
         Marshalling cabinets application



                                                               The smart choice for process
                                                               automation


                                                               Large process automation applications typically require the
                                                               use of a large number of digital or analog signals and sensors.
                                                               Indeed, marshalling cabinets ensure an important cross wiring
                                                               function, since the incoming field signal and the channel
                                                               quantity of the I/O card of the controller (DCS, large PLC’s) is
                                                               always different. They facilitate the maintenance operations
                                                               and ease the system modifications.

                                                               SNK aligned terminal blocks offering:
                                                               SNK series now features a full set of aligned terminal blocks
                                                               matching the marshalling panels typical configurations. Fuse,
                                                               disconnect, feed-through and ground terminal blocks with
                                                               identical profile are providing compact and convenient solu-
                                                                                                                      3
                                                               tion. With only 6 mm spacing, two aligned screwless jumper
                                                               channels, central large marking as well as aligned conductor
                                                               entries, they are perfectly adapted to alternative potential
                                                               distribution while still easy to connect.




         Typical marshalling configurations

         Digital signals                                                         Analog
         Popular potential distribution via double center   Disconnect functions equipped with test   Potential distribution for analog signals.
         channel.                            points allow total isolation of circuits, ease   Ground terminal blocks allow reliable connec-
                                             circuit testing during start-up, test and mainte-  tion of cable shields to the ground sparing the
                                             nance operations.                   use of external shield bar.

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              2                                                                          4
            Load  Load  Load                     Load  Load  Load                   Load    Load    Load





                                                                                                                    1SNK161086S0201



         1  ZS4-R2             2  ZS4-SF           3  ZS4-S-R1 or ZS4-S-R2         4  ZS4-PE-R2           5  JB6-...





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