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NRS 1-52 - Installation Instructions -
819176-02
Contents
Page
Important Notes
Usage for the intended purpose ...............................................................................................................4
Function ..................................................................................................................................................4
Safety note ..............................................................................................................................................4
Potentially explosive areas ......................................................................................................................5
Technical Data
NRS 1-52 ................................................................................................................................................6
Scope of supply .....................................................................................................................................7
In control cabinet: Mounting level switch
Dimensions NRS 1-5.. .............................................................................................................................8
Key .........................................................................................................................................................8
Installation in control cabinet ...................................................................................................................8
Example name plate / marking ................................................................................................................9
In control cabinet: Wiring level switch
Wiring diagram for level switch NRS 1-52 .............................................................................................10
Key .......................................................................................................................................................10
Connecting supply voltage ....................................................................................................................11
Connecting MIN/MAX output contact .....................................................................................................11
Connecting level electrode ....................................................................................................................11
Tools .....................................................................................................................................................11
In the plant: Wiring level electrode
Connecting several level electrodes .......................................................................................................12
Key .......................................................................................................................................................12
Connection of level electrode ................................................................................................................13
Factory settings
Commissioning procedure
Changing response sensitivity ...............................................................................................................14
Checking switchpoint and function ........................................................................................................15
