2
Contents
Page
Important notes
Intended use ...........................................................................................................................................4
Function ..................................................................................................................................................4
Safety information ...................................................................................................................................5
Directives and standards
VdTÜV Bulletin "Wasserstand 100" (Water Level 100) .............................................................................5
LV (Low Voltage Directive) and EMC (Electromagnetic Compatibility) ........................................................5
ATEX (Atmosphère Explosible) .................................................................................................................5
Notes on the Declaration of Conformity/Manufacturer's Declaration ..............................................5
Approval for Marine Use ..........................................................................................................................5
Technical data
NRS 2-50 / NRR 2-51 ..............................................................................................................................6
Contents of package ...............................................................................................................................7
In the control cabinet: Installing the level controller
Dimensions of the NRR 2-50 / NRR 2-51 .................................................................................................8
Key .........................................................................................................................................................8
Installation in control cabinet ...................................................................................................................8
Name plate/identification ........................................................................................................................9
In the control cabinet: Electrically connecting the level controller
Wiring diagram for level controller NRR 2-50 .........................................................................................10
Key .......................................................................................................................................................10
Wiring diagram for level controller NRR 2-51 .........................................................................................11
Key .......................................................................................................................................................11
Supply voltage connection .....................................................................................................................12
Connection of output contacts ...............................................................................................................12
Connecting the level electrode/level transmitter ....................................................................................12
Output of manipulated variable Y or connection of actual value output (optional) ...................................12
Tools .....................................................................................................................................................12
In the system:
Electrically connecting the level electrode/transmitter
Connection of level electrode/level transmitter ......................................................................................13
Factory settings
..................................................................................................................................13
Содержание NRR 2-50
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