3
Contents
– continued –
Checking switchpoint and function .......................................................................................................18
Commissioning Procedure
Page
Indicators and adjustors ........................................................................................................................19
Operation, Alarm and Test
Indication, diagnosis and remedy .................................................................................................... 19, 20
Troubleshooting
Action against high frequency interference ...........................................................................................21
Interlock and interlock deactivation .......................................................................................................21
Checking the switchpoints ....................................................................................................................21
Decommissioning / replacing level switch .............................................................................................21
Disposal................................................................................................................................................21
Further Notes
Electrical Connection
Connection of supply voltage ................................................................................................................14
Connection of level electrode ................................................................................................................14
Connection of control circuit .................................................................................................................14
Connection of logic unit (standby input).................................................................................................15
Connection for signal output .................................................................................................................15
Tools .....................................................................................................................................................15
Wiring diagram for level switch NRS 1-51 .............................................................................................16
Schematic representations of arrangements .........................................................................................17
Explanatory notes to schematic respresentations ..................................................................................17
Factory setting ......................................................................................................................................17
Basic Settings
Summary of Contents for NRS 1-51
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