
2NRS 1-56 - USA - Installation & Operating Manual - 850697-00
Contents
Content of this Manual........................................................................................................................ 4
Scope of supply, product package...................................................................................................... 4
How to use this Manual....................................................................................................................... 5
Illustrations and symbols used........................................................................................................... 5
Hazard symbols in this Manual........................................................................................................... 5
Types of warning ................................................................................................................................. 6
Specialist terms, abbreviations .......................................................................................................... 7
Usage for the intended purpose.......................................................................................................... 8
Applicable directives and standards................................................................................................ 9
Improper use ....................................................................................................................................... 9
Basic safety information ..................................................................................................................... 9
Required personnel qualifications.................................................................................................... 10
Notes on product liability.................................................................................................................. 10
Function ............................................................................................................................................. 10
Technical data ................................................................................................................................... 11
Rating plate, identification NRS 1-56 ............................................................................................... 13
Default factory settings..................................................................................................................... 14
Functional elements and dimensions............................................................................................... 15
Installing the NRS 1-56 level switch................................................................................................. 16
Safety information on the electrical connection.............................................................................. 16
Wiring diagram for the NRS 1-56 level switch................................................................................. 17
Electrical connection......................................................................................................................... 18
Connecting the 24V DC power supply .......................................................................................... 18
Connecting the output contacts..................................................................................................... 18
Connecting the level electrodes .................................................................................................... 18
Connection examples ........................................................................................................................ 19
Fill control - connection of various level electrodes ....................................................................... 19
Discharge control - connection of various level electrodes ............................................................ 20
Changing the equipment settings..................................................................................................... 21
Changing the sensitivity and function............................................................................................ 21
Configuring function and sensitivity .............................................................................................. 22