3
NRS 1-40.1 / NRS 1-40.2 .....................................................................................................................22
Note .....................................................................................................................................................22
Start, Operation, Alarm and Test
Danger .................................................................................................................................................20
Change configuration ...................................................................................................................... 20, 21
Note .....................................................................................................................................................21
Contents
– continued –
Commissioning
Page
CAN bus ...............................................................................................................................................32
Setting the node ID ......................................................................................................................... 32, 33
Note .....................................................................................................................................................33
Danger .................................................................................................................................................33
Attention ...............................................................................................................................................33
Decommissioning .................................................................................................................................34
Disposal ...............................................................................................................................................34
Annex
Causes .................................................................................................................................................23
Note .....................................................................................................................................................23
Danger .................................................................................................................................................23
Systematic fault finding procedure for system malfunctions ........................................................... 24, 25
Fault finding list for troubleshooting system malfunctions: Limiters 1–4 ................................................26
Fault finding list for troubleshooting system malfunctions: Control unit ..................................................27
Action against high frequency interference ...........................................................................................27
Replace control unit .............................................................................................................................28
System Malfunctions
Fault finding list for level electrode NRG 1.-40 / control unit NRS 1-40.1 ...............................................29
Fault finding list for level electrode NRG 1.-41.1 / control unit NRS 1-40.1 ............................................30
Fault finding list for level electrode NRG 1.-41 / control unit NRS 1-40.2 ...............................................30
Fault finding list for temperature transmitter TRV 5-40 / control unit NRS 1-40.1 / NRS 1-40.2 .............30
Malfunctions
Check switchpoints ..............................................................................................................................28
Check Installation and Performance
Emergency operation of water level limiting system LW ........................................................................31
Attention ...............................................................................................................................................31
Emergency Operation
