14
In the plant: Wiring level electrode
- continued -
Connection of level electrode
The level switch NRS 1-53 can be used in combination with the following level electrodes:
Level electrodes
NRG 10-52,
electrode with
4 rods
NRG 16-52,
electrode with
4 rods
NRG 16-4,
electrode with
1 rod
ER 50,
electrode with
4 rods
ER 56,
electrode with
4 rods
To connect the level electrode(s) use screened multi-core control cable with a min. conductor size
0.5 mm
2
, e. g. LiYCY 4 x 0.5 mm
2
, max. length: 100 m.
Wire terminal strip in accordance with the examples
Fig. 4 to 10
.
Check the connection of the screen to the central earthing point (CEP) in the control cabinet.
Attention
n
Please observe the instructions given in the installation & operating manual for the
NRG 10-52, NRG 16-52, NRG 16-4 and ER 5.-1!
n
Make sure that connecting cables leading to the level electrodes are segregated and
run separately from power cables.
Factory settings
Level switch NRS 1-53
The level switch features the following factory set default values:
n
Response sensitivity: 10 μS/cm (at 25 °C)
