GESTRA NRS 2-50, Оригинальное руководство по установке и эксплуатации

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11 NRS 2-50, NRS 2-51 - Installation & Operating Manual -
819179-05
In the control cabinet: Wiring the level switch
Wiring diagram for level switch NRS 2-50
5
Supply voltage connection
24 V DC
with 0.5A semi-delay fuse provided on site
6
Level electrode NRG 21-..; NRG 26-21.
Max. three NRS/NRR 2-5.. units can be connected (connection in parallel).
7
Level transmitter NRGT 26-., 4-20 mA, with shield connection in terminal box.
Max. three NRS/NRR 2-5.. units can be connected (series connection).
8
Central earthing point (CEP) in control cabinet
9
MIN output contact, off delay 3 seconds
0
MAX output contact, off delay 3 seconds
a
Actual value output 4-20 mA
Key
NRS 2-50
0.5A
(semi-
delay)
5 7
8
0 9
6
Fig. 3
9 0
8
MIN MIN MAX MAX
0.5A
(semi-
delay)
5 a a