21
NRR 2-50, NRR 2-51 - USA - Installation & Operating Manual -
850699-00
In the control cabinet: Electrically connecting the level controller
Wiring diagram of level controller NRR 2-50
5
Connection of supply voltage 24 V DC with 0.5A medium time-lag fuse provided by customer
6
Level transmitter NRGT 26-2, 4-20 mA, with grounding point.
Max. 3 NRS/NRR 2-5.. units can be connected (series connection).
7
Central grounding point (CGP) in control cabinet
8
Output contact for control valve actuation
9
MIN/MAX output contact, off delay 3 seconds
0
Actual value output 4-20 mA (optional)
Key
6
NRR 2-50
Fig. 6
8
9
MIN/MAX
M0.5A
(medium
time-lag)
5
0
7
