Flowserve NRS 2-5 User Manual
NRS 2-5
Installation Instructions 810455-00
Level Switch Type NRS 2-5
1
Wiring Diagram
24V DC
11
Fig. 1
C28
A28
A30
C30
A24
C24
10
DC
12V DC
M
C16
C18
1
NRG 211
DC
NRS 2-5
Illustrated relay position:
Alarm, malfunction
A18
32
A22
C22
A20
C20
C 8
A 10
C 12
A 2
C 4
A 6
5
6
MIN
7
8
2
Fig. 2
12V DC 12V DC
NRS 2-5 NRS 2-5
MM
C16
C18
A18
10
1
NRG 211
32
C16
C18
A18
9
Dimensions
Fig. 3
A
B
NRS2-5
128.5
MIN
B
C
30.01
(6 TE)
3
Parts Drawings
1
2
MAX 70°C
NRS2-5
%
MAX 95%
IP 10
3
4
Fig. 4
MIN
4
Key
A
32 way screw-type connector
B
Fixing screw
C
19" Slide-in unit to DIN 41495
LED MALFUNCTION IN ELECTRODE
1
LED MALFUNCTION IN SUPPLY CABLE
2
3
LED LOW LEVEL ALARM
4
LED OPERATION
5
Switching contact ALARM (optocoupler)
6
Switching contact
7
Switching contact
8
Switching contact
9
Example of two low-level switches (redundancy)
10
Level electrode NRG 211
11
Test loop
MALFUNCTION (optocoupler)
ALARM (relay)
MALFUNCTION (relay)
5
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