Flowserve NRS 2-5 - Manual (Page 5)

5
32 way screw-type connector
Fixing screw
19" Slide-in unit to DIN 41495
LED
MALFUNCTION IN ELECTRODE
LED
MALFUNCTION IN SUPPLY CABLE
LED
LOW LEVEL ALARM
LED
OPERATION
Switching contact
ALARM
(optocoupler)
Switching contact
MALFUNCTION
(optocoupler)
Switching contact
ALARM
(relay)
Switching contact
MALFUNCTION
(relay)
Example of two low-level switches (redundancy)
Level electrode NRG 211
Test loop
Key
5
6
7
9
10
A
B
C
4
8
1
2
3
11