19
NRR 2-60 - Installation & Operating Manual -
819693-00
Wiring diagram for NRR 2-60 level controller as 3-component regulator
Fig. 8
27
16 17 18 19 20 21 22 23 24 25 26
28 29 30
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
24
V DC
4-20 mA
+
CH
CL
S
120 Ω
–
M 0,5
A
+
–
4-20 mA
+
–
4-20 mA
+
–
0 - 1K
Ω
–
+
MIN alarm
relay output
3 s
MIN
Relay outputs
for valve control
CLOSED
OPEN
MAX alarm
relay output
3 s
MAX
Option
CAN bus
CH = CAN High
CL = CAN Low
S = Shield
Supply voltage
On-site fuse
M 0.5 A
Actual value output
Indication of valve position
potentiometer (0-1000
W
)
Analogue input 2:
Feedwater flowrate (option)
Analogue input 3:
Steam quantity
(option)
M