IM-P402-84 AB Issue 6
4
Note on 4-20 mA loops:
Steam and water meter inputs (terminals
3 and 10) are earthed via the level probe.
Ensure any equipment connected to the
loop will operate with these terminals
grounded (earthed).
Steam meter
LC2400
Level controller LC2200
Live
Alarm
relay
Neutral
For range link see
commissioning
instructions
Range
link
Test
Control
relay
Neutral
Open
Close
Feedback
input
Feedback
potentiometer
1 000 ohms
Note:
Other actuators
may have different
connections
Capacitance
probe
IN1
IN2
IN3
Connections to
EL5600 series
actuators
For link position
and sensitivity see
Preamplifier IM
2
3
4
5
6
7
8
9
1
10
11
12
2
4
1
2
3
1
4-20 mA
current
loop
4-20 mA
input
Set point output
+
-
1
2
3
4
5
6
7
+
8
9
10
11
12
13
16
15
14
17
18
19
+
14
15
16
LC2200
Level controller
LC2400
Steam meter
Level
probe
Steam
Motorised valve
Fig. 1 Two element level control
with electric valve
Make-up water
X5
X4