EngyCal RS33
Wiring
Hauser
23
5.3
Connecting the sensors
5.3.1
Flow
Flow sensors with external power supply
51
50
10
11
+
-
PFM
+
-
Y
A
B
C
+
-
A0013521
19
Connecting a flow sensor
A
Voltage pulses or contact sensors including EN 1434 Type IB, IC, ID, IE
B
Current pulses
C
0/4 to 20 mA signal
Flow sensors with power supply via the steam calculator
51
50
90
91
+
-
PFM
+
-
Y
A
B
+
-
51
50
90
91
+
-
PFM
+
-
Y
+
-
A0014180
20
Connecting active flow sensors
A
4-wire sensor
B
2-wire sensor
