Wiring
EngyCal
®
RH33
24
Hauser
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 (not in combination with MID approval option)
Flow sensors with power supply via the BTU meter
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
Содержание EngyCal RH33
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