Connecting The Sensors - Endress+Hauser EngyCal RH33 Handbuch

Wiring
4.3

Connecting the sensors

4.3.1 Flow
Flow sensors with external power supply
Fig. 17: Connecting a flow sensor
1 Voltage pulses including EN 1434 Type IB, IC, ID, IE
2 Current pulses
3 0/4 to 20 mA signal (not in combination with MID approval option)
Flow sensors with power supply via the BTU meter
Fig. 18: Connecting active flow sensors
1 4-wire sensor
2 2-wire sensor
22
EngyCal® RH33
a0013521
a0014180
Endress+Hauser