RA33 Wiring
Endress+Hauser 17
4.3 Connecting the sensors
4.3.1 Flow
Flow sensors with external power supply
a0013521
Fig. 16: Connecting a flow sensor
1 Voltage pulses or contact sensors 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 batch controller
a0014180
Fig. 17: Connecting active flow sensors
14-wire sensor
22-wire sensor