Endress+Hauser RMS621 - Page 17

RMS621 Wiring
Endress+Hauser 17
Flow sensor with open collector output
!
Note!
Select an appropriate dropping resistor R, so that
I
max.
= 20 mA is not exceeded.
Flow sensor with passive current output (4 to 20 mA)
Flow sensor with active current output (0/4 to 20 mA)
Flow sensor with active current output and passive
frequency output (measurement of bidirectional flow)
!
Note!
Select an appropriate dropping resistor R, so that
I
max.
= 20 mA is not exceeded.
• Item A: direction signal
•Item B: flow
Temperature sensor via temperature head transmitter
(4 to 20 mA)