Levelflex FMP53
Endress+Hauser 25
Connection examples for the switch output
For HART devices, the switch output is available as an option.
A0015909
16 Connection of a relay
A0015910
17 Connection to a digital input
1 Pull-up resistor
2 Digital input
For optimum interference immunity we recommend to connect an external resistor (internal
resistance of the relay or pull-up resistor) of < 1 000 Ω.