Gammapilot FMG50 Electrical connection
Endress+Hauser 29
5 Electrical connection
5.1 Connection compartment
A0038877
1 Connection compartment
5.2 4 to 20 mA HART connection
Connection of the device with HART communication, power source and 4 to 20 mA display
A0028908
4 Block diagram of HART connection
1 Device with HART communication
2 HART resistor
3 Power supply
The HART communication resistor of 250 Ω in the signal line is always necessary in
the case of a low-impedance power supply.
The voltage drop to be taken into account is:
Max. 6 V for 250 Ω communication resistor