Endress+Hauser Gammapilot FMG50, Краткое руководство по эксплуатации

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Gammapilot M FMG50 Electrical connection
Hauser 21
2
3
Y
+ +
- - I
1
mA
A0028908
 2 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
4.3 Terminal assignment
+
-
3 2 1
A0038895
 3 Connection terminals and ground terminal in the connection compartment
1 Internal ground terminal (to ground the cable shield)
2 Negative terminal
3 Positive terminal
• Non-Ex: supply voltage: 16 to 35 VDC
• Ex-i: supply voltage: 16 to 30 VDC