Endress+Hauser Micropilot FMR53 - Page 38

Electrical connection Micropilot FMR53, FMR54 HART
38 Endress+Hauser
Block diagram 2-wire: 4-20 mA HART, 4-20 mA
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A0036502
 14 Block diagram 2-wire: 4-20 mA HART, 4-20 mA
1 Active barrier with power supply (e.g. RN221N); observe terminal voltage
2 HART communication resistor (≥ 250 Ω); observe maximum load
3 Connection for Commubox FXA195 or FieldXpert SFX350/SFX370 (via VIATOR Bluetooth modem)
4 Analog display device; observe maximum load
5 Cable screen; observe cable specification
6 Measuring device
7 Analog display device; observe maximum load
8 Active barrier with power supply (e.g. RN221N), current output 2; observe terminal voltage