Prosonic M
Endress+Hauser 13
HART, 4-wire, active
Terminals Cable cross-section: 0.5 to 2.5 mm
2
(20 to 14 AWG)
Cable entry • Cable gland: M20x1.5 (recommended cable diameter 6 to 10 mm (0.24 to 0.39 in))
• Cable entry G ½ or ½ NPT
• PROFIBUS PA M12 plug
• FOUNDATION Fieldbus 7/8" plug
Power consumption
Current consumption
(2-wire-instruments)
HART ripple 47 to 125 Hz: Vpp = 200 mV (measured at 500 Ω)
Max. noise HART 500 Hz to 10 kHz: Vrms = 2.2 mV (measured at 500 Ω)
Galvanic isolation With 4-wire devices, the evaluation electronics and mains voltage are galvanically isolated from each other.
Version
Current
consumption
Terminal voltage
minimum
Terminal voltage
maximum
2-wire HART
Standard
4 mA 14 V 36 V
20 mA 8 V 36 V
Ex ia
4 mA 14 V 30 V
20 mA 8 V 30 V
Ex d
4 mA 14 V 30 V
20 mA 11 V 30 V
Fixed current,
adjustable, e.g. for
solar power
operation
(measured value via
HART)
Standard 11 mA 10 V 36 V
Ex ia 11 mA 10 V 30 V
Fixed current for
HART multidrop
mode
Standard 4 mA
1)
1) Start-up current 11 mA
14 V 36 V
Ex ia 4 mA
1
14 V 30 V
Version Voltage max. load
DC 10.5 to 32 V 600 Ω
AC 50/60 Hz 90 to 253 V 600 Ω
Version Power consumption
2-wire 51 mW to 800 mW
4-wire AC max. 4VA
4-wire DC; FMU40/41 330 mW to 830 mW
4-wire DC; FMU42/43 600 mW to 1 W
Communication Current consumption
HART 3,6 to 22 mA
PROFIBUS PA max. 13 mA
FOUNDATION Fieldbus max. 15 mA
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