Micropilot S FMR540 4 to 20 mA HART
Wiring
Hauser
27
4.2
Connecting the measuring unit
Terminal compartment
The housing features a separate terminal compartment.
L00-FMR53xxx-04-00-00-en-001
Load HART
Minimum load for HART communication: 250
Ω
Cable entry
• Cable gland: M20x1.5
• Cable entry: G½ or ½NPT, M20 (thread)
Supply voltage
DC voltage: 16 to 36 V DC
Power consumption
• max. 400 mW at 16 V
• max. 600 mW at 24 V
• max. 750 mW at 30 V
• Non-Ex: max. 900 mW at 36 V
Current consumption
Max. 25 mA (55 mA inrush current).
Communication
Terminal voltage
minimum
maximum
Power supply
Standard
U (20 mA) =
16 V
36 V
Ex
U (20 mA) =
16 V
30 V
Signal
Ex
U (4 mA) =
11.5 V
30 V
U (20 mA) =
11.5 V
30 V
1
1
2
2
3
3
4
4
5
5
power supply
signal
