Technical data
Proline Promag L 400 HART
126
Hauser
Assignable measured
variables
• Volume flow
• Conductivity
• Mass flow
Switch output
Switching behavior
Binary, conductive or non-conductive
Switching delay
Adjustable: 0 to 100 s
Number of switching cycles
Unlimited
Assignable functions
• Off
• On
• Diagnostic behavior
• Limit value:
– Volume flow
– Conductivity
– Mass flow
– Totalizer 1-3
• Flow direction monitoring
• Status
– Empty pipe detection
– Low flow cut off
Signal on alarm
Depending on the interface, failure information is displayed as follows:
Current output
4-20 mA
Failure mode
Selectable (as per NAMUR recommendation NE 43):
• Minimum alarm: 3.6 mA
• Maximum alarm: 22 mA
• Adjustable value: 3.59 to 22.5 mA
0-20 mA
Failure mode
Choose from:
• Maximum alarm: 22 mA
• Adjustable value: 0 to 22.5 mA
HART
Device diagnostics
Device condition can be read out via HART Command 48
Pulse/frequency/switch output
Pulse output
Failure mode
Choose from:
• Actual value
• No pulses
Frequency output
Failure mode
Choose from:
• Actual value
• Defined value: 0 to 12
500 Hz
• 0 Hz
