Technical data Proline Promag P 500 HART
182 Endress+Hauser
Maximum switching
capacity (passive)
• DC 30 V, 0.1 A
• AC 30 V, 0.5 A
Assignable functions • Off
• On
• Diagnostic behavior
• Limit value:
– Off
– Volume flow
– Mass flow
– Corrected volume flow
– Flow velocity
– Conductivity
– Corrected conductivity
– Totalizer 1-3
– Temperature
– Electronic temperature
• Flow direction monitoring
• Status
– Empty pipe detection
– Low flow cut off
User configurable input/output
One specific input or output is assigned to a user-configurable input/output (configurable
I/O) during device commissioning.
The following inputs and outputs are available for assignment:
• Choice of current output: 4 to 20 mA (active), 0/4 to 20 mA (passive)
• Pulse/frequency/switch output
• Choice of current input: 4 to 20 mA (active), 0/4 to 20 mA (passive)
• Status input
The technical values correspond to those of the inputs and outputs described in this
section.
Signal on alarm Depending on the interface, failure information is displayed as follows:
Current output 0/4 to 20 mA
4 to 20 mA
Failure mode Choose from:
• 4 to 20 mA in accordance with NAMUR recommendation NE 43
• 4 to 20 mA in accordance with US
• Min. value: 3.59 mA
• Max. value: 22.5 mA
• Freely definable value between: 3.59 to 22.5 mA
• Actual value
• Last valid value
0 to 20 mA
Failure mode Choose from:
• Maximum alarm: 22 mA
• Freely definable value between: 0 to 20.5 mA
Pulse/frequency/switch output
Pulse output
Failure mode Choose from:
• Actual value
• No pulses
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