Proline Promag W 500
18 Endress+Hauser
Pulse/pause ratio 1:1
Assignable measured
variables
• Volume flow
• Mass flow
• Corrected volume flow
• Flow velocity
• Conductivity
• Corrected conductivity
• Temperature
• Electronic temperature
Relay output
Function Switch output
Version Relay output, galvanically isolated
Switching behavior Can be set to:
• NO (normally open), factory setting
• NC (normally closed)
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
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:
HART current output
Device diagnostics Device condition can be read out via HART Command 48
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