Endress+Hauser Proline Promass I 300 - Page 235

Proline Promass I 300 PROFINET Technical data
Endress+Hauser 235
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
• Mass flow
• Volume flow
• Corrected volume flow
• Density
• Reference density
• Temperature
• Totalizer 1-3
• Flow direction monitoring
• Status
• Partially filled pipe detection
• Low flow cut off
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The range of options increases if the measuring device has one or more
application packages.
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
Signal on alarm Depending on the interface, failure information is displayed as follows:
PROFINET
Device diagnostics According to "Application Layer protocol for decentralized periphery", Version 2.3
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