Endress+Hauser Proline Promass H 300 PROFINET Operating Instructions Manual page 228

Technical data
Signal on alarm
228
Relay output
Function
Version
Switching behavior
Maximum switching
capacity (passive)
Assignable functions
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
Depending on the interface, failure information is displayed as follows:
PROFINET
Device diagnostics
Current output 0/4 to 20 mA
4 to 20 mA
Failure mode
Switch output
Relay output, galvanically isolated
Can be set to:
• NO (normally open), factory setting
• NC (normally closed)
• DC 30 V, 0.1 A
• AC 30 V, 0.5 A
• 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

The range of options increases if the measuring device has one or more
application packages.
According to "Application Layer protocol for decentralized periphery", Version 2.3
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
Proline Promass H 300 PROFINET
Endress+Hauser