Proline Promass Q 300
16
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
– 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.
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
PROFIBUS PA
Status and alarm
messages
Diagnostics in accordance with PROFIBUS PA Profile 3.02
Error current FDE (Fault
Disconnection Electronic)
0 mA
FOUNDATION Fieldbus
Status and alarm
messages
Diagnostics in accordance with FF-891
Error current FDE (Fault
Disconnection Electronic)
0 mA
Modbus RS485
Failure mode
Choose from:
• NaN value instead of current value
• Last valid value
