Endress+Hauser Proline Promass Q 500, Руководство по эксплуатации

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Technical data Proline Promass Q 500 PROFIBUS PA
248 Hauser
Assignable measured
variables • Mass flow
• Volume flow
• Corrected volume flow
• Density
• Reference density
• Temperature
Frequency output
Maximum input values DC 30 V, 250 mA (passive)
Maximum output current 22.5 mA (active)
Open-circuit voltage DC 28.8 V (active)
Output frequency Adjustable: end value frequency 2 to 10 000 Hz (f
max
= 12 500 Hz)
Damping Adjustable: 0 to 999 s
Pulse/pause ratio 1:1
Assignable measured
variables • Mass flow
• Volume flow
• Corrected volume flow
• Density
• Reference density
• Temperature

The range of options increases if the measuring device has one or more
application packages.
Switch output
Maximum input values DC 30 V, 250 mA (passive)
Open-circuit voltage DC 28.8 V (active)
Switching behavior Binary, conductive or non-conductive
Switching delay Adjustable: 0 to 100 s
Number of switching
cycles Unlimited
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.
Relay output
Function Switch output
Version Relay output, galvanically isolated
Switching behavior Can be set to:
• NO (normally open), factory setting
• NC (normally closed)