Endress+Hauser Proline Promass P 300 - Page 14

Proline Promass P 300
14 Endress+Hauser
Current consumption 10 mA
Permitted supply voltage 9 to 32 V
Bus connection With integrated reverse polarity protection
Modbus RS485
Physical interface RS485 in accordance with EIA/TIA-485 standard
Terminating resistor Integrated, can be activated via DIP switches
Current output 0/4 to 20 mA
Current output 0/4 to 20 mA
Maximum output values 22.5 mA
Current span Can be set to:
• 4 to 20 mA (active)
• 0/4 to 20 mA (passive)

Ex-i, passive
Open-circuit voltage DC 28.8 V (active)
Maximum input voltage DC 30 V (passive)
Load 0 to 700 Ω
Resolution 0.38 µA
Damping Adjustable: 0.07 to 999 s
Assignable measured
variables
• Mass flow
• Volume flow
• Corrected volume flow
• Density
• Reference density
• Temperature
• Electronic temperature
• Oscillation frequency 0
• Oscillation damping 0
• Signal asymmetry
• Exciter current 0

The range of options increases if the measuring device has one or more
application packages.
Pulse/frequency/switch output
Function Can be set to pulse, frequency or switch output
Version Open collector
Can be set to:
• Active
• Passive

Ex-i, passive
Maximum input values DC 30 V, 250 mA (passive)
Open-circuit voltage DC 28.8 V (active)
Voltage drop For 22.5 mA: ≤ DC 2 V
Pulse output
Maximum input values DC 30 V, 250 mA (passive)
Maximum output current 22.5 mA (active)