Proline Prosonic Flow 93W
8
Hauser
Input
Measured variable
Flow velocity (transit time difference proportional to flow velocity)
Measuring range
Typically v = 0 to 15 m/s (0 to 50 ft/s)
Operable flow range
Over 150 : 1
Input signal
Status input (auxiliary input)
U = 3 to 30 V DC, R
i
= 5 k
Ω
, galvanically isolated
Configurable for:
totalizer(s) reset, measured-value suppression, error-message reset
Output
Output signal
Current output
• Galvanically isolated
• Active/passive selectable
– Active: 0/4 to 20 mA, R
L
< 700
Ω
(for HART: R
L
≥
250
Ω
)
– Passive: 4 to 20 mA, max. 30 V DC, R
i
≤
150
Ω
• Time constant selectable (0.01 to 100 s)
• Full scale value adjustable
• Temperature coefficient: typ. 0.005 % o.r./°C (o.r. = of reading)
• Resolution: 0.5
μ
A
Pulse/frequency output
• Galvanically isolated
• Active/passive selectable
– Active: 24 V DC, 25 mA (max. 250 mA during 20 ms), R
L
> 100
Ω
– Passive: open collector, 30 V DC, 250 mA
• Time constant selectable (0.05 to 100 s)
• Frequency output
– End frequency: 2 to 10000 Hz (f
max
= 12500 Hz)
– On/off ratio 1:1, pulse width max. 10 s
• Pulse output
– Pulse value and pulse polarity selectable
– Max. pulse width adjustable (0.05 to 2000 ms)
– As of a frequency of 1 / (2 × pulse width), the on/off ratio is 1:1
PROFIBUS DP interface
• PROFIBUS DP in accordance with EN 50170 Volume 2
• Profile version 3.0
• Data transmission rate: 9.6 kBaud to 12 MBaud
• Automatic data transmission rate recognition
• Signal encoding = NRZ Code
• Function blocks: 8 × Analog input (AI), 3 × Totalizer
• Output data: volume flow channel 1 or channel 2, sound velocity channel 1 or channel 2,
flow velocity channel 1 or channel 2, average volume flow, average sound velocity, average flow velocity,
volume flow sum, volume flow difference, totalizer 1 to 3
• Input data: positive zero return (ON/OFF), zero point adjustment, measuring mode, totalizer control
• Bus address adjustable via miniature switches or local display (optional) at the measuring device
• Available output combination
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