Endress+Hauser Proline Prosonic Flow 90U Technical Information page 13

Proline Prosonic Flow 90U, 90W, 91W, 93C, 93U, 93W
Endress + Hauser
PROFIBUS PA interface:
• PROFIBUS PA in accordance with EN 50170 Volume 2, IEC 61158-2 (MBP), galvanically isolated
• Current consumption: 11 mA
• Error current FDE (Fault Disconnection Electronic): 0 mA
• Data transmission rate, supported baudrate: 31.25 kBit/s
• Signal encoding: Manchester II
• Function blocks: 3 x Analog Input (AI), 1 x Totalizer
• Output data: volume flow, sound velocity, flow velocity
• Input data: positive zero return (ON/OFF), operation control, totalizer control, zero point adjustment
control, display value
• Bus address can be set via DIP switch on device
Prosonic Flow 91
Current output:
• Galvanically isolated
< 700 Ω (for HART: R
• Active: 4 to 20 mA, R
L
• Full scale value adjustable
• Temperature coefficient: typ. 2 µA/°C, resolution: 1.5 µA
Pulse/status output:
• Galvanically isolated
• Passive: 30 V DC/250 mA
• Open collector
• Optionally configurable as:
– Pulse output: pulse value and pulse polarity selectable, max. pulse width adjustable (5 to 2000 ms),
max. pulse frequency 100 Hz
– Status output: configurable e.g. for error messages, empty pipe detection, flow direction detection,
limit value
Prosonic Flow 93
Current output:
Active/passive selectable, galvanically isolated, time constant selectable (0.05 to 100 s), full scale value
adjustable, temperature coefficient: typ. 0.005% o.r./°C; resolution: 0.5 µA
< 700 Ω (for HART: R
• Active: 0/4 to 20 mA, R
L
• Passive: 4 to 20 mA, max. 30 V DC, R
Pulse/frequency output:
Active/passive selectable, galvanically isolated
• Active: 24 V DC, 25 mA (max. 250 mA during 20 ms), R
• Passive: open collector, 30 V DC, 250 mA
• Frequency output: full scale frequency 2 to 10000 Hz (f
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), the
on/off ratio is 1:1 as of a frequency of 1 / (2 x pulse width)
Note!
The following values of the communication interfaces only apply to Prosonic Flow W (clamp-on and
Insertion) and to Prosonic Flow U (clamp-on)!
PROFIBUS PA interface for Prosonic Flow W and U:
• PROFIBUS PA in accordance with EN 50170 Volume 2, IEC 61158-2 (MBP), galvanically isolated
• Data transmission rate, supported baudrate: 31.25 kBit/s
• Current consumption: 11 mA
• Error current FDE (Fault Disconnection Electronic): 0 mA
• Signal encoding: Manchester II
• Function blocks: 8 x Analog Input (AI), 3 x 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), operation control, totalizer control, zero point adjustment
control, display value
• Bus address can be set via DIP switch on device
≥ 250 Ω)
L
≥ 250 Ω)
L
≤ 150 Ω
i
> 100 Ω
L
= 12500 Hz), 2 to 5000 Hz for EEx ia,
max
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