Proline Promag 55S
4
Hauser
Input
Measured variable
• Flow rate (proportional to induced voltage)
• Conductivity (without temperature compensation)
Measuring range
• Flow rate: Typical v = 0.01 to 10 m/s (0.03 to 33 ft/s) with the specified measuring accuracy
• Conductivity s = 5 to 2000
μ
/cm
not for sensors without reference electrode (Promag S with brush electrodes)
Operable flow range
Over 1000 : 1
Input signal
Status input (auxiliary input):
U = 3 to 30 V DC, Ri = 5 k
Ω
,
galvanically isolated
Configurable for: totalizer(s) reset, positive zero return, error-message reset
Current input:
active/passive selectable, galvanically isolated, full scale value adjustable, resolution: 3
μ
A,
temperature coefficient: typically 0.005% o.f.s./°C (0.003% o.f.s./°F)
• active: 4 to 20 mA, R
i
≤
150
Ω
, U
out
= 24 V DC, short-circuit proof
• passive: 0/4 to 20 mA, R
i
≤
150
Ω
, U
max
= 30 V DC
Output
Output signal
Current output:
active/passive selectable, galvanically isolated, time constant selectable (0.01 to 100 s),
full scale value adjustable, temperature coefficient: typically 0.005% o.f.s./°C (0.003 % o.f.s./°F),
resolution: 0.5
μ
A
• active: 0/4 to 20 mA, R
L
< 700
Ω
(for HART: R
L
≥
250
Ω
)
• passive: 4 to 20 mA; supply voltage V
S
: 18 to 30 V DC; R
i
≥
150
Ω
Pulse/frequency output:
active/passive selectable (Ex i version passive only), galvanically isolated
• active: 24 V DC, 25 mA (max. 250 mA over 20 ms), R
L
> 100
Ω
• passive: open collector, 30 V DC, 250 mA
• 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, pulse width configurable (0.05 to 2000 ms)
PROFIBUS PA interface:
• Transmission technology (Physical Layer): IEC 61158-2 (MBP), galvanically isolated
• Profile version 3.0
• Current consumption: 11 mA
• Permissible supply voltage: 9 to 32 V
• Bus connection with integrated reverse polarity protection
• Error current FDE (Fault Disconnection Electronic): 0 mA
• Function blocks: 2 × analog input, 3 × totalizer
• Output data: volume flow, calculated mass flow, totalizer 1 to 3
• Input data: positive zero return (ON/OFF), totalizer control, value for local display
• Cyclic data transmission compatible with previous model Promag 35S
• Bus address adjustable via miniature switches or local display (optional) at the measuring device
Содержание Proline Promag 55S
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