Promag 50/53 W
Hauser
Measured variable
Measuring range
Operable flow range
Input signal
Output
Promag 50
Current output:
Active/passive selectable, galvanically isolated, time constant selectable
(0.01 to 100 s), full scale value selectable, temperature coefficient: typically
0.003% o.r./°F (0.005% o.r./°C); resolution: 0.5
µ
A
•
active: 0/4 to 20 mA, R
L
< 700
Ω
(HART
®
: R
L
≥
250
Ω
)
•
passive: 4 to 20 mA, max. 30 V DC, R
i
≤
150
Ω
Pulse/frequency output:
Passive, open collector, 30 V DC, 250 mA, galvanically isolated.
Frequency output: full scale frequency 2 to 1000 Hz (f
max
= 1250 Hz), on/off ratio 1:1,
pulse width max. 10 s
Pulse output: pulse value and pulse polarity selectable, max. pulse width
configurable (0.5 ms to 2 s), maximum pulse frequency selectable
PROFIBUS-PA interface
•
PROFIBUS-PA in accordance with EN 50170 Volume 2, IEC 61158-2 (MPB),
galvanically isolated
•
Current consumption: 11 mA
•
Permissible supply voltage: 9 to 32 V
•
FDE (Fault Disconnection Electronic): 0 mA
•
Data transmission rate, supported bauderate: 31.25 kBit/s
•
Signal encoding: Manchester II
•
Function blocks: 1 x Analog Input, 1 x Totalizer
•
Output data: Volume flow, Totalizer
•
Input data: Positive zero return (ON/OFF), Control totalizer, Value for local display
•
Bus address adjustable via DIP switches at the measuring device
Output signal
3
Flow rate (proportional to induced voltage)
Typically v = 0.033 to 33 ft/s (0.01 to 10 m/s) with the specified measuring accuracy
Over 1000 : 1
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
Current input (for Promag 53 only):
Active/passive selectable, galvanically isolated, full scale value selectable,
resolution: 3
µ
A
Temperature coefficient: typically 0.003% o.r./°F (0.005% o.r./°C) (o.r = of reading)
Active: 4 to 20 mA, R
i
≤
150
Ω
, U
out
= 24 VDC, short-circuit proof
Passive: 0/4 to 20 mA, R
i
≤
150
Ω
, U
max
= 30 VDC
Input
