Endress+Hauser Proline Prowirl 73 - Page 5

Proline Prowirl 73 F, W
Endress+Hauser 5
Can be configured as:
– Frequency output (optional): Full scale frequency 0...1’000 Hz (f
max
= 1’250 Hz)
Pulse output: Pulse value and polarity can be selected,
Pulse width can be selected (0.005...10 s) Pulse frequency max. 100 Hz
– Status output: Can be configured for error messages or flow-, temperature- or pressure limit values
– Vortex frequency: Direct output of unscaled vortex pulses 0.5...2‘850 Hz
– PFM signal (pulse-frequency modulation): by external connecting with flow computer
RMC or RMC 621
PROFIBUS PA interface:
– PROFIBUS PA in accordance with EN 50170 Volume 2, IEC 61158-2 (MBP), galvanically isolated
– Current consumption = 16 mA
– FDE (Fault Disconnection Electronic) = 0 mA
– Data transmission rate: supported baudrate = 31.25 kBit/s
– Signal encoding = Manchester II
– Function blocks: 4 x Analog Input, 2 x Totalizer
– Output data: Volume flow, Mass flow, Corrected volume flow, Heat flow, Temperature,
Density, Specific enthalpy, Saturated steam pressure, Z-Factor, Vortex frequency,
Electronic temperature, Reynoldsnumber, Flow velocity, Totalizer
– Input data: Pressure, Empty pipe detection (ON/OFF), Control totalizer, Display value
– Bus address adjustable via DIP-switches at the measuring device
FOUNDATION Fieldbus interface:
– FOUNDATION Fieldbus H1, IEC 61158-2, galvanically isolated
– Current consumption = 16 mA
– Signal encoding = Manchester II
– FDE (Fault Disconnection Electronic) = 0 mA
– Data transmission rate: Supported baudrate = 31.25 kBit/s
– Function blocks: 6 x Analog Input, 1 x Discrete Output, 1 x Analog Output
– Output data: Volume flow, Mass flow, Corrected volume flow, Heat flow, Temperature,
Density, Specific Enthalpy, Saturated steam pressure, Z-Factor, Vortex frequency,
Electronic temperature, Reynoldsnumber, Flow velocity, Totalizer 1 + 2
– Input data: Pressure, Empty pipe detection (ON/OFF), Reset totalizer
– Link Master (LM) functionality is supported
Signal on alarm • Current output: error response can be selected (e.g. in accordance with NAMUR Recommendation NE 43)
• Frequency output: error response can be selected
• Status output: “not conducting” in event of fault
Load
A0001921
The grey shaded area indicates the permissible load (for HART: min. 250 Ω)
The load can be calculated as follows:
R
B
Load
U
S
Supply voltage: Non-Ex = 12...36 V DC; Ex d = 15...36 V DC; Ex i = 12...30 V DC
U
Kl
Terminal voltage: Non-Ex = min. 12 V DC; Ex d = min. 15 V DC; Ex i = min. 12 V DC
I
max
Output current (22.6 mA)
00
100 100
200 200
300 300
400 400
500 500
600 600
700 700
800 800
900 900
1000 1000
1100 1100
BB
RR
[] []
10 1020 2025 2530 3036 3615 15
18
21
W
0
100
200
300
400
500
600
700
800
900
1000
1100
B
S
R
U
V
[]
[]
10
20 25 30
15
18
W
Ex iEx i
W
Ex d
Ex
R
B
=
S
(
U–U
)
Kl
max
(I – 10 )
-3
0.022
=
S
(
U–U
)
Kl