Endress+Hauser Proline Prowirl 73 - Page 81

Proline Prowirl 73 Technical data
Endress+Hauser 81
Signal on alarm • Current output: failsafe mode can be selected (e.g. in accordance with NAMUR Recommendation
NE 43)
• Frequency output: failsafe mode can be selected
• Status output: "not conductive" during fault
Load
A0001921
The area marked in gray indicates the permissible load (with HART: min. 250 )
The load is calculated as follows:
A0004059
R
B
Load, load resistance
U
S
Supply voltage:
– Non-Ex = 12 to 36 V DC
– Ex-d /XP= 15 to 36 V DC
– Ex-i /IS and Ex-n = 12 to 30 V DC
U
Kl
Terminal voltage:
–Non-Ex = min. 12 V DC
–Ex-d/XP = min. 15 V DC
– Ex-i /IS and Ex-n = min. 12 V DC
I
ma
x Output current (22.6 mA)
Low flow cut off Switch points for low flow cut off can be selected as required.
Galvanic isolation All electrical connections are galvanically isolated themselves.
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 i
Exi/Exn
W
Ex d
Ex
R
B
=
(U
SKl
–U )
(I )
max
-3
– 10 0.022
=
(U
SKl
–U )