Proline Prosonic Flow 91
Description of device functions
Hauser
85
10.8
Group CURRENT OUTPUT
Functional description CURRENT OUTPUT
!
Note!
The functions of the CURRENT OUTPUT group are only available if the "0" value was entered in the BUS
ADDRESS function
CURRENT RANGE
Use this function to specify the current range. You can configure the current output either
in accordance with the NAMUR recommendation (max. 20.5 mA) or for a maximum
drive of 25 mA.
Options
:
OFF
4-20 mA (25 mA)
4-20 mA (25 mA) HART
4-20 mA NAMUR
4-20 mA HART NAMUR
4-20 mA US
4-20 mA HART US
Factory setting
:
4-20 mA (25 mA) HART NAMUR
Current span, operational range and signal on alarm level
a0005392
A = Work range
m
= Work range
n
= Lower signal on alarm level
o
= Upper signal on alarm level
p
= Scaled full scale value
Q = Flow
!
Note!
• If the measured value is outside the measuring range (defined in the VALUE 20 mA
function
86), a notice message is generated.
• The current output's response to faults is defined in the central FAILSAFE MODE
function
20
0
I [mA]
Q
m
n
o
p
A
4-20 mA NAMUR
4-20 mA US
4-20 mA (25 mA)
3,8 - 20,5 mA
3,5
22,6
3,9 - 20,8 mA
3,75
22,6
4 - 24 mA
2
25
4-20 mA HART NAMUR
3,8 - 20,5 mA
3,5
22,6
4-20 mA HART US
3,9 - 20,8 mA
3,75
22,6
4-20 mA (25 mA) HART
4 - 24 mA
2
25
n
o
m
OFF
4 mA
-
-
