Endress+Hauser Proline Prosonic Flow 93C Description Of Device Functions page 38

6 Block OUTPUTS
38
OUTPUTS → CURRENT OUTPUT 1 → CONFIGURATION
CURRENT SPAN Use this function to define the current span. The selection specifies the operational range
(4001) and the lower and upper signal on alarm.
Options:
0–20 mA (25 mA)
4–20 mA (25 mA)
0–20 mA
4–20 mA
4–20 mA NAMUR
4–20 mA US
Factory setting:
4–20 mA NAMUR
!
When switching the hardware from an active (factory setting) to a passive output signal
select a current span of 4–20 mA, (see Operating Instructions)
Current span, operational range and signal on alarm level
a
1
2
3
!
• If the measured value exceeds the measuring range (as defined in the functions
• In case of a fault the behavior of the current output is according to the selected option
Device functions Proline Prosonic Flow 93C PROFIBUS DP/PA
Functional description
(only with PROFIBUS DP)
Note!
2 1
a 1
0-20 mA (25 mA) 0 - 24 mA
4-20 mA (25 mA) 4 - 24 mA
0-20 mA 0 - 20.5 mA
4-20 mA 4 - 20.5 mA
4-20 mA NAMUR
3.8 - 20.5 mA
4-20 mA US
3.9 - 20.8 mA
Current span
Operational range (measuring information)
Lower signal on alarm level
Upper signal on alarm level
Note!
VALUE 0_4 mA (4002) and VALUE 20 mA (4003), a notice message is generated
(#351–354, current range).
in the FAILSAFE MODE function (4006).
3
I[mA]
2 3
0 25
2 25
0 22
2 22
3.5 22.6
3.75 22.6
Endress+Hauser
A0002959