11 Description of device functions Prosonic Flow 92
86 Endress+Hauser
Current Range
(Output)
Use this function to define the current range. You can configure the current
output for either standard or symmetry mode.
Options:
0.8-4-20 mA – 4-20 mA – 20-4-20 mA
STANDARD:
• 0.8-4-20 mA
• 4-20 mA
The current output signal is proportional to the measured variable.
SYMMETRY:
• 20-4-20 mA
In the symmetry mode, the current output signal is independent of the direc-
tion of flow (absolute amount of the measured variable). The 20 mA value
➂
(e.g. backflow) corresponds to the mirrored 20 mA value
➁ (e.g. flow).
Caution!
If the measuring range is exceeded or undershot, the current output
responds in accordance with the parameter setting in the function “FAIL-
SAFE MODE” (see Page 87).
Factory setting:
0.8-4-20 mA
Inputs and Outputs
Q
20
4
0
➀➁
mA
F-xxxxxxx-05-xx-xx-xx-003
Q
20
0
➀➁➂
mA
4
F-xxxxxxx-05-xx-xx-xx-007
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