Endress+Hauser Liquiline System CA80HA, Руководство по эксплуатации

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Operation Liquiline System CA80HA
62 Hauser
Icon Location Description
At measured value The displayed measured value is simulated (for sensors)
Header bar Controller is active
1) Only pH or ORP measurement
If two or more diagnostic messages occur simultaneously, only the icon for the message
with the highest priority is shown on the display (for the order of priority according to
NAMUR, →  152).
10.1.4 Assignment views
Assignment views, e.g. Channel assignment view , appear as the last function in many
sections of the menu. You can use this function to see which actuators or functions are
connected to an input or output. The assignments appear in hierarchical order.
10.2 General settings
10.2.1 Basic settings
Menu/Setup/General settings
Function Options Info
Temperature unit Selection
• °C
• °F
• K
Factory setting
°C
Current output range Selection
• 0..20 mA
• 4..20 mA
Factory setting
4..20 mA
In accordance with Namur NE43, the linear
range is from 3.8 to 20.5 mA (
4..20 mA ) or
from 0 to 20.5 mA ( 0..20 mA ). If the range is
exceeded or undershot, the current value stops
at the range limit and a diagnostic message
(460 or 461) is output.
Failure current 0.0 to 23.0 mA
Factory setting
22.5 mA
The function meets NAMUR NE43.
‣
Set the current value that should be output
at the current outputs in the event of an
error.

The value for Failure current should be outside the measuring range. If you decided that your Current output
range = 0..20 mA you should set an error current between 20.1 and 23 mA. If the Current output range =
4..20 mA you could also define a value < 4 mA as the error current.
The device allows an error current within the measuring range. In such instances pay attention to any effects
this may have on your process.