Endress+Hauser Liquiline CM44P - Page 123

Liquiline CM44P Operation
Endress+Hauser 123
Menu/Setup/Additional functions/Mathematical functions/MF1 to 8/Mode = Cation exchanger capacity
Function Options Info
Cond IEX input Connected conductivity
sensor
Select the conductivity sensor upstream from the
inlet of the exchanger column.
Cond IEX output Connected conductivity
sensor
Select the conductivity sensor downstream from
the outlet of the exchanger column.
Max cond at IEX output 0.0 to 99999 µS/cm
Factory setting
0.0 µS/cm
Here, enter the maximum value that the acid
conductivity may have at the outlet of the cation
exchanger.
The transmitter displays a diagnostic message if
this value is exceeded.
Flow rate type Selection
• Source value
• Fixed value
Factory setting
Source value
Source value
You have connected the measured value of a
flowmeter via a current input or a binary input.
Fixed value
Manual entry of a fixed flow rate
Flow rate Selection
• None
• Current inputs
• Binary inputs
Factory setting
None
Specify the input at which you have connected
and configured the measured value of a
flowmeter (Menu/Setup/Inputs).
Fixed value
Flow rate type = Fixed value
Free text Specify the fixed flow value which you have read
on an external flowmeter, for example.
Min flow rate 0.0 to 99999 l/h
Factory setting
0.0 l/h
Max flow rate
Mathematical function
assignment view
Overview of the configured functions
1) %0B is a variable whose value depends on the configuration. The configured value is displayed, e.g. 20%.
Formula (optional, with activation code)
With the formula editor, it is possible to calculate a new value from a maximum of 3
measured values. A wide range of mathematical and logical (Boolean) operations are
available for this purpose.
The Liquiline firmware offers you a powerful mathematics tool with the formula
editor. You are responsible for the feasibility of your formula, and therefore for the
feasibility of the result.
Symbol Operation Type of operands Type of result Example
+ Addition Numerical Numerical A+2
- Subtraction Numerical Numerical 100-B
* Multiplication Numerical Numerical A*C
Select / Division Numerical Numerical B/100
^ Power Numerical Numerical A^5
² Square Numerical Numerical A²
³ Cube Numerical Numerical B³
SIN Sine Numerical Numerical SIN(A)
COS Cosine Numerical Numerical COS(B)
EXP Exponential function e
x
Numerical Numerical EXP(A)
LN Natural logarithm Numerical Numerical LN(B)