9.2.1.4.2 Calculation
Off
---
Calculated channel deactivated
Table
Source
Selection of the channel from which the input data is used
Opens the screen for entering the values table (the table rows are
interpolated linearly, values outside of the defined table are extrapolated
linearly.)
Digital
Source
Selection of the channel from which the input data is used
High level
Signal recognition level
+, -, x, /
Source
Selection of the channel from which the input data is used
+, -, x, /
Source
Selection of the channel from which the input data is used
Delta
Source
Selection of the channel from which the input data is used
Time basis
Specifies the desired time unit (value/sec., value/min., ...) for the result
Offset
Offset that is added following multiplication with the "Factor" parameter.
The result is converted in to the desired time unit before the
multiplication with the "Factor" parameter.
Factor
Factor with which the result is multiplied once it has been converted into
the desired time unit. The "Offset" parameter is then added.
Note:
Additional explanation: Delta mode
Assumption: The source channel contains the meter reading of an infinite counter in m
3
. The calculated channel 1
should contain the flow rate in m
3
/s and calculated channel 2 should contain the flow rate in l/h.
Parameter
Value channel 1
Value channel 2
Basis -> mode
Delta
Delta
Basis -> unit
m
3
/s
l/h
Calculation -> time
basis
Seconds
Hours
Calculation ->
offset
0
0
Calculation ->
factor
1
1000
Required configuration
66
Rev. 01